High-Power 20A GMT Series Fuse Panels
Contents
1. i 0 009000000000000 Oo ET ES O OO OO00000606020001000000P00P000057005005055859 Panel may be flush mounted o00oo00000000000000 60 6 6 0 6 6 6 6 8 6 6 o or extended by up to 2 5 in Oo OG O 0D oO 8 Oo O0 OO oOo o ooo o o Oe o0 OD Ms O O Oo OG O OO O Op O o O0 O o oO 0 0 O BOD 63 5 mm in 0 5 12 7 mm OO0Q0o00000000000000000900009000000900 OOO000000000000000008009000000 05700575 increments O O00 0000000000 0000000 07000o00005000 0 0 000900000005 90 0 O O0 Se cS Nec NeW OO0Qo0000000000000000000000000 900 OO000000000000 90o 000090090009 aC a 0000 7 50 190 5 02. O OO 8 d e O O OO O 00000 O OO 0 0 0000000000000500000000006e 000090000 Q OO O O Oc 00 9 8 0000 O OO OO 00 06 O OO ooo OO 6 9 0 0 ooo 00000 Q O O i O Qoooo0 G O O O OOoO0o0000000000000 000 0 00000000 O O O O O O O OO OQ Oo VO 6 DCO 06 OO 6 oOo 6 0 069 0 0 9 6 OOO 3 0000 O OO 9 O OO O
3. 2 27 57 7 S 1 NEG 48 VDC 5 10 E g 1 5 NEG 48 VDC 10 ZA NEC f Y OO 152 Ege INPUT AE B INPUT 754 MAX PER BUS TORQUE TO 62 IN LBS NO LM OUTPUT 20A MAX TORQUE TO 9 IN L 0 27 6 8 1e ET We b gt AO QS FRR 0 33 8 5 14 0 62 15 9 0 62 15 8 L 0 30 7 5 14 20 Studs amp KEPS Nuts 6 32 Panhead Screws y REAR VIEW ROTATED T Max lug width is 0 54 in 13 7 mm Max lug width is 0 67 in 17 0 mm l Transparent Cover Ll as 9 63 244 5 Panel may be flush mounted or extended by up to 3 in 76 mm in 0 5 in 12 7 mm increments
4. TES FT fh am f 020 fo E I E I SG r4 LUI r4 LLLI r4 r4 ES INPUT 100A MAX PER BUS TORQUE TO 62 IN LBS B SIDE OUTPUT 204 MAX a N LBS SIDE um um i i um j um um mm mm im um y i m i i te H i H i i KA H hey iS iS H H H dim dim et mm dium A 1 5 r4 mm o o m dia dim dim dia r3 1 5 POS RTN 10 Side B Output Terminals CHASSIS Side A Output Terminals Side B Input Terminals er Side A Input Terminals Figure 5 Model 20HPGMTO5BNR Rear View 1 1 2 1 Bay amp Failure Alarm Options The panel is available with alarm relays for standard remote visual audible failure alarms to light lights and sound alarms when either power feed to the panel fails and or any fuse blows Along with the standard alarms Models 2OHPGMTO5BNR and 20HPGMTO5BNR 24 include major minor bay alarms Bay alarms are controlled externally to turn on the panel s Form C relay contacts in circuit with external bay devices or connections Whenever a bay alarm occurs the A POWER LED for a major alarm or B POWER LED for a minor alarm will blink until external control is turned off R V A Model 22HPGMTO5FR includes enhanced power fuse failure No alarms thatreplace the standard failure alarms Where the mo standard failure alarm doesn t differentiate between power C un NO or fuse failure the enhanced power fuse failure alarms differentiate between A POWER B POWER and fuse fai
5. Figure 9 Ground Lug Connection Heat shrink tubing WARNING Before connecting input power cables make sure the input power to the panel is turned off 10 For input wiring a Crimp dual hole compression lugs for 4 in studs on 5 8 in 15 9 mm centers onto suitable copper wires 6 to 1 0 AWG for NEG or POS and RTN terminals Feeds A and B Lug width must not exceed 0 52 in 13 4 mm b Use a coarse nonmetallic cleaning pad to clean Figure 10 Compression Lug Inputs the terminals and studs c Lightly coat anti oxidant on the lugs and input negative and positive terminals d Connect the lugs to Feed A and B input terminals on the back of the panel using the 4 20 KEPs nuts and washers provided as shown in Figure 10 e Use a 16 in 12 mm socket to tighten lugs to 62 in Ib 6 8 Nem Telect Inc All Rights Reserved 130339 7 AO 10 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 11 Make sure the power is off open breaker dummy fuse or vacant fuse holder at power distribution unit PDU before connecting this panel s cables to the PDU 12 Make sure that only dummy GMT fuses are installed in the panel or that the GMT fuse holders are vacant N CAUTION CAUTION Disconnect all inputs before servicing this unit CAUTION For a panel with an input noise filter reversing the input cables between the positive and negative terminals
6. 14 1 3 4 Repacking for Shipment sess specs aceite vide Eed vies 14 T4 PAS GPC es Sa iN EE ED EO EE EE EE EN 14 Teg EIN n PP e ER OE EO EE 16 ES RE ee Bag N e 16 125 2 TRU OME oe AR PE o RO ON 17 DIMENSIONS ae RD ER EE GE Ee De 18 1 6 Certificate of Conformity 19 List of Figures Figure 1 ZOHPGMTOBBNR 1RU Panel Front and Rear View iese ees ee ee see ee see ee ee ee ee ee ee ee ee 1 Figure 2 20HPGMT12R 75 2RU Panel ses seide totis iese ees isd ine id teer 1 Figure 3 Model 20HPGMTO5R Front View ee ee ee ee ee ee 2 As Ara Parel be see NE Ao EI eo DE Ee 5 Figure 5 Model 20HPGMTO5BNR Rear View oocccooccccccnccccnccncnccncnconcncnnnncnnnnononcnnoncnconencnncnos 6 Figure OS ANAT Alarm HOOKUPS NT 6 PURA co i50 AAA ER oi D ee 7 Figure 8 DIMENSIONS ses ee abate EDGE De ee ee AD De peer 9 Figure 9 Ground Lug ui ss Ed cakes ie ie ER W
7. 19 Tighten the screws to 9 in lb 1 0 Nem 20 Connect the other end of the output wires to load 21 Use the pull out designation card at the front of the panel to record outputs as specified by operating company standard operating procedures 22 Make sure the inputs at loads are disabled by removing all power cards or all input fuses at the load equipment Always follow the recommended operating company guidelines when disabling load equipment ALERT Use only UL listed circuit breakers or UL recognized component secondary protection devices 23 Insert the proper sizes of GMT fuses in designated fuse holders using the designation card to identify the circuits If applicable install color coded designation pins to match the fuses 24 Check voltage and polarity at input of loads 25 After you have installed all designated GMT fuses check that the FAIL ALARM LED is still green Again test the alarm relay contacts at R V A F ALM pins on the rear of the panel As before Expect continuity 00 between Terminals C and NC Expect an open circuit 000 between Terminals C and NO Telect Inc All Rights Reserved 130339 7 AO 12 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 26 26 If available replace one of the fuses with a blown fuse and check that the FAIL ALARM LED changes to red Check the R V A F ALM pins again Expect an open circuit 00 between
8. 21 in Ib 2 5 Nem max Screws with cross recessed heads Dimensions nominal without brackets for all but Width 17 in 432 mm 20HPGMT12R 75 amp 20HPGMTO2R Height 1 75 in 44 4 mm Depth 12 in 305 mm Dimensions nominal Width 21 in 533 mm without brackets for 20HPGMTO2R Height 1 75 in 44 4 mm Depth 12 in 305 mm Dimensions nominal without brackets for 20HPG Width 17 in 432 mm MT12R 75 Height 3 5 in 89 mm Depth 7 5 in 190 mm T See Pages 17 and 18 for exact dimensions O Telect Inc All Rights Reserved 130339 7 AO 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT Operating voltage 48 Vdc both sides Current capacity All Except 2OHPGMTO5FR 20HPGMTO5BNR 20HPGMTOBBNR 24 20HPGMTOSFR 20HPGMTOSBNR 20HPGMTOSBNR 24 100A per bus 200A total for dual circuit panels max 75A per bus 150A total for both buses Fuse capacity 20 30 or 40 total both circuits Maximum input interruption device rating 125A for all models except those with noise filters 90A for models with noise filters 2OHPGMTOSNR amp 20HPGMTO5BNR 24 Maximum output interruption device rating 20A GMT fuse Interrupt rating 450A Short circuit withstand current 450A Alarm contact relay 2A Alarm board power rating 9 48 Vdc 1W Panel heat dissipation per
9. 4 Before connecting any conductor use a multimeter to measure the resistance between the input NEG and RTN terminals at the front or rear corners of the panel Expect 500Q or more for both Side A and Side B Telect Inc All Rights Reserved 130339 7 AO 9 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT A WARNING eee WARNING Failure to properly ground this equipment can create hazardous conditions to installation personnel and to the equipment ALERT Only use components and crimping tools approved by agencies or certifying bodies recognized in your country or region such as Underwriter s Laboratories UL TUV etc 5 For ground wiring Use a listed approved crimping tool to attach a listed approved single or dual hole compression lug dual hole is highly recommended suitable for a 10 stud 5mm on 5 8 in 15 9 mm centers onto a suitable ground wire Ground wire can be up to 6 AWG for a single hole lug Conductor size depends on input interruption device Use a coarse nonmetallic cleaning pad to clean terminals and stud s Telect recommends that you lightly coat anti oxidant on the lug grounding screw s and surrounding contacting surface 8 Connect the lug to the rear panel using the 10 screw s AB 5 i o e INC NC provided as shown in Figure 9 s alle HAE C 9 Make sure the input power is off Ad ae No A WARNING
10. Telect Inc All Rights Reserved 130339 7 AO 13 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 3 2 In Warranty Service Contact Telect Quality at 1 509 926 6000 or e mail us at quality telect com Telect will ship a new replacement product along with a return shipping label and authorization information When you receive your replacement product pack up the defective product and return it to Telect using the return label box and any additional information provided 1 3 3 Out Of Warranty Service Follow the In Warranty directions above Telect charges a processing fee for out of warranty service and you must submit a Purchase Order along with a Return Material Authorization RMA before returning equipment The processing fee guarantees a repair estimate and is credited against actual material and labor costs Call Telect Quality at 1 509 926 6000 for more information 1 3 4 Repacking for Shipment 1 Tag the equipment showing owner s name address and telephone number together with a detailed description of the problem 2 Use the original shipping container if possible If you do not have it package the equipment in a way to prevent shipping damage Include the RMA inside the container and legibly print the RMA number on the outside of the package near the shipping address 3 Insure the package 1 4 Parts amp Accessories Table 2 Alarm Boards Alar
11. 100A bus load 1 0W 3 4 Btu hr 0 1 2W 4 1 Btu hr amp 25 4 8W 16 5 Btu hr 50 11 4W 38 7 Btu hr 75 21 3W 72 6 Btu hr 9 10096 Percentage of full load heat dissipa tion at nominal voltage less than 196 of total load wattage Telect Inc All Rights Reserved 130339 7 AO 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 1 2 Standard amp Special Features The following table compares the features of all standard 20HPGMT panels All panels include a rear or front transparent cover and most except as footnoted in the following chart can be mounted in either 19 or 23 racks The paragraphs that follow briefly describe some of the standard and special features included with these panels Table 1 Product Comparison Chart 20HPGMTO5R X 20HPGMTO5FR X X 20HPGMTO5BNR X X X 20HPGMTO5BNR 24 Dual 10 10 X X X 20HPGMT12R 75 Front X Access 2RU 20HPGMTOSR Dual 15 15 X 20HPGMTO2R 23 inch Dual 20 20 X only GMT fuses are available in capacities ranging from 0 18A to 20A A unique feature of the Telect High Power GMT Fuse Panel is that the fuse positions are oriented so the identification flags face down to provide easy location of a blown fuse when the panel is at the top position of a relay rack or bay GMT splash covers are optional for maximum safety when fuses blow Another
12. A and B inputs to 75A maximum for each bus total 150A per panel The fail safe feature also includes the enhanced failure alarms described previously NOTE For the fail safe load sharing to function properly the capacity of each of the user supplied external feeder fuses or breakers must be greater than the total load of the panel s A and B outputs combined For example if the panel s total Load A 10A and Load B 10A then the feeder fuse for Side A and Side B must each be at least 20A up to 125A If the panel goes into Fail Safe mode the lone input terminal can handle up to 150A 1 1 2 3 Power Line Noise Filter The filter characteristics under load are such that high frequency transients are suppressed below effective interference levels for telecommunications equipment used with the panel With this filter option the max capacity of the bus is 75A Typical filter characteristics are 60 Hz 44dB 200 Hz 58dB kHz 96dB 10kHZ 102dB O Telect Inc All Rights Reserved 130339 7 AO 7 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 2 Installation 1 2 1 Rack Mounting Conditions and Considerations Elevated operating temperature If you install this equipment in a closed or multi unit rack assembly the operating ambient temperature of that environment may become higher than room temperature Be sure to install the equipment in an environment that can become no warmer t
13. OO 0060 0000900000000 02000900060900000090000 n n Y Y 2 i 0 12 13 0 0 75 18 9 TOP VIEW OR NEG 48 VDC 5 FAIL SAFE 10 NN O 1 5 9 10 8 H i A amp MELT j A pe B POWER Telect ee i ns d ooo ES 1 25 31 7 1 75 44 5 gt C2 1 o o o o o o o o o 10 ALARM 204 MAX FUSE 1 o o o o 020 z s gt 10 C2 o 1 00 25 4 2 T 17 00 431 8 5 m 19 00 482 6 z 23 00 584 2 e FRONT VIEW O Telect Inc All Rights Reserved 130339 7 AO 17 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 5 3 2RU Dimensions NOTE Dimensions are in in mm
14. Terminals C and NC Expect continuity 0 between Terminals C and NO When finished re install the operable fuse 27 If desired wirewrap the remote external audio visual alarm indicator wires solid copper wires 22 to 18 AWG to the alarm terminals 28 One by one re enable the load equipment and verify proper operation 29 Re install the cover 1 2 4 Replacing the Alarm Board Plastic clips hold the If the alarm LEDs or other alarm functions are not alarm board to the operating properly the alarm circuit board may be front of the panel removed and replaced from the front of the fuse panel You do not need to remove power or otherwise take the fuse panel or the equipment it is feeding out of service to perform alarm board replacement Contact Telect for a replacement alarm board See 1 4 Parts amp Accessories on page 14 When replacing an alarm board ensure that the keyed connector at the rear wall of the panel mates properly with the new board 1 3 Service Figure 11 Replacing the Alarm Board WARNING DISCONNECT ALL INPUTS BEFORE SERVICING THIS UNIT N CAUTION CAUTION Only qualified technicians may install and maintain this product 1 3 1 Owner Maintenance High Power GMT Fuse Panels do not require special preventive maintenance If you encounter technical difficulties please use the online request form at www telect com under Support Technical Support or call Telect directly at 888 821 4856
15. could result in damage to the panel Double check before proceeding to ensure that the NEG or POS and RTN feeds from the PDU are cabled to the proper terminals 13 Enable the fuse or breaker at the PDU 90A or 125A max with or without the noise filter feature respectively to turn on Side A of the panel 14 Check the voltage and polarity at the input connectors of the panel Also check that The A POWER LED on the front of the panel turns on green The FAIL ALARM LED turns green The B POWER LED must remain red 15 On the rear of the panel with A POWER lit normal operation but with the B POWER LED off failure operation test the power fail relays For a panel with standard failure alarms test across the remote R visual V and audi ble A pins When testing Expect an open circuit O0 between Terminals C and NC Expect continuity 0 between Terminals C and NO For a panel with enhanced failure alarms included with fail safe feature test at A PWH B PWR and F ALM pins When testing the A PWR and F ALM pins Expect continuity 00 between Terminals C and NC Expect an open circuit 000 between Terminals C and NO Conversely when testing the B PWR pins Expect an open circuit 000 between Terminals C and NC Expect continuity 0 between Terminals C and NO 16 Repeat Steps 13 to 15 for Feed B and watch to make sure the B POWER LED turns green Also across all sets of
16. safety standards Dummy GMT fuses are provided for all fuse holders Holes provided in chassis for inserting colored fuse designation pins All 20HPGMT panels are NEBS Level 3 and CE certified Fire rating UL 94V 0 and or VW 1 for wiring All models except 2OHPGMTO5R are recognized by UL for USA and Canada 20HPGMTOBR is UL listed for USA and Canada Telect Inc All Rights Reserved 130339 7 AO 1 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT Special features include Bay Alarm Circuitry 2OHPGMTOSBNR and 220HPGMTO5BNR 24 Fail Safe Circuitry G0HPGMTOSFR only load sharing permits either feed to power all loads if the other feed fails Noise Filter Circuitry 2OHPGMTOSBNR and 20HPGMTO5BNR 24 Telect s High Power GMT Series Fuse Panels use discrete not modular GMT fuse holders to limit heat buildup when using 15A and 20A GMT fuses Discrete GMT Fuse Holders Replaceable Alarm Card NEG 48 VDC Pd m un d PIN ed A 4 4 d d y 4 d d d d d B I 1 iW o o Q O o de o Q o o o o o Q o a 5 1 5 10 go o o Holes for Designation Pins Pullout Circuit Designation Card Figure 3 Model 20HPGMTO5R Front View 1 1 1 Specifications Environment Specifications Temperature range 5 C to 55 C 23 F to 131 Humidity 5 to 85 and noncondensing Altitude range 197 ft to 1
17. 0000909000O0000o00000090000000000600 0 i 0000705 OG oO 6 O86 DAS OOODOOD 00 00000 OCS 5 OO OO 00 Oo0 0 0 00 SO 6 6 o0 Oo 0o 990 O9 GOOD 00 00 O0 O0 0 50 O0 505 oo CO 000 0 0 00 o0 0 0 5 0 Oo 0 0 0 0 OO 0 o0 500009000 0 cU o 6 oe OC GO o OD 0 Do 0000000 0030000000605 J i O 0 OCH CeO 0OOO0000070700000000000000 OoOoo0000000000000000705705 0200000057000m 0 0 0 0 9 0 0 0 0 6 6 1 OOG 9 0 0000000 OOOO A rw 20000000950060000000092900000000000 2 50 63 5 N ad i E i 0 12 3 0 NN r 7 2 44 61 9 E Transparent Cover Over Terminals Only Bottom Half of Front TOP VIEW 23 00 584 2 19 00 482 6 17 00 431 8 aa O NEG 48 VDC E O s CO gal ll us A POWER E POWER Tel ct MIN 1 o m E mm A o o o 1 ALARM SA MAXFUSE Go E E E ECT E 0 98 25 0 MEE 2 95 75 0 3 48 88 4 i pO SSO EER e POE aa neo a 2 i INPUT INPUT 100A MAX PER SIDE TORQUE TO 62 is NO t OUTPUT 15A MAX TORQUE TO 9 IN LB AOOTEEEBPEEP i 6 eee eee s CO Liye WER 40 k 3 1 5 POS HIN 10 O 0 27 6 8 0 62 15 9 0 33 8 5 0 62 15 8 0 26 6 6 14 20 Studs amp KEPS Nuts 10 32 Panhead Screws 6 32 Panhead Screws
18. 3 100 ft 60 m to 4000 m Acoustic noise O dBA above ambient Fit amp Finish Specifications Material Cold rolled steel powder coat telephone grey baked Custom color finish available polyure thane Clear polycarbonate protective terminal cover Weights Approximate Specifications Weight 8 to 12 Ib 3 5 to 5 5 kg depending on model Telect Inc All Rights Reserved 130339 7 AO 2 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT Input terminals Compression otud 4 20 with nut Use A16 in 12 mm socket Lugs Dual hole compression lug s in center to center 0 516 in 13 4 mm max lug width Cable Up to 1 0 AWG copper depending on input interruption device Torque 62 in Ib 6 8 Nem max Output terminals Screw 6 Phillips panhead Wire binding Compression Wire 14 to 22 AWG copper wire Lug 10 to 22 AWG copper wire Spacing 3 8 in 9 5 mm centerline with barrier distance of 0 260 in 6 6 mm Torque 3 9in Ib 1 0 Nem max Alarm terminals Wire Wrap 0 045 in square wirewrap pins on 0 156 in centers Use 18 to 22 AWG copper Ground terminals Screws 2 10 Phillips panhead Lugs Single or dual hole compression lug s in center to center Dual hole lug is recommended Cable Up to 6 AWG copper for single hole lug Conductor size depends on input interruption device Torque
19. ERT Install this product within a restricted access location where access is through the use of a tool lock and key or other means of security and is controlled by the authority responsible for the location Only qualified technicians may install and maintain this product ALERT Verify all connections meet requirements specified in local electric codes or operating company guidelines before supplying power Protect this equipment with a fuse or breaker sufficient to interrupt power levels specified under Electrical Specifications on page 2 ALERT Each panel is tested at the factory Telect recommends however that you perform the testing outlined in the following installation procedure to ensure that no damage has occurred during shipping and handling Both Sides A and B input circuits need to be tested Except for Dual Circuit 20 20 GMT Panels brackets are provided for either flush or extended EIA or WECO mounting in a 19 in or 23 in rack Mount the Dual Circuit 20 20 GMT Panels to a 23 in EIA or WECO rack 1 Locate an unused rack position and mount the panel using the four 12 24 thread cutting screws washers and star washers provided Figure 8 shows the hole locations 2 Tighten screws to 35 in Ib 4 29 Nem MOUNTING BRACKETS FRONT OR REAR PANEL 3 for FFA 13 4 3 1 2 for FFA 1 19 RACK 19 OR 22 gt 3 23 RACK Figure 8 Mounting Dimensions 3 Remove the see through cover
20. High Power 20A GMT Series Fuse Panels Power 20HPGMTXX User Manual 11111 Applys to 20101 105 20HPGMTOSFR 20HPGMTOSBNR 20HPGMTOSBNR 24 20HPGMT12R 75 20HPGMTO3R 20HPGMTO2R O Telect Inc All Rights Reserved 130339 7 AO 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT Table of Contents A AE ON 1 ad Ue pS e AP 2 1 1 2 Standard amp Special Features mesita ideal 5 1 1 2 1 Bay amp Failure Alarm Options sier ees Laid ie 6 1 122 LS oa 7 1 1 2 3 Power Line Noise Filter segs sn EE ee De ee ee Poe 7 1 2 A PP 8 1 2 1 Rack Mounting Conditions and Considerations 8 1 2 2 WG ole es AE EE EE EE oa 8 la 1 Hie Panel es RS EE REG EE EDGE Ee ee Ee 9 1 2 4 Replacing the Alarm Board ees se se ee ee AE ee Ee AE ee nennen 13 SE EE N OO OR EE 13 1 3 1 Owner Maintenance ssi essai it bass 13 1 8 2 HRV ANVIL oo PP Ek AR o A 14 1 3 3 Out Of Warranty Service ee iss termo sed de Eise ie es An Re ME ee is Ge
21. Max lug width is 0 54 in 13 7 mm Max lug width is 0 67 in 17 0 mm FRONT VIEW Telect assumes no liability for the application or use of these products Neither does Telect convey any license under its patent rights or the patent rights of others This document and the products described herein are subject to change without notice Telect Inc All Rights Reserved 130339 7 AO 1 509 926 6000 telect com 18 Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT US Conformity Assessment Body Certificate of Conformity No 174 0923 1 0 Upon assessment of Technical Construction File 174 0923 1 0 TCF it has been determined that the Hendry Telephone Products Power Distribution and Fan Panels conform to the protection requirements set out in article 4 of EMC Directive 89 336 EEC as per EN 55022 94 with Al 95 amp A2 97 class A EN 61000 3 2 95 EN 61000 3 3 95 EN 300 386 V1 2 1 00 03 and ETS 300 132 2 and in accordance with the Agreement on Mutual Recognition between the United States of America and the European Community Sectoral Annex for EMC this U S Conformity Assessment Body hereby certifies attestations of compliance to the EMC requirements so demonstrated Steven C Halme Sr Program Manager EMC Engineer 714 879 6110 714 879 6110 Fullerton CA USA 9 32 0 Fullerton CA USA POT date signed date Signe National Technical ystems 1536 E Valenci
22. a Drive Fullerton CA USA 92831 4797 Tel 714 879 6110 Fax 714 879 6117 Telect Inc All Rights Reserved 130339 7 AO 19 Te 1 509 926 6000 telect com elect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT This page intentionally left blank Telect Inc All Rights Reserved 130339 7 AO 20 1 509 926 6000 telect com Telect
23. alarm pins Expect continuity 00 between Terminals C and NC Expect an open circuit 000 between Terminals C and NO 17 For output wiring do either of the following If using lugs strip off 9 a in 10 mm of insulation from one end of the copper output wires and then crimp on ring or forked single hole lugs as required by NEC Screw terminals will accommodate lugs for up to 10 AWG If using bare wire strip off 5 8 in 15 mm of insulation Stranded wires should be tinned Telect Inc All Rights Reserved 130339 7 AO 11 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT ALERT GMT fuses have a small inherent electrical resistance resulting in a small inherent power loss For this reason the GMT fuse manufacturer recommends that the load for GMT fuses up to and including 7 5A not exceed 80 of the fuse rating and that the load for GMT fuse sizes 10A 15A and 20A not exceed 70 of the fuse rating For example the load for a 15A GMT fuse should not exceed 10 5A 15A x 0 70 10 5A Total load for all fuse outputs on each side must not exceed 100A for a panel without the fail safe feature or 75A for a panel with the fail safe feature 18 Telect recommends that you lightly coat anti oxidant on lugs wires and output negative and positive terminals before connecting the lugs wires to outputs NEC specifies only one lug wire and load for each output terminal
24. han the manufacturer s specified maximum ambient temperature Tma Reduced air flow Make sure the air flow around the equipment in a rack is enough for safe operation of the equipment Mechanical loading To prevent an accident make sure the equipment load is even Circuit overloading To prevent problems with the over current protection and supply wiring take care not to overload the circuits Pay attention to equipment nameplate ratings Reliable earthing Maintain reliable earthing of rack mounted equipment Pay attention to supply connections as well as direct connections to the branch circuit i e use of power strips Disconnect device Incorporate an easy to reach disconnect device in the building s installation wiring 1 2 2 Inspection Please read and understand all instructions before beginning installation If you have questions contact Telect Technical Support at Support telect com or call 1 509 926 6000 When you receive the equipment carefully unpack it and compare it to the packaging list Please report any defective or missing parts to Telect Quality at quality telect com or call 1 509 926 6000 Telect is not liable for transit damaged If the product is damaged please report it to the carrier and contact Telect Quality Telect Inc All Rights Reserved 130339 7 AO 8 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 2 3 Installing the Panel AL
25. lures NC O O NC C O O O C al EX NO o O O NO Al R Vv A De m E U M S D TN O U R i T A B 7 E L L E Figure 6 Standard Alarm Hookups Telect Inc All Rights Reserved 130339 7 AO 6 1 509 926 6000 telect com lelect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT A B F NC NC C C NO NO PWR ALM Maj In Maj RTN Min In n AB FUSE Maj NC Min RTN Min NC E E i E A di xterna xterna Alarm iis o a de a Alarm Device Device PWR PWR A B FUSE Vdc Vdc NC NC B C gt External External Bay Alarms 20HPGMTO5BNR due amp 220HPGMTO5BNR 24 RTN Vdc dc 7 Enhanced Alarms 20HPGMTOSFR Figure 7 Alarm Hookups 1 1 2 2 Fail Safe Circuit Schottky diodes are cross connected at the input to the power distribution circuits When both power supplies are energized in a dual circuit panel power is balanced between the two supplies by the diodes If one power supply loses its power or is shut down the other supply shares its power with both outputs A and B through the Schottky diodes The battery return circuits for A and B are common since both circuits must operate from either the A or B power source The fail safe feature reduces the
26. m Board for Dual Circuits Standard 16188F01 Table 3 GMT Fuses 0 18A Yellow YEL 130781 102435 21 Y4A Violet VIO 100151 102435 2 A Red RED 004001 102435 5 74A Brown BRN 004008 102435 7 Telect Inc All Rights Reserved 130339 7 AO 14 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Table 3 GMT Fuses Models 20HPGMT 1A Gray GRY 100991 102435 8 11 3A White WHT 004006 102435 9 11 2A White Yellow WHT YEL 004011 102435 10 2A Orange ORN 004002 102435 11 2 5A White Orange WHT ORN 130783 102435 12 3A Blue BLU 004012 102435 13 3 5A White Blue WHT BLU 130782 102435 14 4A White Brown WHT BRN 004013 102435 15 5A Green GRN 004014 102435 16 71 2A Black White BLK WHT 004010 102435 17 10A Red White RED WHT 004015 102435 18 12A Yellow Green YEL GRN 102287 102435 19 15A Red Blue RED BLU 102288 102435 20 20A White Green WHT GRN 127240RC 102435 22 Dummy Fuses 132748 GMT Safety Covers 116915 Medium duty GMT fuse puller 06113 03 Table 4 Dual Hole Compression Lug Part Numbers vs Input or Ground Wire Size For 14 in Studs on 5 8 in Centers T amp B 54206 54205 54850BE T amp B Die T amp B Die T amp B Die Code 29 Code 24 Code 21 Burndy YA25L2NT14E1 YA2CL2NT14 YAACL2TC14 YAGCL2TC14 YA8CL2TC14 YAV10 Burndy Die Burndy Die Burndy Die Bur
27. ndy Die Burndy Die 21C14 Code 12 Code 10 Code 8 Code 7 Code 9 Panduit LCDN2 14AQ LCD6 14A L LCD8 14A L LCD10 Panduit Die Panduit Die Panduit Die 14A L Code 33 Code 24 Code 21 Burndy Die Burndy Die Burndy Die Code 10 Code 7 Code 9 a 6 AWG lug can be used for dual hole grounding as well Telect Inc All Rights Reserved 130339 7 AO 15 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT Table 5 Single Hole Ring Lug Part Numbers vs Output Wire Size For 6 Panhead Screws 22 18 AWG 22 16 AWG 16 14 AWG 12 10 AWG AMP 51863 51863 320619 329697 Panduit PN18 6R M PN14 6RN M 1 5 Diagrams 1 5 1 Block Diagram A POWER OUTPUT BATTERY A POWER OUTPUT B BATTERY B Figure 12 Power Battery Return and Fuse Circuit Telect Inc All Rights Reserved 130339 7 AO 1 509 926 6000 telect com 16 Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 5 2 1RU Dimensions NOTE Dimensions are in in mm 10 32 Panhead Screws are Included
28. u Ee Seda oma EN ese ti 10 Figure 10 Compression Lug INDUSEER Sug 10 Figure 11 Replacing the Alarm Board sessie dist se asie ese i 13 Figure 12 Power Battery Return and Fuse Circuit ees see ee RE Ee ee ee ee ee EE ee ee ee 16 Telect Inc All Rights Reserved 130339 7 AO ii 1 509 926 6000 telect com Telect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT 1 1 Overview Telect s High Power 100A GMT Series Fuse Panels provide protected secondary distribution of 48 VDC power to telecommunications equipment at the bay level 20HPGMTOBBNR 24 is 24VDC Fuse panels are available for GMT outputs up to 20A per position in dual circuit 10 10 15 15 and 20 20 panel configurations Standard features include Dual circuit 100A input buses 48 VDC 20HPGMTO5BNR 24 is 24VDC Discrete GMT fuse positions 20A capacity w o fuse management for heat dissipation Alarm circuit board replaceable with panel in Figure 1 20HPGMTOSBNR 1RU Panel service hot swap Front and Rear View Minimal rack space one 1 75 EIA or 2 WECO rack unit 1RU for rear access connections 2RU for total front access of dual circuit 10 10 configuration GEER S666 el i 19 or 23 rack mounting with mounting brackets provided Dual Circuit 20 20 Panel 2OHPGMTO2R requires a 23 in rack Figure 2 20HPGMT12R 75 2RU Panel Transparent terminal cover meets electrical and equipment
29. unique feature of the GMT panels is a small hole below each fuse position to accommodate color coded optional designation pins Designation pins are useful for quickly identifying required fuse positions and rating of the fuses The panel is delivered with dummy fuses in all positions The standard front panel includes dual color LEDs for power and failure alarms on the face of an easily removable replaceable alarm card The POWER LEDs are green when power is on and red when power to that side goes off UA The FAIL ALARM LED is green when all installed us ere fuses are OK and red when any installed operable fuse blows A POWER B POWER Below the LEDs and alarm card is a pull out circuit Mi 20A MAX FUSE designation card accommodating up to 40 circuit des EE none mde Figure 4 Alarm Panel Telect Inc All Rights Reserved 130339 7 AO 5 1 509 926 6000 telect com lelect High Power 20A GMT Series Fuse Panels Power Models 20HPGMT The back panel of the 1RU panels contains input and output terminal connections NEG or POS connections at the top RTN connections below chassis ground connections and wirewrap pins for external alarm hookups Wirewrap Pin Arrangements for External Alarm Hookups Bay Alarms Standard Alarms NEG 48 VDC NEG 1 5 i imal m fan imal u ARBRE os pa t4 LJ t3 LEI tm t4 PUT 2 TORQUE TO 9 IN LBS AVES EE 1 EG 48 10 NEG wig mm ma
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