T8-User-Manual - Switchgear and Switchboard Portal
Contents
1. 638 25 12 7 215 l ano 166 166 Y 166 E 17 654 654 7 6 84 7 28 z 0 67 92 140 140 140 o 067 BP di c mo 140 _ 140 o 2 4 62 5 51 E 5 51 551 NS Past TT 557 M o vollo 6 o 6 6o 9 ollooo looo DN 1 om b lo di OO OO l c O ele NE a e Qr g e oN ai Tio sro O TT II HR y o _ N i Ww s A E ma A go X II II a a O o e T 4 O00 OO l c Bo Y o ollo o o loleo ol NG 231 17 or 9 09 0 67 80 i 242 3 15 7345 9 53 284 5 11 2 Y ON LQ o 0 q IN NG co N 536 Y 21 1 A 331 Y 205 410 o 13 03 8 07 16 14 NO NON v y AA GN gt o o e 0 o o g9 i o 9 00 do 0 35 AN 0 35 TO E o T X i X X t X NG l TT Q 8S EN Nos 4 le A EA uro Sema po jo o oR e Y Y Legend D Inside edge of compartment door 2 Circuit breaker M8 fixing drilling use M8 screws 3 Insulating or metal insulated wall Fig 212. 554 110 20 gt 428 Ae 2 k y 175 50 325 E 80 Y 46 2 5 5 5 3 0 18 o YI 10 T mum mom LN 3 s o e BO OO OO Ls P Q nje N o 0 lo 4 1 T e O O e O S e eo 00 N T II Lal T N I QNI A un eo X o x 8 O X 9 Ni II II 1 o o 6 N O e I O L dic MILI 2 lt A e Y lt 5 E O 8 g O OO OO e 5 89 a o Y 46 2 231 na 242 i Y 284 5 536 Y l 410 A 331 20 120 120 132 120 120 ji 462 A n E nnl f N Oo 4 3 PFF A E LO I LO 00 A o ag 19 ER yo A N A i 4 272 272 317 5 191 2 M 508 7 v Y y y r v y y y y mi E 1 E 331 205 m tow gt 9 as 19 536 LE Le x EX d EX gt E gt N 9 N gt 1 o ex 9 9 amp a 8x 9 19 i i c 1 g o 30 o O gt N o p Lo amp QS y YN NN NN NN NN YN NN NM Y Y Legend D Inside edge of compartment door 2 Circuit breaker M8 fixing drilling use M8 screws l 3 Insulating or metal insulated wall Fig 23 Model L3692 far A P
3. Fig 15 L3692 far TmaxT8 Scale IO TL E Doc No 1SDH000682R0002 c Closing the circuitbreaker The operation can only be carried out with the closing springs fully loaded For manual closing press the pushbutton 5 marked with the letter I When there is ashunt closing release the operation can be carried outremotely by means of the special control circuit The special indicator 3 changes to indicate I to signal that the circuit breaker has closed Furthermore the indicator of the state of the springs 6 goes to the WHITE position Even with the closing springs discharged the operating mechanism retains enough energy for the opening operation The geared motor if any immediately starts the automatic spring reloading operation o ol lool loo i Push ON O es 2 G O Sa o 5 Premere 3 6 CO o TERTII o O e e O OT TO OT O O oo lool lo o Fig 16 d Opening the circuit breaker For manual opening of the circuit br
4. DC O O eo O O O O O O Fixed circuit breaker Fig 1 1 3 1 IEC Circuit breaker rating plate data Fig 2 1 3 2UL Circuit breaker rating plate data Fig 3 2 Checking on receipt Examine the state of the material received and its consistency with the content ofthe order Should any damage or errors be found on unpacking which must be carried out carefully make the relative notification within and not over 5 days from the receipt of the material The notification must indicate the number of the shipping note 3 Storage lifting and weights The circuit breaker protected by an external wooden crate is fixed by means of screws to the transport pallet or to the bottom of the packing case If the circuit breaker has to remain in the warehouse even for a short time before being put into service after checking it on receipt it must be put back in its container and covered with a waterproof sheet Caution Use a dry dust free room free of aggressive chemical agents as a storage room Position the circuit breaker and any fixed part on a horizontal surface not in direct contact with the floor but on a suitable support surface Fig 4 The maximum number of stackable circuit breakers is indicated in figure 5 Keep the circuit breaker in the open position and with the closing springs discharged to avoid unnecessary stresses and the risk of accidents to the personn
5. 4 mm Transparent protection covers a Protection covers for opening and closing pushbuttons These protection covers applied over the opening and closing pushbuttons prevent the corresponding circuit breaker operations except by using a special tool b IP54 door protection This is provided by means of a transparent plastic escutcheon plate which fully protects the front of the circuit breaker and ensures a degree of protection to IP54 Mounted on hinges it is fitted with a key lock 10 3 Spare parts The spare parts available are Shields and front escutcheon plate Closing springs Complete pole Operating mechanism SACE PRO30 B power supply unit For further details ask for the ABB spare parts catalogue L3692 po Apparatus TmaxT8 Scale RS IESO E 11 Protection releases References The Tmax T8 circuit breaker could be equipped with the PR232 PR331 PR332 protection releases The following modules are available PR330 V T8 PR330 D M PR330 R BT030 For further detailed informations on releases operating see following documentation 15DH000587R0001 15DH000591R0001 PR232 P T8 Getting started 15DH000592R0001 PR331 Getting started 15DH000593R0001 PR332 PR333 Getting started 15DH000650R0501 15DH000650R0502 Operating istructions for T7 T8 X1 low voltage circuit breakers protection releases ABB SACE PR232 P T8 microprocessor based electronic release ABB SACE PR331 T8 microprocessor based e
6. fixing drillings compartment door drillings The installation commissioning and any ordinary and 738 extraordinary maintenance have to be done by skilled personnel with a detailed knowledge of the apparatus To install a circuit breaker in the switchboard is enough to fixthe circuit breaker to a vertical surface with M8 screws fig 7 Fig 7 4 2 Installation of the flange on the compartment door Fig 8 Make the compartment door drillings specified in the Overall dimensions paragraph Attach the flange 1 on the front of the compartment door fixing it from the inside by means of the self tapping screws 2 Fig 8 bx Model L3692 bo Apparatus Tmax T8 Scale NG O E Doc No 1SDH000682R0002 5 Electrical connections 5 1 Connections to the power circuit 5 1 1 Shapes of the terminals Front terminals Front terminals Adjustable rear Vertical rear Vertical rear IEC UL extended IEC terminals IEC terminals IEC terminals UL Fig 9 Note The drawings are provided to show the type of terminal in graphic form The exact shape of the terminals is given in the Overall dimensions chapter Different terminals can be installed between the top and bottom parts inlet and outlet 5 1 2 Examples of positioning the connection busbars according to the type
7. E ees Tg o Doc No 15DH000682R 0002 13 Circuit diagrams Warning Before installing the circuit breaker carefully read notes F and O on the circuit diagrams O perating status shown The circuit diagram is for the following conditions circuit breaker open circuits de energised releases nottripped motor operating mechanism with springs unloaded Versions Version without overcurrent release With this version the applications indicated in figures 13 14 41 42 43 44 45 46 62 cannot be provided Version with PR232 P T8 electronic release With this version the applications indicated in figures 41 42 43 44 45 46 62 cannot be provided Version with PR331 P electronic release With this version the applications indicated in figures 42 43 44 45 46 cannot be provided Version with PR332 P electronic release With this version the applications indicated in figure 41 cannot be provided Caption Circuit diagram figure number j See note indicated by the letter A1 Circuit breaker accessories A4 Example switchgear and connections for control and signalling outside the circuit breaker A13 PRO21 K signalling unit outside the circuit breaker AY SACE SOR TEST UNIT Test monitoring Unit see note R D Electronic time delay device of the undervoltage release outside the circuit breaker F1 Delayed trip fuse K51 PR232 P T8 PR331 P PR332 P electronic overcurrent release with
8. L3692 far T8 Scale RS Basic version with adjustable rear terminals 2000A 2500A HR VR IEC 554 z 340 Y 214 n a E 80 S 20 20 015 E e lo oo oo oo o j PAS MM 00 e e SM N S co am N 8 X es lt B I UD s poo Y i Y 8 99 909 00 00 E 80 4 o 132 120 120 80 Y 20 40 20 015 132 _ 1120 120 Legend D Inside edge of compartment door 2 Circuit breaker M8 fixing drilling use M8 screws 3 Insulating or metal insulated wall Fig 22 L3692 Do Apparatus 18 Scale TIH A Basic version with vertical rear terminals 3200A VR IEC
9. ofthe power section Operating mechanism maintenance par 8 3 3 Oneyearor 5000 operations Sixmonths or3000 operations Checking trip ofthe release Sixmonths 13692 far TmaxT8 Scale es Doc No 1SDH000682R0002 8 3 Maintenance operations 8 3 1 Preliminary operations Putthe CB in safe mode like described at par 8 1 Uplift the flange 1 of the release as shown in the figures Remove the front escutcheon plate 2 by removing the four screws 3 Remove both side guards 4 by removing the front 5 screws Fig 18 T8 Ill 8 3 2 General inspection of the circuit breaker Item to be inspected 10perating mechanism Electrical accessories 2 Main circuit Busbars 3 Auxiliary circuit power supply voltage 4 Operating and control parts 8 3 3 Operating mechanism maintenance Carry out the checks and take the action listed under item 1 of the table in paragraph 8 3 2 Achieve 10 opening closing and relay tripped operations through the release Lubricate the bearings ofthe drive shaft with MU EP1 AGIP grease including those on the sides of the circuit breaker Equivalent greases ESSO Beacon EP1 BP LTX1 SHELL AVANIA GREASE R1 KLUBER LUBRIFICATION CENTO PLEX 2P Lubricate the small opening and closing shafts and the hooks with 5 RX MOLY OLEOTECNICA grease Fig 19 equivalent grease KLUBER LUBRIFICATION GRAFLOSCON A G 1 ULTRA Problem found Presence of
10. 110 Un 30 V AC DC CEI EN 60947 2 YC 85 110 Un 48 V AC DC Inrush power consumption Ps DC 200 W 60 V AC DC Inrush power time 100 ms AC 200 VA 110 120 V AC DC Continuous power Pc DC 5W 120 127 V AC DC AC 5 VA 220 240 V AC DC Opening time YO YO2 max 60 ms 240 250 V AC DC Closing time YC max 80 ms 380 400 V AC Insulation voltage 2500V 50 Hz for 1 min 440 V AC Undervoltage release YU The undervoltage release opens the circuit breaker in the case of a considerable drop or lack of its power supply voltage It can be used for remote tripping by means of normally closed type pushbuttons as a lock on closing or to control the voltage in the primary and secondary circuits The release power supply is therefore branched on the supply side of the circuit breaker or from an independentsource Circuit breaker closing is only allowed with the release powered the closing lock is carried out mechanically Most of the releases can operate with either direct or alternating current Power supply Un 24 V DC 30 V AC DC 48 V AC DC 60 V AC DC 110 120 V AC DC 120 127 V AC DC 220 240 V AC DC 240 250 V AC DC 380 400 V AC 440 V AC Operating limits YO YO2 70 110 Un CEI EN 60947 2 YC 85 110 Un Circuit breaker opening takes place with power supply voltage values of the release equivalent to 35 70 Un Circuit breaker closing is possible with power supply voltage of the release equivalent to 85 110 U
11. 120 4 72 Lo o A A 4 72 Tara 2 Ra 132 120 214 e ER aisr 52 1472 843 lon olo elo leie lelo ES el lele Ll dele ale ell le NP g N elis ql o O O O E 2 Lele Ll o Lel Lu My EM al E Ez s AA eo E1 X So O X X NG 22 co 19 Rio or 6952 oa ua cis MU a me do 5 j h 5 z T PTS STO STO SES HH 50 So ojc Sk o ojo ojo leje ol leie lejo E M to 80 ao Oo o 40 3 0 m LL NAIN n Bla 3 15 1 57 o S 1 57 amp 0 PELL 3 15 O 15 O 15 ji20 120 132 120 120 n 4 72 74 72 0 59 5 2 I 4 72 4 72 T L 0 59 242 Y Y 9 53 ET 284 5 213 410 11 2 331 205 13 03 8 07 Es u R oa OIN Nico DT a N AT 272 10 71 317 5 191 2 12 5 yi 7 53 508 7 20 03 331 Y 20s EN 13 03 507 16 14 P y y or AN Ay go 9 laz NS 9 o 1 Nm Ti Ay Y e GT 0 35 TS sj 0 35 ds X FOX HT X gt A x NG 91 di Qi l O s F No o 5 Y ES ro o o o y y 536 Y 21 1 Y Legend 1 Inside edge of compartment door 2 Circuit breaker M8 fixing drilling use M8 screws 3 Insulating or metal insulated wall Fig 20 L3692 Anar 18 Scale 7 TIH Basic version with front terminals extended 2000A 2500 ES IEC
12. 1SDH000682R0002 1 Description 1 1 General characteristics Tmax T8 serie of circuit breakers and disconnectors consist of a plastic structure which houses the operating mechanism the poles and the auxiliary parts Each pole insulated from the others contains the circuit breaking parts and the current sensor of the corresponding phase The fixed version circuit breaker has its own terminals for connection to the power circuit 1 2 External front view of the circuit breaker 1 1 PR232 P T8 PR331 oPR332 electronic microprocessor based release 2 Operating and control parts ofthe operating mechanism and release tripped signals EP 3 Rating plate E
13. Motor operating mechanism opening closing and undervoltage releases A4 KV x171 S33M 1 A1 w XV A4 Signalling contacts 646 048 612 614 022024 032 634 042 644 N N N t S33M 2 x2 I NS 1362 J o L 3692 Apparatus Tmax T8 Scale A A 18bH000682R0002 Auxiliary circuits of the PR331 and PR332 releases Warning see note F Warning see note F A4 XV e K13 Q 5 gt 3 8 XR3 T 16 XRS To xrnT2 KRT XRM A S51 P1 SZimDFin SZout DFout GZin DBin GZout DBout N XR3 18 XV A4 A W2 PR330 V measuring module Warning see note O MEASURING MODULE PR3301 T8 MEASURING MODULE PR330 478 PR332 P MEASURING MODULE PR330N T8 PR332 P 30920 L 36092 Apparatus Tmax T8 Scale O fest 15DH000682R0002 Auxiliary circuits of PR332 release with communication module PR330 D M connected to actuation unit PR330 R Warning see note F UNIT PR330 R S51
14. of the pushbuttons by means of a special tool Fig 14 7 2 Circuit breaker closing and opening procedures The operation ofthe circuit breaker can be either manual or electrical a Manual loading of the closing springs Make sure that the indicator 3 shows O circuit breaker open Make sure that the indicator 6 is WHITE springs discharged Repeatedly activate the lever 2 until the indicator 6 changes its color to YELLOW b Electrical loading of the closing springs The electrical loading of the circuit breaker is possible when the following accessories supplied on request are present geared motor for automatic loading of the closing springs shunt closing release shunt opening release The geared motor automatically reloads the springs after each closing operation until the yellow indicator appears 6 Fig 15 When the power is cut off during loading the geared motor stops and automatically starts reloading the springs again when the power returns Itis in any case always possible to complete the reloading operation manually
15. P1 K51 K51 K51 SZin DFin GZin DBin GZout DBout l COMMUNICATION MODULE e C11 6 C12 PR021 K signalling unit PR021 K 1362 1 Model L3692 Apparatus Tmax T8 Scale O 18bH000682R0002 AA ED ED P UP IP ABB S p A ABB SACE Division Via Baioni 35 24123 Bergamo Italy Tel 39 035 395 111 Telefax 39 035 395 306 433 http www abb com Due to possible developments of standards as well as of materials the characteristics and dimensions specified in the present catalogue may only be considered binding after confirmation by ABB 1SDH000682R0002 L3692
16. The auxiliary contacts can have the following configurations 4 break make contacts for PR232 PR331 4 Change over position contact 4 1 break make contacts for PR332 4 Change over position contact 1 for the release Reference Fig in the electrical circuit diagrams Q 1 10 21 22 b Contact for signalling closing springs charged This consists ofa microswitch which allows remote signalling ofthe state ofthe circuit breaker operating mechanism closing springs The contact is always supplied with the spring loading geared motor Reference figure in the electrical circuit diagrams S33 M 2 11 c Contact for signalling undervoltage release energized C aux YU The undervoltage releases can be fitted with a contact by choise normally closed or open for signalling undervoltage energized for remote Signalling of the state of the undervoltage release Reference figure in the electrical circuit diagrams 12 Sensors and operations counter a Current sensor for the neutral conductor outside the circuit breaker The sensor allows neutral protection by means of connection to the overcurrent release and is available only for three pole circuit breakers It is supplied on request Reference figure in the electrical circuit diagrams UI N b Homopolar toroid for the power supply earthing conductor star center of the transformer PR232 P T8 microprocessor based electronic release may be used in combination with an external toroid located
17. communication wireless Bluetooth Data Logger Compatibility with SD Pocket Compatibility with SD Testbus Compatibility with PRO1O T PR330 V Measuring internal voltage module PR330 D M Com internal communication module Residual current protection PR021 K separate signalling unit HMI030 separate graphics interface PR030 B separate power supply unit BT030 separate Bluetooth communication unit Key S standard function unit O optional function unit function unit unavailable Model L3692 ef Apparatus 2 Po Note JA UN Mm PR232 G 1 PR331 S O G function is not available with separate BT030 unit for temporary connections with PR330 D M module with PR330 V module TmaxT8 uiO O IO O OlIul ul u Scale Doc No 1SDH000682R0002 12 Overall dimensions Basic version with front terminals 1600A 2000A 2500A F IEC UL Y 15 554 0 59 V 428 21 81 16 85 7 Y 120 120
18. duston the internal parts Springs deformed orrusty Safety rings outof place nuts orscrews loose Wires and straps detached Presence ofdustor dirton the insulating parts Safety rings outofplace screws ornuts loose Deformation orcracks ofthe insulating parts Wearoroverheating marks orscrews loose onthe connections to the terminals ofthe circuit breaker Check the power supply voltage ofthe electrical accessories ofthe operating mechanism The operating tests which mustbe carried outas shown in paragraph 6 1 have shown defects in the components Fig 19 L3692 po Apparatus RS IESO E T8 IV Remedy Clean with brushes or dry cloths Replace damaged springs Putthe rings back in place and tighten screws and nuts appropriately Replace the straps and connectthe detached wires correctly Clean with a brush or dry cloths Putthe rings back in place and tighten screws and nuts appropriately Remove the shutters and clean with a rough cloth soaked in a suitable solventand lubricate moderately with neutral grease Tightenthescrews suitably The releases and locking devices mustoperate normally for values between 85 and 110 ofthe corresponding rated voltage Replace the defective parts or those with a faulty operation if necessary ask ABB Scale TmaxT8 1SDH00
19. on the conductor which connects the star center of the MV LV transformer homopolar transformer to earth in this case the earth protection is defined as Source Ground Return The In of the toroid can be regulated to 100 A 250 A 400 A 800 A by using different combinations of the connections Reference figure in the electrical circuit diagrams UI 0 c Homopolar toroid for residual current protection The toroid enables the residual current protection to be activated and can be combined with the PR332 P LSIRc release The accessory is fittedwith a dip switch multiple selector which is reset according to the required sensitivity 3A to 30A The accessory is for installation on the busbars and is available in different sizes up to 3200A d Mechanical operations counter This is connected to the operating mechanism by means of a simple lever mechanism It indicates the number of circuit breaker mechanical operations The indication is visible on the front of the circuit breaker from the outside 10 2 Mechanical locks a b Lock in open position Different mechanisms are available which enable the circuit breaker to be locked in the open position These devices can be controlled by a key a a Special circular lock with different keys for a single circuit breaker or with the same keys for several circuit breakers In the latter case up to four different key code numbers are available padlocks b up to 3 padlocks not supplied
20. symbol Instantaneous overcurrent relay Overcurrent relay with adjustable short time delay trip Overcurrent relay with inverse short time delay trip Overcurrent relay with inverse long time delay trip Earth fault overcurrent relay with inverse short time delay Fuse general symbol Current sensor eS DHOOOGEARODO Z Circuit diagram Operating status Three pole circuit breaker with PR232 P T8 PR331 P or PR332 P Four pole circuit breaker with PR232 P T8 PR331 P or PR332 P electronic release electronic release PE N PE 11 L2 L5 N PE 11 L2 L3 N m1 T12 U NK EZ PR232 P 18 PR232 P 18 PR331 P PR332 P PRISZ P Three pole circuit breaker with PR332 P electronic release Three orfour pole switch disconnector residual current protection and U lt 690V Kol XK1 T1 2 m2 10 Q ha ai Ta ii T22 12 i Ti 7113 e 132 14 gt r XK1 3 1 gt mm T 4 _ 2 mur EX C ps a T24 4 ma 5 a T54 Comb 2 YO1 M XO N L xR3 27 L v 5 mm B mt CN mo mm XR3 T43 m E M PRISZ R 1362 L3692 Apparatus Tmax T8 Scale AO A 15DH000682R0002
21. the circuitbreaker being opened following a trip of the overcurrent releases To reset the circuit breaker it is necessary to reset the mechanical indicator pushbutton Reference figure in the electrical circuit diagrams S51 13 c Coil for resetting the mechanical release trip indicator This enables a visual signalling on the operating mechanism mechanical and remotely electrically by means of a changeover switch of the circuitbreaker being opened following a trip of the overcurrent releases With this accessory you can reset the mechanical indicator with an electronic relay using a remote control and this enables the circuit breaker to be reset Power supply Un 24 30 V AC DC 220 240 V AC DC 110 130 V AC DC Reference figure in the electrical circuit diagrams S51 14 Auxiliary contacts Auxiliary contacts installed on the circuit breaker are available to enable an indication of the circuit breaker s status A special version of the auxiliary contacts is also available gold plated contacts for a rated voltage under 24 V digital signal Un In max T Un In max coso 125 V DC 0 3A 10 ms 250 V AC 5A 0 3 250 V DC 0 15 A 10 ms 400 V AC 2A 0 3 Model 13692 pf Apparatus Tmax T8 Scale NENNEN la Doc No 1SDH000682R0002 The versions available are a Electrical signalling for circuit breaker open closed It is possible to have electrical signalling of the circuit breaker status open closed with 4 auxiliary contacts
22. the following protection functions L overload protection with inverse long time delay trip setting 11 S short circuit protection with inverse or definite short time delay trip setting 12 short circuit protection with instantaneous time delay trip setting 13 G earth fault protection with inverse short time delay trip setting l4 K51 1 8 Contacts for the PR021 K signalling unit K51 GZin DBin Zone selectivity for protection G or reverse direction input for protection D only with Vaux and PR332 P release K51 GZout DBout Zone selectivity for protection G or reverse direction output for protection D only with Vaux and PR333 P release K51 SZin DFin Zone selectivity input for protection S or direct input for protection D only with Vaux and PR332 P release K51 SZout DFout Zone selectivity output for protection S or direct output for protection D only with Vaux and PR332 P release K51 YC Closing control from PR332 P microprocessor based release with communication module PR330 D M and with actuation unit PR330 R K51 YO Opening control from PR332 P microprocessor based release with communication module PR330 D M and with actuation unit PR330 R M Motor for loading the closing springs Q Circuit breaker Q 1 5 Circuit breaker auxiliary contacts 533M 1 3 Limit contacts for spring loading motor 543 Switch for setting remote local control 551 Contactfor electrical signalling of circuit breaker
23. 0 TT Hopp 7 48 B 190 EH 7 48 LZ 190 190 190 7 48 A 7 48 i LL 7 48 o o o o ED EM En mm fo o el O O o e uy HIPO ANN m o o Fig 11 5 1 3 Assembly procedure for the connection busbars Check the state of the contact surfaces of the connections very carefully they must be very clean with no burrs dents or traces of rust which must be eliminated using a fine file or an emery cloth to prevent localized increases in temperature On completion of the operation remove all traces of grease or dust with a cloth soaked in a suitable solvent When aluminium connections are used it is necessary to tin plate the contact surfaces The connections must not exert any strain on the terminals in any direction Always insert a large diameter flat washer and a spring washer between them to spread the tightening pressure over a greater area Make the contact between connection and terminal and tighten the fixing screws completely Always use two wrenches so as not to strain the insulating parts excessively applying the tightening torque of the main terminals 70 Nm 615 Ib in for M12 high strength screws
24. 0682R 0002 Page No 11 29 9 Measures to be taken for any operating anomalies Pressing the i Test pushbutton on the PR332 does not cause circuit breaker opening The WARNING or ALARM led on the PR332 release lights up Release coils interrupted or burnt out geared motor winding interrupted The shunt opening release or shunt closing release does not energize sufficiently Anomalies The shunt opening release or shunt closing release remains energized The circuit breaker does not close The circuit breaker does not open Posibecawes causes Checks and remedies Check and insertconnector XO correctly Connector XO notinserted correctly Coilofthe opening release YO 1 interrupted Replacethe YO1shuntopening release Defectin the electronic circuits ofthe microprocessor Putthe circuit breakeroutofservice and checkthe release release with the testapparatus service immediately Ask ABB aboutreplacementprocedures The possible causes oftripping are listed in the partofthe manual relating to the releases forthe circuitbreaking parts EENNNCE Protections notreset Pressthe mechanical pushbutton forsignalling protection tripping Operating mechanism orconsentcontacts blocked in closing position Checkthe state ofthe contacts in series with the release circuit PLI nn NA 1 a itmustnotbe less than 85 ofthe rated E Differentpowersupply voltage from the one indicated on the Checkthe rating plate voltage ofthe releases rating plate o
25. 485 interface see note E W2 Serial interface with the accessories of PR331 P and PR332 P releases internal bus X1 X7 Connectors for the accessories of the circuit breaker 36920 L3692 Apparatus Tmax T8 Scale Doc No 1SDH000682R 0002 XK1 Connector for power circuits of PR232 P T8 PR331 P and PR332 P releases XO Connector for YO1 release XR3 XR13 Connectors for auxiliary circuits of PR232 P T8 PR331 P and PR332 P releases XV Delivery terminal box for the auxiliary circuits of the circuit breaker YC Shuntclosing release YO Shuntopening release YO1 Overcurrent shunt opening release trip coil YO2 Second shunt opening release See note Q YR Coil to electrically reset the circuit breaker YU Undervoltage release see notes Band Q Description of figures Fig 1 Motor circuit to load the closing springs Fig 2 Circuit of shunt closing release Fig 4 Shuntopening release Fig 6 Instantaneous undervoltage release see notes B and Q Fig 7 Undervoltage release with electronic time delay device outside the circuit breaker see notes B and Q Fig 8 Second shunt opening release see note 0 Fig 11 Contact for electrical signalling of springs loaded Fig 12 Contact for electrical signalling of undervoltage release energized see notes Band 5 Fig 12A Contact for electrical signalling of circuit breaker open with springs charged and ready to close Fig 13 Contactfor electrical sign
26. Check tightness after 24 hours 5 2 Wiring the circuit breaker auxiliary circuits A special terminal box is provided fitted with screw terminals for connecting the auxiliary circuits The terminals are marked with alphanumerical identification codes as for the electrical circuit diagram The terminal box is identified by code XV on the electrical circuit diagram The terminal box is immediately accessible when the compartment door is open Fig 12 L3692 far TmaxT8 Scale es Doc No 1SDH000682R0002 6 Putting into service 6 1 General procedures Check tightness of the power connections at the circuit breaker terminals Carry out all the preparatory operations on the release Make sure that the value of the auxiliary circuit power supply voltage is between 85 and 110 of the rated voltage of the electrical applications Make sure that there is an adequate air circulation in the place of installation to avoid overheating Also carry out the checks specified in the following table Item inspected 1 Manual operating mechanism 2 Geared motor if provided 3 Undervoltage release if provided 4 Shunt opening release if provided 5 Shunt closing release if provided 6 Circuit breaker lock in the open positi
27. Installation service and maintenance instructions Installation and service Instructions for low voltage moulded case circuit breakers Tmax T8 1SDH000682R0002 L3692 sas Tl Pr O RR id annrese tin E D 3 iid Tile Installation service and maintenance ianguage mm TIMERE Instructions for low voltage moulded case circuit breakers en MEN S S SL LL Apparatus Tmax T8 ADD 1n PA ID ID ABB SACE Division 1SDH000682R0002 Index L DGSCHPUO DI 004 Do pag 3 1 1 General characteristics 3 1 2 External front view of the circuit breaker 3 1 3 1 IEC Circuit breaker rating plate data 3 1 3 2 UL Circuit breaker rating plate data amp 3 2 Checking on receipt 3 ER Storage lifting and weights seene 3 4 Installation NR 4 1 Installation POOM REPRE TTE 4 2 Installation of the flange on the compartment door 4 Js Electrical CONMECUONS misa aia lt 5 1 Connections to the power cCiFCUI 5 1 1 Shapes ofthe tenia Sicario lt 5 1 2 Examples of positioning the connection busbars according to the types of terminals 5 5 1 3 Assembly procedure for the connection busbars 6 2 Wiring the circuit breaker auxiliary circuits 6 Putting into service c c n
28. ach closing operation The circuit breaker closes correctly The signals are correct The circuit breaker opens Thesignalchanges over The circuit breaker opens correctly The signals are correct The circuit breaker closes correctly The signalsare correct Both manual and electrical closing are prevented The signals are given correctly Scale TmaxT8 1SDH000682R 0002 pas 7 Instructions for use 7 1 Operating and signalling parts 1 Pushbutton for the manual opening operation 4 2 Lever for manual loading of the closing springs 3 Mechanical indicator for circuit breaker open O and closed I Q a 4 Mechanical indicator for protection release tripped i E 5 Pushbutton for the manual closing operation 6 Signalling device for springs loaded unloaded 8 o 7 Operation counter on request 9 5 8 Key lock on the closing operation on request 1 2 6 3 7 O O ol e 9 9 e o OQ eme EX Fig 13 Note On request a transparent cover can be installed on the front of the circuit breaker to increase the degree of protection to IP54 The cover has a locking key As an alternative to the transparent cover a protection can be mounted on the manual closing and opening controls which only allows operation
29. alling of circuit breaker open due to tripping of the overcurrent release The circuit breaker may be closed only after pressing the reset pushbutton or after energizing the coil for electrical reset if available Fig 14 Contact for electrical signalling of circuit breaker open due to tripping of the overcurrent release and electrical reset coil The circuit breaker may be closed only after pressing the reset pushbutton or energizing the coil Fig 22 Circuit breaker auxiliary contacts Fig 41 Auxiliary circuits of PR331 P release see note F Fig 42 Auxiliary circuits of PR332 P release See note F and N Fig 43 Circuits of the measuring module PR330 V T8 of the PR332 P release internally connected to the three pole and fourpole circuit breaker optional Fig 44 Circuits of the measuring module PR330 V T8 of the PR332 P release externally connected to the three pole and fourpole circuit breaker optional see note O Fig 45 Auxiliary circuits of PR332 P release with communication module PR330 D M connected to actuation unit PR330 R see notes E F N and P Fig 46 Circuits of the measuring module PR330 V T8 of the PR332 P release internally connected to the three poles circuit breaker with external neutral conductor optional Fig 61 SACE SOR TEST UNIT Test monitoring Unit see note R Fig 62 Circuits ofthe signalling unit PRO21 K outside the circuit breaker Incompatibilities The circuits indicated in the follow
30. arthed on the circuit breaker side and current sensor side N With PR332 P release the connections to the zone selectivity inputs and outputs must be made with a two pole shielded and stranded cable see type BELDEN 8762 8772 no more than 300 m long The shield must be earthed on the selectivity input side O Systems with a rated voltage greater than 690V require the use of an insulation voltage transformer to connect to the busbars P With PR332 P release with communication module PR330 R the coils YO and YC are controlled directly from contacts k51 YO and K51 YC with maximum voltages of 110 120 V DC and 240 250 V AC Q The second shunt opening release may be installed as an alternative to the undervoltage release R The SACE SOR TEST UNIT opening release YO is guaranteed to operate starting at 75 of the Vaux of the opening release itself While the YO power supply contactis closing Short circuiton terminals 4 and 5 the SACE SOR TEST UNIT is unable to detect the opening coil status Consequently For continuously powered opening coil the TEST FAILED and ALARM signals will be activated If the coil opening command is of the pulsing type the TEST FAILED signal may appear at the same time In this case the TEST FAILED Signal is actually an alarm signal only if it remains lit for more than 20s S Also available in the version with a normally closed contact T Forthe connections between TO toroidal transformer and poles of CB XV co
31. eaker press pushbutton O 1 When there is a shunt opening release the operation can also be carried out remotely by means of the special control circuit Opening having taken place is signaled by the letter O appearing in the indicator 3 O0 o O Oc Jo o OO OO 1 o Lal O O O JE Premere 3 C L o O A O e O 0 O O OO CO 6 O O O O Fig 17 L3692 Apparatus TmaxT8 Scale LLL 8 Maintenance 8 1 Warning Before carrying out any maintenance work itis necessary to complete the following procedure open the circuit breaker and check that the operating mechanism springs are discharged for action on circuit breakers disconnect the supply to the power circuit and to the auxiliary circuits furthermore visibly earth the terminals both on the power supply side and on the load side During normal service the circuit breakers require limited maintenance The table of the maintenance program is given in the fo
32. el Fig 4 Fig 5 L3692 P Apparatus TmaxT8 Scale pe ERN For lifting refer to the following instructions the circuit breakers must be placed on a sturdy supporting surface and lifted preferably by means of a special fork lift truck However the use of ropes is allowed In this case the lifting ropes must be hooked up as shown in the figures ARA Fig 6 Table of the circuit breaker weights Kg Circuit breaker 3 poles 4 poles T8 1600 UL T8 2000 T8 2500 T8 3000 UL 18 3200 IEC Notes The weights indicated in the table are intended for circuit breakers complete with PR232 P T8 PR331 or PR332 releases and relative current sensors excluding the accessories 4 Installation 4 1 Installation room Install the circuit breaker in a dry dust free non corrosive room and in such a way that it is not subject to shocks or vibrations Where this is not possible install it inside a switchboard with a EN aN suitable degree of protection CR X For the preparation of the installation room please refer to the Overall dimensions paragraph which gives information on the e following points NS a h SS 5 F4 P os Es ADA 2 VARA minimum installation volumes of the circuit breakers and derived versions 8 distances to be respected for circuit breakers in compartments overall dimensions of the circuit breakers
33. es l Basic version with vertical rear terminals 3000A VR UL 554 z 21 81 it Seo L 340 Y 214 Qo 0 13 39 8 43 sa OOP oo WOOT doll ele s Sic A Qe UN 3 g5 JA d f alg o X Bs Too X E uc o xX mm lt O o Re e 2 N Hr JC Jc a d oo OO loo OO 32 s D Sal Y 242 9 53 284 5 11 2 1 o ji o 7 291 205 o S Ey 410 o De TE Tl TT X Kc X q8 38 L 8x 9 2 c AT N Y Y Legend 1 Inside edge of compartment door 2 Circuit breaker M8 fixing drilling use MB screws 3 Insulating or metal insulated wall Fig 24 L3692 Do Apparatus 18 Scale TI E Compartmentdimensions Compartment door drilling Y 316 u 12 44 306 2 12 05 N13 05 100 100 N 13 5 AH 1000 33 IO ll ouo E x BS s JIM 300 600 3POLES 726 4POLES 168 5 6 63 Fig 25 Fig 26
34. fthe releases Operating circuitfaulty Checkconnections fuses interlocks protection circuit breakers and consentcontacts wiretighteningscrewsioose 00 Wire tightening screws loose Checktightnessofthescrews connectingthewires Checktightnessofthescrews connectingthewires screws connecting the wires jejeje Incorrectelectrical connections in the powersupply circuit Check the connections with the corresponding circuitdiagram loje Release coils interrupted Replacethecoils yy eye Operating mechanism blocked Operate by hand Ifthe faultpersists contactABB Key notinserted in the opening mechanism lock Insertand turn the key Undervoltage release notenergized Checkthe corresponding powersupply circuit jel Shuntopening release remains energized Check the power supply circuit Take action according to the cause in particular if contact wearis higherthan 80 WARNING led litup the circuit breaker can remain inservice butreplacementofthe circuit breaking partsmustbe scheduled within a shorttime Ifcontact wearreaches 100 the circuit breakermustbe putoutof Model 13692 far TmaxT8 Scale MERE a Doc No 15DH000682R 0002 10 Accessories 10 1 Electrical accessories Shuntopening closing YO YC and second shunt opening release Y02 This allows remote opening or closing control of the apparatus Given the characteristics of the circuit breaker operating mechanism opening with the circui
35. he 7 6 1 General procedures seen 7 T Instructions TOF USS consistia sctsaXxxise eser ii ita Fl Operating and signalling parfs lt 7 2 Circuit breaker closing and opening procedures 8 8 Maintenance ena NAN NK N NAN NAN KN NK nns 10 8 1 ESA TCU 10 8 2 Maintenance program eene 10 8 3 Maintenance operations cccccceeeeeeeceeceeeeeeeeeeeeeeeeeeaes 11 8 3 1 Preliminary operations usus aisiutaquni eat mea kb ote e 11 8 3 2 General inspection of the circuit breaker 11 8 3 3 Operating mechanism maintenance 11 9 Measures to be taken for any operating AO NANGIS aaa atek RET 12 l0 AACCCSS OMICS suena catas 13 10 1 Electrical accessories eeeeeeenne 13 10 2 Mechanical JOCKS scr 15 10 3 Spare OS o Send na naga bu nina ngae EE TUN kag anaa akan ke 15 ll Protection releases References 16 ME Saey MOS ambas mika AE a Aa BANA a NAK E MA pa ng dai 16 11 1 1 Notes for dielectric stiffness tests ssssss 16 11 2 General NOS iii 16 12 Overall dimensions semen 17 L3 TUE dIQUEIOITIS assets naa aaa awah Ba ad a dag pa NAN hawk 23 L3692 Apparatus TmaxT8 Scale RS IESO E L3692 far TmaxT8 Scale es Doc No
36. ing figures cannot be supplied simultaneously on the same circuit breaker 6 7 8 13 14 41 42 45 43 44 46 Notes A Thecircuit breakeris only fitted with the accessories specified in the ABB SACE orderacknowledgement Consultthis catalogue for information on how to make out an order B The undervoltage release is supplied for operation using a power supply branched on the supply side of the circuit breaker or from an independent source The circuit breaker can only close when the release is energized there is a mechanical lock on closing E Forthe EIA RS485 serial interface connection see document RH0298 regarding MODBUS communication F The auxiliary voltage Vaux allows actuation of all operations of the PR331 P and PR332 P releases Having requested a Vaux insulated from earth one must use galvanically separated converters in compliance with IEC 60950 UL 1950 or equivalent standards that ensure a common mode current or leakage current see IEC 478 1 CEI 22 3 not greater than 3 5 mA IEC 60364 41 and CEI 64 8 G Earth fault protection is available with the PR332 P release by means of a current sensor located on the conductor connecting to earth the star center of the MV LV transformer The connections between terminals 1 and 2 or 3 of current transformer UI O and poles T7 and T8 of the XV connector must be made with a two pole shielded and stranded cable type BELDEN 8762 8772 no more than 15m long The shield must be e
37. lectronic release 1SDH000650R0503 ABB SACE PR332 T8 microprocessor based electronic release 11 1 Safety notes A WARNING this symbol gives information about operations actions or circumstances that can cause injuries to the personnel damage to the unit or economic losses Read this manual carefully and completely the specifically protection release instruction manual and the getting started The use of this device should be reserved for qualified and expert personnel only If in doubt about its safe usage the unit must be put out of service to prevent any accidental use You must assume that safe usage is impossible if 1 the unit shows visible signs of damage 2 the unit does not function for example with autotest or with the trip test unit 3 the unit has been damaged in transit A Prior to servicing and or replacing the circuitbreaker must be open Also remember to disconnect all power supplies connected 11 1 1 Notes for dielectric stiffness tests A Dielectric stiffness tests on the releases inputs and outputs are not permitted 11 2 General notes A table can best illustrate the technical features and the mix and matchability of the three relays Function Unit Current protections L 5 G Additional protections U OT Voltage protections UV OV RV RP UF OF Temperature protection MCR protection Thermal memory Local bus for separate auxiliary units Wire communication RS485 Radio
38. llowing paragraph indicating the corresponding periodic intervals for action Itis also recommended During service routinely inspect the circuit breaker from the outside to check for any dust dirt or damage of any kind Forcircuit breakers fitted with SACE PR232 P T8 and PR331 releases installation of the mechanical operation counter supplied on request is recommended the SACE PR332 releases allow for the number of operations performed by the circuit breaker in service to be displayed at all times on the special display With regular maintenance Tmax T8 circuit breakers either with or without a geared motor can withstand the following operation without replacement of parts Rated uninterrupted current Mechanical life Electrical life lu 40 C No of operations Frequency 415 V Frequency A x 1000 operations hour No of operations x 1000 operations hour T8 UL 1600 15 OO clas 20 A4 O T8 2000 15 60 145 120 T8 250 15 60 4 20 J O T8 UL 300 15 60 13 ro 4 T8 IEC 3200 15 60 3143 ro J With regularordinary maintenance 8 2 Maintenance program Maintenance operations Interval Installation in normalrooms Installations in dusty or polluted rooms Generalinspection see par 8 3 2 Oneyearoraftera short circuittrip Sixmonths oraftera short circuittrip External visual check and inspection One year Sixmonths
39. n It can be fitted with a signalling contact for undervoltage release energized C aux YU Reference figures in the electrical circuit diagrams YU 6 Inrush power consumption Ps DC 200 W AC 200 VA Continuous power Pc DC 5W AC 5 VA Openig time YU 30 ms Insulation voltage 2500V 50 Hz for 1 min L3692 Apparatus TmaxT8 Scale LLL Time delay device for undervoltage release UVD The undervoltage release can be combined with an electronic time delay device for installing outside the circuit breaker which enables a delay in the tripping ofthe release with preset adjustable times The use ofthe delayed undervoltage release is recommended when the power supply network of the release can be subject to power cuts or short lived voltage drops in order to avoid trips When it is not supplied circuit breaker closing is prevented The time delay device has to be combined with an undervoltage release with the same voltage as the time delay device Reference figures in the electrical circuit diagrams YU D 7 The characteristics of the time delay device are Power supply D 24 30 V AC DC 48 V AC DC 60 V AC DC 110 127 V AC DC 220 250 V AC DC Adjustable opening time YU UVD 0 5 1 1 5 2 3 s Geared motor for automatic closing spring loading M This automatically loads the circuit breaker operating mechanism closing springs After circuit breaker closing the geared motor immediately sees to reloading
40. nnector use a shielded 4 pole cable with paired braided wires BELDEN 9696 paired type length not exceeding 10m The shielding will be grounded on CB side U The shield of connection cable must be earthed on circuit breaker side only 30920 L3692 Apparatus Tmax T8 Scale Doc No 1SDH000682R 0002 Circuit diagram symbols IEC 60617 and CEI 3 14 3 26 Standards Shield may be drawn in any shape Time delay Mechanical or electrical connection Manual mechanical control general case Rotating control Pushbutton control m Equipotentiality Galvanically separated converter Shielded cable conductors i e 3 conductors shown Conductors or stranded cables WU i e 3 conductors shown Connection of conductors L3692 Terminal Plug and socket male and female Motor general symbol Current transformer Voltage transformer LJ Winding of three phase transformer Star connection Make contact Break contact with automatic circuit breaking Change over contact Make position contact limit contact Break position contact limit contact DE Emme ril gt gt ST LT E in Ka Change over position contact with momentary circuit breaking limit contact Power isolator with automatic breaking action Switch disconnector Control coil general
41. on with key or padlocks 7 Auxiliary contacts of the circuit breaker Procedure Carry out some opening and closing operations See chapter 7 2 CAUTION When there is an undervoltage release the circuit breaker can only be closed after the release has been electrically energized Supply the spring loading geared motor at the corresponding rated voltage Carry out some closing and opening Operations Note Supply the undervoltage release at the corresponding rated voltage if any Supply the undervoltage release at the corresponding rated voltage and carry out the circuit breaker closing operation Disconnect voltage to the release Supply the undervoltage release at the corresponding rated voltage and carry out the circuit breaker closing operation Close the circuit breaker Supply the shunt opening release at the corresponding rated voltage Open the circuit breaker Supply the shunt closing release at its rated voltage Open the circuit breaker turn the key and remove itfrom its seat Attemptcircuit breaker closing operation Insert the auxiliary contacts in suitable Signalling circuits Carry out some circuit breaker closing and opening operations L3692 po Apparatus RS IESO E Positive check The spring loading lever moves correctly The springs are loaded correctly The signals are correct The geared motor stops with the springs loaded The geared motor reloads the springs after e
42. open due to tripping of the overcurrent release The circuit breaker may be closed only after pressing the reset pushbutton or after energizing the coil for electrical reset if available 551 P1 Programmable contact for default it signalizes overcurrent protection in progress start SC Pushbutton or contact for closing the circuit breaker SQ Pushbutton or contact for opening the circuit breaker S0 Pushbutton or contact for opening the circuit breaker with delayed trip S02 Pushbutton or contact for opening the circuit breaker with instantaneous trip SR Pushbutton or contact for electrical circuit breaker reset SRTC Contact for electrical signalling of circuit breaker open with springs charged and ready to close TI L1 Current transformer located on phase L1 TI L2 Current transformer located on phase L2 TI L3 Current transformer located on phase L3 TO Homopolar toroidal current transformer see note T TU Isolation voltage transformer see note O Vaux Auxiliary power supply voltage see note F UI 0 Current sensor Rogowski coil located on the conductor connecting to earth the star point of the MV LV transformer see note G UI L1 Current sensor Rogowski coil located on phase L1 UI L2 Current sensor Rogowski coil located on phase L2 UI L3 Current sensor Rogowski coil located on phase L3 UI N Current sensor Rogowski coil located on neutral W1 Serial interface with control system external bus EIA RS
43. s of terminals The connection busbars enable the connection between the terminals of the circuit breakers and the busbars of the switchgear Their sizing must be carefully studied by the switchgear designer Some examples of possible constructions in relation to the shape and size of the circuit breaker terminals are given in this paragraph It is normally advisable to exploit the whole contact surface of the terminal so the width of the connection busbars should be the same as that of the terminal Different connection capacities can be obtained by adjusting the thickness and number of busbars in parallel In some cases reductions in the width of the connection in relation to that of the terminal are allowable as shown in the following examples Front terminals Vertical rear terminals Circuit breaker lu A Busbar cross section Busbar cross section mm in mm in T8 V 1600 3x 100x5 3x 3 94x0 2 T8 L V 2000 3x 100x5 3x 3 94x0 2 T8 L V 2500 4x 100x5 4x 3 94x0 2 T8 V 3000 6x 100x5 6x 3 94x0 2 T8 L V 3200 6x 100x5 6x 3 94x0 2 Fig 10 L3692 P Apparatus TmaxT8 Scale po Pq Positioning the first anchoring baffle of the busbars Anchoring to the switchgear 190 190 M pre M 7 48 d aH aH E b hH A 19
44. t breaker closed is always possible whereas closing is only possible when the closing springs are loaded Most of the releases can operate with either direct or alternating current This release carries out an instantaneous service but can be supplied permanently In uses where the shunt closing release is supplied permanently to carry out the circuit breaker reclosing operation after opening it is necessary to momentarily de energize the shunt closing release the circuit breaker operating mechanism reclosing is in fact fitted with an antipumping device In some versions itis necessary to have a very high degree of safety for the remote opening control of the circuit breaker and in particular the duplication of the control circuit of the shunt opening release is required In order to achieve this you can fitthe Tmax T8 circuit breakers with a second shunt opening release The second shunt opening release is located in the same seat as the undervoltage release and its technical characteristics are the same as the standard shunt opening release Inthe case ofinstantaneous service the minimum duration ofthe currentimpulse mustbe 100 ms In the case of permanent power supply to the shuntopening release you mustwaitfor atleast 30 ms before giving the opening control to the shuntclosing release Reference figures in the electrical circuit diagrams YO 4 YC 2 YO2 8 Power supply Un 24 V DC Operating limits YO YO2 70
45. the closing springs When there is no power supply or during maintenance work the closing springs can still be loaded manually by means of the special lever on the operating mechanism Power supply Un 24 30 VACIDC III Inrush power consumption Ps DC 500W 48 60 V ACIDO AC 500 VA 100 130 V AC DC Rated power Pn DC 200 W AC 200 VA 220 250 V AC DC AAA Inrush time 0 25 Operating limits 85 110 Un CEI EN 60947 2 Loading time 4 5 5 Insulation voltage 2500 V 50 Hz for 1 min Itis always supplied with limit contacts and microswitch for signalling closing springs loaded Reference figure in the electrical circuit diagrams M 1 Mechanical and electrical trip signalling for overcurrent releases The following signals are available following tripping of the overcurrent release a Mechanical trip signalling for overcurrent releases This enables a visual signalling on the operating mechanism by pushing the trip pushbutton in when the circuit breakerhas been opened following tripping ofan overcurrent release The circuit breaker can only be closed again by putting the pushbutton back into its normal position included in the standard configuration Reference figure in the electrical circuit diagrams S51 13 b Electrical and mechanical trip signalling for overcurrent releases This enables a visual signalling on the operating mechanism mechanical and remotely electrically by means of a changeover switch of
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