fluair MV distribution User Manual F400 cubicle
Contents
1. SF2 CEI 2500 A standard Draw out bar bridge 1250 A and 2500 A 6 07897171EN REV CO Schneider Electric General Description Identification p mm A L 1 N 5 N 5 U Functional unit SF draw out removable part cubicle name D features descriptions and serial number nameplate features descriptions and serial number How to read the 44 information E on the front side 5 Removable part s 1 mechanical opening push button A removable part mechanical position 2 removable part position selector indicator 3 removable part operating crank insertion B slot for the disconnecting truck lock opening optional power on indicator block earthing isolator position selector Slot for the earthing isolator lock earthing isolator operating crank insertion opening locking pull for plug in disabling plug in dis2. breaker coupling cubicle breaker coupling cubicle After the removable part has been extracted from the cubicle the top or bottom flap can be locked by means of 1 2 or 3 padlocks 1 position the part and L 2 padlock Note the two operating mechanisms are separate Left hand side Right hand side F padlocking padlocking G bottom flap operating mechanism J top flap operating mechanism Disabling the putting in or out of operation of the voltage transformers Fitting a padlock allows you to lock the handle Fitting a padlock allows you to lock the handle in bottom position transformers in operation top position transformers out of operation Schneider Electric EBS 07897171EN REV CO 21 Operating Instructions Key locking Possible number of locks E disconnecting truck 1 lock in plugged in This locking is optional position on the removable part removable part in drawn out position 1 lock on the cubicle 2 NO or 2 or 1 NO and 1 NC or 1 NO or 1 NC on the earthing isolator NO normally open NC normally closed Removable part in drawn out position Remove the key when the plug in disabling selector is in following position n Draw out is then impossible Disabling the plug in of a removable part Remove the key when selector 2 is in position 1 Draw out is then impossible Disabling the
3. 07897171EN REV CO 11 Operating Instructions Warning lift protection flap V of push button 1 Reassembling the threshold To move selector 2 to position 2 press push button 1 Hold it down to move selector 2 to position 9 Push the removable part into the cubicle until its is in abutment Then press push button 1 Hold it down to move selector 2 back to position 9 Connect the LV auxiliary connection cord Insert the threshold bar A tilting it slightly align slots B with threaded rods C then fit the threshold bar position nuts D Closing the door with the removable part in place Warning if closing is impossible check the following points i Before closing the access door to the removable part lift the panel and check that it is properly latched at the top 3 door closes but does not lock 12 07897171EN REV CO Merlin Gerin vr Lift rod 2 topple locking part 1 over and release rod 2 Em Close the door Schneider Electric How to plug in the removable part front plate with black background Operation Schneider Electric
4. 0 3 General Description Bus coupler cubicles Front side A LV compartment access door A removable part compartment access door view ports D removable part interlocking and operating plate E removable part interlocking plate Left hand view LV cable routing compartment low voltage compartment bottom busbar compartment top busbar compartment removable part compartment removable part interlocking mechanism removable part voltage transformer 4 07897171EN REV CO CEDNA Schneider Electric General Description Bus riser cubicles Front side A LV compartment access door A fixed bar bridge compartment access door view ports N Left hand view LV cable routing compartment LVcompartment bottom busbar compartment top busbar compartment voltage transformer Schneider Electric 07897171EN REV CO 5 General Description Draw out SF circuit breakers SF1 1250 A standard a A u b Ar tee SF2 CEI 1250 A standard
5. Operating Instructions and Initial statuses Removable part The removable part is drawn out Operation should be allowed by means of the locks if fitted The circuit breaker LV auxiliaries are connected and the circuit breaker compartment door is closed Earthing isolator m selector 4 to O earthing isolator open locking pull to disable plug in in unlocked position If the disconnecting switch is key locked optional insert the key in H Lower the protection flap of push button 1 Press push button 1 hold it down to move selector 2 to x S Lift the protection flap of push button 1 Insert the crank in aperture 3 Plug in the removable part by rotating the crank clockwise until status change of position indicator A and locking of crank in rotation Move selector 2 to The removable part is plugged in If a circuit breaker is used the electrical operation for energizing the downstream part of the equipment is now possible 07897171EN 13 Operating Instructions How to draw out the E removable part i em front plate with black background Operation 14 07897171EN REV CO Merlin Initial statuses removable part in plugged in position If the disconnecting switch is key locked optional insert the key in H Lower the protection flap V of push button 1 Press push b
6. Square D 8 Telemecanique Schneider Electric fluair MV distribution Factory built assemblies at your service User Manual F400 cubicle Schneider Electric Contents General description Glossary Cable incoming or outgoing cubicles Bus coupler cubicles Bus riser cubicles Draw out SF circuit breakers Draw out bar bridge Identification How to read the information on the front side Symbols List of optional accessories available with the switchboard Operating Instructions How to extract the removable part How to insert the removable part How to plug in the removable part front plate with black background How to draw out the removable part front plate with black background How to close the MV cable earthing isolator front plate with a yellow background How to open the MV cable earthing isolator front plate with a yellow background How to operate the adjustable voltage transformers Padlocking Key locking Testing Power on on the MV cables Checking phase coincidence between two cubicles Testing MV cables Switchboard dielectric test Testing the current transformers Busbar earthing truck Maintenance Instructions Ordering parts Preventive maintenance Maintenance points Access to top and bottom plug in blocks Access to the voltage transformers Replacing the fuses of the adjustable voltage transformers Replacing the VT position auxiliary contacts Replacing the power on
7. flap upwards until it locks then remove the padlock locking the bottom flap Merlin Gerin Schneider Electric Access to the voltage transformers Caution this operation should preferably be performed with the cable head or busbars de energized according to the type of cubicle For cubicles with internal arc withstand option earth the system then remove the shield Schneider Electric Maintenance Instructions Put the transformers out of operation Once the transformers are out of operation see paragraph how to put VTs out of release without removing them the 2 screws operation that secure cover F in order to lift it C fuses D adjustable voltage transformers Remove the red flap located at the top of the Slide it under cover F compartment Padlock the red flap Remove the top of the compartment KS 07897171EN REV CO 31 Replacing the fuses of the adjustable voltage transformers 32 07897171EN REV CO Maintenance Instructions Access to voltage transformers and VT position auxiliary contacts is then possible To put back into operation proceed in the reverse order Put the VTs out of operation see paragraph how to put VTs out of operation Release the two screws Rotate and remove the fuse Remove the fasteners and bayonet A from the fuse and fit it on the new fuse Fully insert the fuse and rotate Merlin Gerin S
8. position A operating handle in the top position A operating handle in the bottom position B lock B padlock C fuse ends apparent E fuse slot retractable closing flap in closed D fuse extraction slot position D fuse extraction slot Initial status 1 Push the latch to the left Handle A in top position flap E open andfuse 2 Pull the handle ends C apparent indicate that the transformers are out of operation Merlin Gerin Schneider Electric How to put the VTs out of operation Schneider Electric Operating Instructions A 3 Lower the handle Handle A in bottom position and flap E 4 Block the assembly in position by closed indicate that the transformers are in pushing the latch to the right operation 5 Lock with a padlock A Initial status 1 Remove the padlock Handle A in bottom position and flap E 2 Pull the handle closed indicate that the transformers are in 3 Push the latch to the left operation 3 Lift the handle Handle A in top position flap E open and fuse 4 Block the assembly in position by C end apparent indicate that the pushing the latch to the right transformers are out of operation EBS 07897171EN REV CO 19 Operating Instructions Padlocking 6 to 8 mm padlock can be used on the flap opening mechanisms inside the on the plug in disabling selector circuit breaker compartment B on the protectio
9. Led block Replacing the earthing isolator position auxiliary contacts Replacing the removable part position auxiliary contacts Trouble shooting WOW W J 13 14 16 18 20 22 24 24 24 24 25 25 26 28 28 28 28 29 31 32 33 33 34 35 35 KS 07897171EN REV CO 1 2 07897171EN REV CO Schneider Electric General description r LV low voltage VT voltagetransformer G 0554 y MV 36 kV voltage class NVC no voltage check El earthing isolator current transformer or current sensor Abbreviations SF range of SF6 circuit breakers used in F 400 Cable incoming or outgoing cubicles Front side A LV compartment access door removable part compartment access door C removable part position check view ports D removable part interlocking and operating plate E voltage indicators F earthing isolatorinterlocking and operating 2 5 plate F G removable part blocking l Ys Left hand view 1 LV cable routing and connection compartment low voltage compartment busbar compartment MT and VT cable compartment removable part compartment removable earthing isolator earthing isolator operating mechanism voltage transformer rTXxXcCIOP ON Schneider Electric 07897171
10. abling selector F slot for the plug in disabling lock Earthing isolator power on and plug in disabling COOU m Schneider Electric 07897171EN REV CO 7 General Description Symbols in disabling posit x Plug in disabling position Cubicle 54 Operating position Earthing isolator open position Earthing isolator open mechanical indicator Earthing isolator closed position Earthing isolator closed mechanical indicator Padlockable position De Removable part Operating position 3 Plugged in position m Drawn out position Insertion extraction position List of optional m 1 busbar earthing truck optional see m 1 phase coincidence checking device MALT truck on page 26 optional See on page 24 accessories available with the switchboard 8 07897171EN REV CO Schneider Electric Operating Instructions Earthing isolator m selector 4 to earthing isolator open How to extract the removable part Initial statuses Removable part The removable part is drawn out The cubicle is in disconnected position Operation Warning for cubicles with internal arc withstand option loosen the six screws A before operating the handle mm Na Open the access door to the removable par
11. chneider Electric Maintenance Instructions Lock the two screws to the recommended torque Put the VTs into operation see paragraph how to put VTs into operation Replacing the VT position auxiliary contacts Removal Note to access the auxiliary contact block refer to chapter access to voltage transformers A auxiliary contacts For the auxiliary contacts separate the crank on the compartment side and remove the 4 mounting screws Fitting Proceed in the reverse order Replacing the power Led block Removal Extract the removable part from the cubicle Remove the 4 M6 screws on the earthing On the right hand side of the circuit breaker isolator control box side to access auxiliary compartment locate the earthing isolator contacts control box Remove protecting coverA Schneider Electric EBS 07897171EN REV CO 33 Fitting Replacing the earthing isolator position auxiliary contacts Removal Fitting 34 07897171EN REV CO Maintenance Instructions Mark and disconnect the wiring connector Remove the fasteners and free the power on Led block Proceed in the reverse order Extract the removable part from the cubicle Remove the 4 M6 screws on the earthing On the right hand side of the circuit breaker isolator control box side to access auxiliary compartment locate
12. ctions must be tightened by means of a torque wrench complying with the following torques screw torque in Nm o 6 13 8 28 10 50 12 75 14 120 Left hand side A bottom flap latch finger The plug in blocks are accessed by manual opening of the bottom flap the busbar side incoming outcoming cubicle m on the left hand busbar side in a circuit breaker coupling cubicle Right hand side Padlock the opening of the top flap see paragraph titled disabling the opening of a flap of the removable part compartment Right hand side B top flap latch finger The plug in blocks are accessed by manual opening of the bottom flap the MV cable side incoming outgoing cubicle on the right hand busbar side a circuit breaker coupling cubicle Left hand side Using a screwdriver release latch finger A 07897171EN 29 Operating the top flap 30 07897171EN REV CO Maintenance Instructions Push to open the flap After maintenance close the flap by lifting it manually until it locks then remove the padlock locking the top flap Left hand side Padlock the opening of the bottom flap see paragraph titled disabling the opening of a flap of the removable part compartment Right hand side Using a screwdriver release latch finger B Holding latch finger B in position push the After maintenance lower the flap manually
13. draw out of a removable part or of a disconnecting truck 22 07897171EN REV CO CENAD Schneider Electric Operating Instructions Disabling the opening or closing Remove the key s when selector 4 of the earthing isolator Earthing isolator closed is in position opening is then impossible Earthing isolator open Remove the key s when selector 4 is in position closing is then impossible Schneider Electric 07897171EN REV CO 23 Testing Power on the MV cables As soon as the cables have been energized the power on indicator Leds L1 L2 and L3 must come on i Phase coincidence Checking phase UF A UF B the tester lamp does not come on coincidence Phase unbalance between two the tester lamp comes on cubicles Check that power is off The power on indicator Leds are off Close the earthing isolator see chapter titled how to close the El It is recommended to lock it in this position Testing MV cables Voltage injection to MV cables m remove the closing plate from the cable compartment Open the earthing isolator see chapter titled how to open the El then perform the tests At the end of the tests close the earthing isolator m remove accessories close cable compartment m Fasten the in
14. e outgoing cubicles after draw out All circuit breakers in the switchboard can be extracted if necessary Busbar earthing truck F400 complies with the requirements of CEI129 Technical features Rated voltage 36kV Ith i e 25kA 3s i e 31 5 3s Power on device The MALT trucks are planned to be inserted in one of the switchboard cubicles 1250A for the main earthing of the busbars A double lock can be provided with separate Operating mechanisms releasing cams that abut the polarization block located on the cubicle floor Each double lock is then allocated to one of the sets of cubicles L H or R H by means of a central key box Polarization of MALT trucks The purpose of this optional device is to impose the draw out of all circuit breakers in a set of cubicles and of the coupling before plugging in a busbar earthing truck 26 07897171EN REV CO Schneider Electric Schneider Electric Testing Recommendations for operating MALT trucks The plug in of a MALT truck is performed by means of the propulsion mechanism used for circuit breakers crank The closing opening operations of the main contacts are performed manually by the operator with the cubicle MV door open The MALT truck is used in the following conditions possibility of plugging in the MALT truck with the cubicle MV door open or closed the MALT truck only operates the bottom flap of the plug in bells the t
15. fasteners Incorrect cubicle connection m check the connections Connections incorrectly tightened retighten them see tightening torque contact surfaces ill adapted or damaged m change or clean them Anomaly resulting from deformation adjust 07897171EN REV CO 35 Maintenance Instructions Symptoms Faulty devices Possible causes and solutions One of the power on Leds does not come on Led Abrupt handling MV network overvoltage m change the power on block B wiring Faulty m check it See wiring diagram m power on functional unit Capacitor damaged m change the unit m capacitor insulator Insulator capacitor damaged m change insulator Circuit breaker does not close Operation incomplete m refer to the removable part extraction chapter m protection relay Action of a protection m check the relay settings and remove the fault m wiring Faulty m check it by successive eliminations m LV circuit breaker Faults on LV circuit m trouble shooting by successive eliminations m section switch In Out of operation position m close it 36 07897171EN REV CO CENAD Schneider Electric Schneider Group service centers are available for engineering and technical assistance start up training preventive and corrective maintenance adaptation work spare parts Call your sales representative who will put you in touch with your nearest Schneider Group Service Center or call directly Grenoble France on 33 0 4 76 57 60 60 Sc
16. hneider Electric Industries SA As a result of the development of specifications and designs always ask for confirmation of F 38050 Grenoble cedex 9 the information given in this publication Tel 33 0 4 76 57 60 60 Fax 33 0 1 47 51 80 20 eS This document has been printed on co friendly paper http www schneiderelectric com Publication Schneider Electric RCS Nanterre B 954 503 439 Layout Cabinet MARTINEZ SARL NANTES Printed by Cabinet MARTINEZ SARL NANTES 07897171EN REV CO 06 04 07897171EN REV CO 2002 Schneider Electric All rights reserved
17. jection vises to the MV cable fastening terminal pads or to the lugs 24 07897171EN REV CO CENAD Schneider Electric Switchboard dielectric test Testing the current transformers Note to perform this operation refer to the various relevant chapters in this document Schneider Electric Testing This test can be performed in a single operation All circuit breakers must be plugged in and closed with the cubicle doors open Furthermore one of the outgoing cubicles must have its MV cable compartment open for the connection of the test cable 55 mm wedge rum ut H bag Indicator A indicates the status of the circuit breaker or 1 Injection at primaries An injection at the current transformer primaries is possible by access to the fixed plug in blocks located in the circuit breaker compartment Injection at secondaries The tests and settings will be preferably performed by injection at secondaries using the test and injection boxes provided in the LV compartment 1 Extract the removable part 2 Close the earthing isolator 3 Padlock the opening of the bottom flap providing access to the fixed blocks on the busbar side 4 Access the fixed blocks on the current transformer side through the top flap aperture 5 Fitthe injection device between the fixed block primary terminal P1 and the cubicle earth bar which is accessible in the circuit b
18. n rotate it clockwise The earthing isolator is in closed position MV cables are short circuited and earthed Initial statuses earthing isolator closed If fitted lock should allow operation Selector 4 to How to open the MV cable earthing isolator front plate with a yellow background 16 07897171EN REV CO CENAD Schneider Electric Operating Instructions Operation Move selector 4 to eS pulling then rotating it counter clockwise Insert the crank in the operating shaft 5 rotate it clockwise until status change of position indicator E Move selector 4 to O by pulling and then rotating it counter clockwise The earthing isolator is in open position Schneider Electric KS 07897171EN REV CO 17 How to operate the adjustable voltage transformers How to put the VTs in operation 18 07897171EN REV CO Operating Instructions Voltage transformers are operated from the rear of the cubicle They can be in the position in operation primary fuses and transformers connected to MV cables or switchboard busbars or out of operation primary fuses and voltage transformers disconnected Caution for cubicles with internal arc withstand option first remove the panel located at the rear of the cubicle Out of operation position In operation
19. n flap of the removable part mon the adjustable voltage transformers mechanical opening push button operating mechanism on the earthing isolator selector in open or closed position Fit 1 to 3 padlocks on plug in disabling selector D in following position O x Disabling the removable part plug in Fit a padlock on the protection flap of Disabling the mechanical mechanical opening push button 1 opening order of a circuit breaker 2 in operation position 2 co 7 This device can also be used as an additional plug in and draw out disabling system Disabling the opening or closing of the MV cable earthing isolator Earthing isolator open Earthing isolator closed Fit 1 to 3 padlocks on selector 4 in Fit 1 to 3 padlocks on selector 4 in position to disable closing position to disable opening This also disables the plug in of a removable part 20 07897171EN REV CO Merlin Gerin Schneider Electric Operating Instructions Disabling the opening of a flap of the removable part compartment Left hand side Right hand side The plug in blocks are accessed by manual The plug in blocks are accessed by manual opening of the bottom flap opening of the bottom flap the busbar side in incoming the MV cable side incoming outgoing cubicle outgoing cubicle on the left hand busbar side in circuit on the right hand busbar side in a
20. ng correctly m remove dust and clean the inside of the compartment the cable ends and the insulating shields If possible attach a diagram of this manual on which the part is conspicuous Corrosion of unprotected parts m Damage and deformation due to high pressure m Overheating due to solvent on contact areas Elimination of special protections Schneider Electric cannot guarantee the durability and reliability of the equipment subjected to this type of cleaning process even if followed with lubrication Caution should clamps be damaged the corresponding MV fixed block in the cubicle shall be inspected Warning prior to any application remove the old grease Caution for electric contacts do not use grease Kluber Isoflex Topas L152 or equivalent Warning prior to any application remove the old grease Remove dust and clean the inside of the compartment and the plug in insulating parts m slightly lubricate the earthing isolator blades and blocks Kluber Amblygon TA 15 2 or equivalent Warning prior to any application remove the old grease Schneider Electric Busbar compartment Access to top and bottom plug in blocks Opening the flaps Operating the bottom flap Schneider Electric Maintenance Instructions remove dust and clean the inside of the compartment and the insulators m check the behaviour condition and tightening of the busbars Tightening torque The conne
21. reaker compartment Terminal P2 of the transformer is connected to the cubicle earth bars by means of the earthing isolator in closed position Caution the connection accessory must not damage the fixed block coating GILT This preparation requires the manual disabling of interlocking to plug in the circuit breakers with the door open The sequence below must absolutely be followed Position the circuit breaker in drawn out position with the door open Lift and lock the door locking rod by means of a 55 mm high U shaped wedge Plug in the circuit breaker Remove the wedge The manual closing of the circuit breaker by pressing button I is then possible by means of its operating mechanism Changing the winding ratios at the secondary Any change in the winding ratio is performed by access to a specific terminal board inside the low voltage compartment see LV developed diagrams This operation is performed with the transformer primary de energized and earthed by closing of the earthing isolator After testing 1 Remove the injection device 2 Close the top flap 3 Remove the padlock locking the opening of the bottom flap 4 Open the earthing isolator 5 Insert the removable part 07897171EN REV CO 25 Busbar earthing truck Testing The earthing of the busbars of Fluair 400 switchboards in version 2000 is provided by means of circuit breaker type truck positioned in one of th
22. ruck operates the plug in draw out contacts of the cubicle the positioning of closing springs is performed manually by means of the lever opening closing operations are controlled by means of the buttons located on the front panel of the truck the O C buttons are padlockable separately the truck can be inserted with the earthing isolator SMALT closed or open the SMALT remains operable with the MALT truck plugged in the MALT truck is equipped with a separation prohibiting access to energized parts when the truck is plugged in Once plugged in the MALT truck is considered as potentially closed As a result it does not have the following auxiliaries auxiliary contacts indicating the status of the Mean Voltage main contacts electric control systems to ensure the remote opening closing controls low voltage cord connecting the MALT truck to the cubicle LV compartment The O position mechanical indicator of HV contacts is black for OPEN white for CLOSED 07897171EN REV CO 27 Ordering parts When preparing the order refer to this manual supplied with the system to define the equipment desired very precisely Preventive maintenance Before performing any task make sure of the strict compliance with operating and safety instructions Maintenance points Removable part Removable part compartment MV cable compartment 28 07897171EN REV CO Maintenance Ins
23. t Unplug the LV auxiliary connection cord Clip by pulling and then rotating the handle the cable on the circuit breaker rightwards Warning the threshold bar must be removed before extracting the removable part Press push button 1 Hold it down to move selector 2 to position 9 Then extract the removable part by pulling the handles Pull out the removable part threshold bar Schneider Electric 07897171EN 9 Closing the door after extracting the removable part Warning the following steps MUST be followed to allow the door to be closed Warning put back the threshold bar 10 07897171EN REV CO Operating Instructions Before closing the access door to the removable part lower the panel The door closes but does not lock Inside the door pull locking part 1 or lift part 2 1 8 2 Close the door Schneider Electric How to insert the removable part Schneider Electric Operating Instructions 55 88 gp NEN eor gt Open the access door to the removable part by pulling and then rotating the handle rightwards Warning Remove the threshold bar N Insert the removable part in the cubicle
24. the earthing isolator contacts control box Remove protecting coverA TR ee yu 4 777 2 a 1 f bas IN u Shas JE ay en gt Lk D 5 gt x T er pe 2 ls Mark and disconnect the auxili Screws that secure the i SEERA 1 18 ary contact Remove the wiring auxiliary contact support Remove the assembly 21 Proceed in the reverse order Merlin Gerin Schneider Electric Replacing the removable part position auxiliary contacts Removal Fitting Trouble shooting Symptoms Abnormal noise with power on crackling vibrations Excessive overheating at connection points Operation requiring abnormal effort Schneider Electric Maintenance Instructions Extract the removable part from the cubicle Remove the three screws from the cover and Locate the assembly on the internal right the cover itself hand side of the circuit breaker compartment Mark and disconnect the wiring Remove the mounting screws and the contact unit assembly Proceed in the reverse order Faulty devices m insulators metal components upstream or downstream connection connection Possible causes and solutions Damp or dirty clean or dry them Incorrectly fastened m check
25. tructions To order any equipment you must indicate m type of cubicle m manufacturing number engraved on the identification plate located on the left hand panel of the circuit breaker compartment Our equipment is designed to guarantee optimum operation provided that the maintenance instructions described in this manual are strictly adhered to Start each maintenance task with the thorough cleaning of the cubicle The use of pressurized solvent projection as a cleaning process is prohibited The main risks related to this process are as follows m De lubrication of sliding rails and joints life lubricated Extract the removable part see chapter how to extract the removable part Referring to its user manual perform an overall check of the system m clean insulating parts m apply a thin film of grease Kluber Amblygon TA 15 2 or equivalent to the plug in clamps Extract the removable part Check and lubricate pins and joints mechanisms and sliding rails of flaps Kluber Isoflex Topas L152 or equivalent m the earthing plate Kluber Amblygon TA 15 2 or equivalent m the Smalt driving mechanism Kluber Isoflex Topas L152 or equivalent m behaviour at the LV wiring connection points m check behaviour condition and tightening of the connections of the main earth bar earthing isolator braid and MV cables m check the condition of the earthing isolator contacts and that it is operati
26. utton 1 which triggers a circuit breaker mechanical opening order Hold it down to move selector 2 to Q Lift protection flap V of push button 1 Insert the crank in aperture 3 Draw out the removable part by rotating the crank counter clockwise until status change of position indicator A Move selector 2 to 3 D The removable part is drawn out The cubicle is in disconnected position Schneider Electric Operating Instructions How to close the MV cable earthing isolator front plate with a yellow background Operation Schneider Electric Its function closed position it short circuits and earths MV cables making it possible to work on cables in safe conditions it can be closed only if the circuit breaker is in drawn out position or extracted from the cubicle Initial statuses m the removable part has been drawn out or extracted from the cubicle Earthing isolator Check that the Leds L1 L2 L3 are off no voltage The earthing isolator is open 4 The locks if fitted A and B should allow operation Move selector 4 to N pulling then rotating it clockwise Insert the crank in the operating shaft 5 rotate it clockwise until status change of position indicator E 07897171EN 15 Operating Instructions Move selector 4 to to do so pull the
Download Pdf Manuals
Related Search