50A Dual-Feed 5/5 GMT Total Front Access Fuse Panel
Contents
1. 0 O b GMT Fuse Figure 13 Installing GMT Fuses Telect 6 6 0000 15A x 70 10 5A The TOTAL LOAD FOR ALL FUSE OUTPUTS ON EACH SIDE must NOT exceed 50A 26 Make sure load devices are off disabled and then install the GMT fuses Remember to install the GMT fuses so that the failure indication flags are at the bottom as shown in the following illustration 27 Test power and polarity at input of each equipment load 28 If possible replace one of the operable GMT fuses with a blown fuse to verify that the FUSE Alarm LED and FUSE ALM terminals are also as specified above 29 Re install the operable GMT fuse before proceeding 30 If desired connect the remote external audio visual alarm indicator wires solid or tinned wires 22 to 18 AWG to PWR ALARM and FUSE ALM terminals 31 Enable the equipment loads one at a time to verify proper operation of loads This procedure is complete Telect Inc All Rights Reserved 131927 70 1 509 926 6000 telect com 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 1 5 Accessories The following lists optional and replacement items for the panel For compression lugs please refer to Wire Sizing amp Label Convention Chart Telect Part No2. RIN 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 131927 70 12 1 509 926 6000 telect com Telect
3. 117995 included with your panel WARNING Use only UL listed fuses or UL recognized component secondary protection devices For dummy fuses order part number 132748 For GMT safety splash splatter covers order part number 116915 Telect recommends using only UL recognized supplementary protectors 102435 21 102435 2 102435 5 102435 7 102435 8 102435 9 102435 10 102435 11 102435 12 102435 13 102435 14 102435 15 102435 16 102435 17 102435 18 102435 19 102435 20 54204 T amp B Die Code 49 LCD8 10A L Panduit T amp B Die Code 21 Burndy Die Code 49 YA8CL2TC10 Burndy Die Code 49 Telect 130781 100151 004001 004008 100991 004006 004011 004002 130783 004012 130782 004013 004014 004010 004015 102287 102288 Table 1 GMT Fuses 18A Yellow YEL A Violet VIO A Red RED 34 Brown BRN 1A Gray GRY 11 3A White WHT 1 2A White Yellow WHT YEL 2A Orange ORN 2 5A White Orange WHT ORN 3A Blue BLU 3 5A White Blue WHT BLU 4A White Brown WHT BRN 5A Green GRN 7 2A Black White BLK WHT 10A Red White RED WHT 12A Yellow Green YEL GRN 15A Red Blue RED BLU Table 2 Input Lugs for Stranded Copper Conductors Straight Dual Hole Lugs for 10 Studs on 5 8 Centers T amp B 256 30695 1183 T amp B Die Code 24 Panduit LCD6 10A L Panduit T amp B Die Code 24 Burndy Die Code 7 Burndy YA6CL2TC10 Burndy Die Code 7 Telect Inc All
4. 6000 telect com lelect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 1 7 Schematic Barr INPUT A O x C GND 1 CoN QI 2 3 GMTOUTPUTA 1 7 BATT 4 N 5 ry gt e S 1 2 e 3 GMTOUTPUTA 4 RTN INPUTAPWR 0 PWR FAIL S 5 FUSE ALARMA ALARM PCB FUSE ALARMB NC Nr D C FUSE ALARM NO ea 92 GMT OUTPUT B eV 3 RTN 4 e S 5 6 2 s GMT OUTPUT B 1 Q 3 BATT Le 4 5 O Batt INPUT B
5. Rating Alarm Wire Size Alarm Terminals Amphenol Type Connector Unshielded 64 Pins Environmental 10 C 14 F to 55 C 131 F Operating Temperature Range Specifications 17 25 x 1 75 x 2 in 438 x 44 x 50 mm See Page 11 for details 3 6 lb 1 6 kg 4 0 Ib 1 8 kg Steel grey powder coat Wall or EIA Rack 19 in and 23 in Physical Nominal Width x Height x Depth Weight Installed Weight Shipping Material amp Color Mounting Options Specifications 1 4 20 stud Torque KEPS nut using 7 16 in socket to 20 in lb 2 3 Nem Telect Grounding Chassis GND Terminal Studs With KEPS Nuts for Single Hole Compression Lug Telect Inc All Rights Reserved 131927 7 A0 1 509 926 6000 telect com 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 1 4 Installation ALERT 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 personnel may install and maintain this product ALERT Verify that 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 Inputs on the
6. Rights Reserved 131927 70 10 1 509 926 6000 telect com 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 1 6 Assembly Drawing OD 0 25 6 4 Lug must be no wider than 0 50 in 12 8 mm CD fo B MAX 50A oy 468 VDC 8 N KEPS Nuts amp Washers 0 63 15 9 10 32 Studs with e 9 e e 9 e 3 Slot Head Screws 1221222 12221212 GMT TYPE FUSE ONLY 15A MAX PWR 0 FUSE ALM __PWR FAIL NO CINC NO C NC 0 19 4 8 6 TOP VIEW 17 25 438 2 18 31 465 1 19 00 482 6 FRONT VIEW FUSEO 2 222 PWRC M5 Ground Stud with KEPS Nut amp Washer A 6 32 Slot Head Screws 606966 Telect S OH e e eo 9 0 321671 GMT TYPE FUSE ONLY 15A MAX DE OZB 9 9 9 ATT NOTE All dimensions are in in mm 2 1 98 soa i 2 88 73 2 1 72 43 7 1 25 31 8 O Telect Inc All Rights Reserved 131927 7 A0 11 1 509 926
7. 50 Dual Feed 5 5 GMT Total Front Access Fuse Panel Power GMTOSFA User Manual Applys to GMTO5FA Telect Inc All Rights Reserved 131927 7 A0 1 509 926 6000 telect com Telect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA Table of Contents EO EEE 3 eee 4 Rack mounting CONSIderANONS 1 2 EEE 4 ET 5 060111689110118 1 3 6 11 819 31101 1 4 6 0118 10618110118 118913 89110117 1 4 1 1 4 2 Mounting the PATES SR 7 VDA een 12 1 6 Assembly Drawing EEE EE 13 SE ee 14 List of Figures Figure 1 Brackets Oriented for Wall Mounting 3 Figure 2 Brackets Oriented for Rack Mounting 3 Figure 329 RANN En Ear iia 7 Figure MO Rack MOUNU face on 7 Figure 5 19 Rack Mount FIush sn 7 Figure 6 23 Rack M
8. Reserved 131927 7 A0 8 1 509 926 6000 telect com Telect 50A Dual Feed 5 5 GMT TFA Fuse Panel Figure 12 Output Connections Power Model 22 For GMT output wiring use 24 to 14 AWG copper wire Work with one wire at a time At this end of the wire either e Crimp a single hole ring or fork lug as required by NEC OR Strip 3 8 in 10 mm of insulation for a bare wire connection 23 Clean the panel terminals and lug if applicable with a nonabrasive non metallic cleaning pad 24 If required lightly coat anti oxidant on lug wire and output BATTERY and RETURN terminals and then connect to the terminals NEC specifies only one load at each output terminal 25 Tighten the panhead screws to no greater than 8 in lb 1 Nem and then connect the other end of the output wire to load 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 between 10A and 15A not exceed 70 of the fuse rating For example the load for a 15A GMT fuse should not exceed 10 5A Holes are for Colored Fuse Designation Pins 2 0 Dummy Fuse 4 2 f oo0oo0oo0000 O gt g O oooooooe
9. ck mounting locate an unused EIA rack position normally at the top of the rack Mount the panel to the rack using the four 12 24 thread cutting screws and washers provided as shown on the right Tighten the screws to 35 in Ib 4 29 Nem C7 For wall mounting use four appropriate fasteners and anchors if needed along with the 12 washers provided HS le gt C7 Figure 7 Rack Mounting It is best to mount the panel on a plywood board that has been securely anchored to the wall If you mount the panel on a metal strut in a cabinet or onto other metal objects make sure to ground the metal object along with the panel 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 Figure 8 Wall Mounting Telect Inc All Rights Reserved 131927 70 6 1 509 926 6000 telect com lelect 50A Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 3 Use a listed approved crimping tool to attach a listed approved single hole compression lug for a 10 stud onto 14 AWG ground wire Figure 9 Ground Lug Co
10. nnection 4 If desired highly recommended lightly coat anti oxidant on lug grounding terminal and surrounding contacting surface 5 Connect the lug using the M5 KEPS nut provided as shown on the right Tighten the KEPS nuts to 20 in lb 2 3 Nem 6 The installer should verify that a readily accessible 60 amp maximum overcurrent protection device is part of the building installation wiring feeding the fuse panel 7 Make sure the input power is OFF open breaker dummy fuse or open fuse holder at power distribution unit PDU before connecting this panel s input cables to the PDU A WARNING ee WARNING Before connecting input power cables make sure input power to panel is turned off 8 For input wiring wiring used as inputs to this distribution panel crimp the dual hole compression lugs onto 10 to 6 AWG conductors min 8 AWG for a 50A feed 9 Insulate the lug barrels with UL94 rated heat shrink tubing fi Fr Dummy Fuses Figure 10 Input Connections O Telect Inc All Rights Reserved 131927 7 A0 7 1 509 926 6000 telect com lelect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA Remove pull off the input terminal covers Clean terminals and lugs with a nonabrasive nonmetallic cloth or pad If desired highly recommended lightly coat anti oxidant on lugs terminals and contacting surfaces and then connect lug
11. on easier especially on tall racks Holes for color coded fuse designation pins are located above each fuse position Telect Inc All Rights Reserved 1319027 70 1 509 926 6000 telect com Telect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA Other features include power and fuse fail LEDs for each feed plus dry Form C alarm connections for both power and fuse failures Visit our website telect com or see Page 10 to order GMT fuses and fuse designation pins GMTO5FA is listed by UL for USA and Canada and NEBS Level 3 certified 1 2 Rack mounting Considerations 1 Elevated Operating Ambient If the equipment is installed in a closed or multi unit rack assembly the operating ambient temperature of the rack environment may be greater than room ambient Therefore give consideration to installing the equipment in an environment compatible with the maximum ambient temperature Tma specified by the manufacturer 2 Reduced Air Flow Installation of the equipment in a rack should be such that the amount of air flow required for safe operation of the equipment is not compromised 3 Mechanical Loading Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven mechanical loading 4 Circuit Overloading Consider the connection of the equipment to the supply circuit and the effect that overloading of the circuits might have on overcurrent protection and supply
12. ount FluSh eranernannrvnnnrvnnrnvnnnvnnnnennanennnnernanernnnernnnennnnvnnnenennenennenennenens 7 Figure 7 Rack Mounting nee ae to nai assessment tatin 8 Figure 8 Wall 1 8 8 Figure 9 Ground LUG Connection sisi 9 Figure 10 Input Connections een 9 Figure 11 Status LEDs amp Alarm Terminals 10 Fig r 12 OO NE NN 11 Figure 13 Installing GMT FUSES se 11 Telect Inc All Rights Reserved 131927 70 1 1 509 926 6000 telect com Telect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 1 1 Overview JG EA EA 2 s Figure 2 Brackets Oriented for Rack Mounting Telect s 50A Dual Feed 5 5 GMT Total Front Access Fuse Panel is a compact 1RU EIA panel enabling 24 and 48 Vdc power protection for a variety of local remote central office datacenter and cell tower telecommunications equipment The panel provides total front access to inputs outputs alarms LED indicators and fuses Its small form factor less than 2 in 50 mm in depth makes it ideal for mounting to either front or rear rack flange Re orient mounting brackets to install on a wall Each of the 50A feeds provides power for up to 5 GMT protected loads of up to 15A each The GMT fuse blocks are mounted upside down so that the GMT indicator flag flips downward when activated making identification and detecti
13. preceding table of specifications 1 4 1 Installation Considerations Please read and understand all instructions before starting 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 131927 70 4 1 509 926 6000 telect com lelect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA 1 4 2 Mounting the Panel NOTE Panel brackets provide flush or extended mounting on an EIA 19 in or 23 in rack The mounting brackets also allow for flush or extended mounting on a wall Procedure steps 1 Install the brackets using the four screws included with brackets as shown in the following illustrations 2 Mount the panel using the screws provided as shown Figure 3 23 Rack Mount Figure 4 19 Rack Mount Extended or Wall Mounted Extended or Wall Mounted Figure 6 23 Rack Mount Flush Figure 5 19 Rack Mount Flush Telect Inc All Rights Reserved 1319027 70 5 Te 1 509 926 6000 telect com elect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA e For ra
14. s to input terminals on panel Torque the KEPS nuts to 20 in Ib 2 3 Nem Re install the input terminal covers Make sure the GMT fuse positions are either empty or contain dummy fuses phoney inoperative all plastic slugs Enable the fuse or breaker at the PDU 60A max to turn on Feed A to Side A of panel and then check voltage and polarity at input connectors of panel Also check that 10 11 12 13 14 15 16 PWR A LED on front of panel turns ON green PWR B and both FUSE LEDs must be OFF With PWR A lit green for normal operation but with PWR B LED off test power fail relay and contacts at PWR FAIL terminals on panel 17 Expect an open circuit 000 between Terminals C and NC e Expect continuity 0Q between Terminals C and NO Test the fuse alarm relay contacts at FUSE ALM terminals 18 e Expect continuity 0Q between Terminals C and NC Expect an open circuit 000 between Terminals C and NO Repeat Steps 16 and 17 to power up Side B 19 PWR A and PWR B must both be green With PWR A and B lit test power fail relay and contacts at PWR FAIL terminals 20 Expect continuity 0Q between Terminals C and NC Expect an open circuit 0 between Terminals C and NO Make sure none of the fuse positions contain real operable fuses am lelect gt www telect com 7 Figure 11 Status LEDs amp Alarm Terminals 21 Telect Inc All Rights
15. wiring Use appropriate consider ation of equipment nameplate ratings when addressing this concern 5 Maintain reliable earthing of rack mounted equipment Pay particular attention to supply connections other than direct connections to the branch circuit e g use of power strips 1 3 Specifications Voltage amp Range 20 VDC to 60 VDC 20 C 22 VDC to 58 VDC 55 C Max Input Load Rating 50A Max Power Dissipation at Full Load 11W per side of Full Load Power Dissipation less then 1 Max Input Interruption Device 60A Input Terminals Dual M5 studs on 5 8 in centers Torque KEPS nut using 5 16 in or 8 mm socket to 20 in Ib 2 3 Nem Input Wire Size 8 AWG for a 50A feed Telect Inc All Rights Reserved 131927 70 2 1 509 926 6000 telect com Telect 50 Dual Feed 5 5 GMT TFA Fuse Panel Power Model GMTO5FA Specifications 15A 12A continuous 50A 10 Pairs of 6 32 panhead compression wire binding terminals 26 to 14 AWG depending on output fuse 1 4A to 15A Outputs Max GMT Output Fuse ea Max GMT Output Load ea Max Total GMT Output Per Side Output Terminals GMT Output Wire Size Range Alarms Specifications Dry Form C contacts 1A 30 Vdc 924 24 mA 0 58W 48V 48 mA 2 30W Up to 16 AWG 3 panhead screws with wire binding plates Environmental Specifications Alarm Relay Contacts Max Alarm Power
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