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High-Power GMT Series Fuse Panels

Models 0HPGMT Installation Guide

1.6 Service

High-Power GMT Fuse Panels do not require special preventive maintenance.

WARNING! ALL INPUTS MUST BE DISCONNECTED BEFORE SERVICING THIS UNIT.

1.7 Block Diagram

E
G

BATTERY

Figure 10 - Power, Battery Return and Fuse Circuit

WARNING

POWER OUTPUT

RTN OUTPUT

N
E
G

POWER OUTPUT

RTN OUTPUT

Summary of Contents for 0HPGMT

Page 1: ...High Power GMT Series Fuse Panels Models 0HPGMT Installation Guide ...

Page 2: ...uo and looks beyond what is possible in network connectivity and power management Founded in 1982 Telect is driven by the principles of innovation and customer service Headquartered in Liberty Lake WA the privately held company supports a global network of customers with a comprehensive product portfolio and a values driven corporate culture Our products and solutions are found across communicatio...

Page 3: ...derations 8 1 4 Installation Procedures 9 1 4 1 Installing the Panel 9 1 4 2 Replacing the Alarm Board 13 1 5 Parts Accessories 14 1 6 Service 15 1 7 Block Diagram 16 1 8 1RU Dimensions 17 1 9 2RU Dimensions 18 List of Figures Figure 1 Models 0HPGMT 1 Figure 2 Model 0HPGMT05R Front View 2 Figure 3 Alarm Panel 6 Figure 4 Model 0HPGMT05BR Rear View 6 Figure 5 Alarms 7 Figure 6 Mounting Dimensions 9 ...

Page 4: ...tures include Single or dual circuit 100Ainput bus es 48 VDC 0HPGMT12R 2RU Panel Figure 1 Models 0HPGMT Discrete GMT fuse positions 15A capacity without fuse management for heat dissipation Alarm circuit board replaceable with panel in service hot swap 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 ...

Page 5: ... s High Power GMT Series Fuse Panels use discrete not modular GMT fuse holders to limit heat buildup when using 15A GMT fuses Discrete GMT Fuse Holders Replaceable Alarm Card Figure 2 Model 0HPGMT05R Front View 1 1 1 Specifications Environment Specifications Temperature range 25 C to 55 C 13 F to 131 F Humidity 5 to 85 and non condensing Altitude range 197 ft to 13 100 ft 60 m to 4000 m Acoustic n...

Page 6: ...x Screws with cross recessed heads Dimensions Specifications Dimensions nominal without brackets for all but 0HPGMT12R 0HPGMT02R Width Height Depth 17 432 mm 1 75 44 4 mm 12 305 mm Dimensions nominal without brackets for 0HPGMT02R Width Height Depth 21 533 mm 1 75 44 4 mm 12 305 mm Dimensions nominal without brackets for 0HPGMT12R Width Height Depth 17 432 mm 3 5 89 mm 7 5 190 mm See Pages 17 and ...

Page 7: ...access 2RU b 23 only GMT fuses are available in capacities ranging from 0 18A to 15A 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 accommodate 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 ...

Page 8: ...ard Alarms NEG 1 NEG 48 VDC 5 10 R V A NC C NO 1 5 NEG 48 VDC 10 NEG INPUT B INPUT 100A MAX PER BUS TORQUE TO 62 IN LBS B SIDE OUTPUT 15A MAX TORQUE TO 9 IN LBS A SIDEA INPUT POS RTN 1 POSRTN 5 10 1 5 POS RTN 10 POS RTN Side B Output Terminals Side B Input Terminals CHASSIS GROUND Side A Output Terminals Side A Input Terminals Figure 4 Model 0HPGMT05BR Rear View 1 1 2 1 Bay Failure Alarm Options T...

Page 10: ...n a closed or multi unit rack assembly the operating ambient temperature of the rack environment may be greater than room ambient Therefore consideration should be given 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 ...

Page 11: ...is equipment with a fuse or breaker sufficient to interrupt power levels specified under Electrical Specifications on page 4 ALERT ALERT Each panel is tested at the factory Telect recommends 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 as applicable need to be tested 1 4...

Page 12: ...or a 10 stud 5 mm on in 15 9 mm centers onto a suitable ground wire Ground wire can be up to 6 AWG for a dual hole lug Conductor size depends on input interruption device 6 Use a coarse nonmetallic cleaning pad to clean the terminals and stud s 7 Telect recommends that you lightly coat antioxidant on the lug grounding screw s and surrounding contacting surface 8 Connect the lug to the rear panel u...

Page 13: ...DISCONNECTED BEFORE SERVICING THIS UNIT CAUTION For a panel with an input noise filter reversing input cables between positive and negative terminals could result in damage to the panel Double check before proceeding to ensure that the NEG and POS RTN feeds from the PDU are cabled to the proper terminals 13 Enable the fuse or breaker at PDU 90A or 125A max with or without the noise filter feature ...

Page 14: ...T 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 and 15A not exceed 70 of the fuse rating For example the load for a 15A GMT fuse should not exceed 10 5A 15A x 70 10 ...

Page 15: ...FAIL ALARM LED changes to red Check the R V A F ALM pinsagain Expect an open circuit Ω between Terminals C and NC Expect continuity 0Ω between Terminals C and NO When finished reinstall the operable fuse 26 If desired wirewrap the remote external audio visual alarm indicator wires solid copper wires 22 to 18 AWG to the alarm terminals 27 One by one re enable the load equipment and verify proper op...

Page 16: ...004013 102435 15 5A Green GRN 004014 102435 16 7 A 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 For dummy fuses order 132748 For GMT safety splash splatter covers order 116915 Table 4 Dual Hole Compression Lug Part Numbers vs Input or Ground Wire Size For in Studs on in Centers 1 0 AWG 2 ...

Page 17: ... 6000 telect com 16 1 6 Service High Power GMT Fuse Panels do not require special preventive maintenance WARNING ALL INPUTS MUST BE DISCONNECTED BEFORE SERVICING THIS UNIT 1 7 Block Diagram R T N N E G BATTERY B Figure 10 Power Battery Return and Fuse Circuit WARNING POWER OUTPUT RTN OUTPUT T N N E G POWER OUTPUT RTN OUTPUT ...

Page 18: ...0 62 15 9 1 4 20 S tuds K EPS N uts 0 62 15 8 0 33 8 5 0 26 6 6 R EAR VIEW 6 32 P anhead Screw s M ax lug w idth is 0 54 in 13 7 m m R O TATED M ax lug w idth is 0 67 in 17 0 m m Transparent C over 2 27 57 7 P anel m ay be flush m ounted or extended by up to 3 in 76 m m in 0 5 in 12 7 m m increm ents 9 63 244 5 3 0000 0 12 3 0 TO P VIEW 0 75 18 9 1 00 25 4 17 00 431 8 w ww telect com 1 25 31 7 1 7...

Page 19: ... H a lf of Front 2 44 61 9 TO P VIEW 23 00 584 2 19 00 482 6 17 00 431 8 w ww telect com 0 98 25 0 3 48 88 4 0 27 6 8 0 62 15 9 1 4 20 Studs KEPS N uts 0 33 8 5 0 62 15 8 10 32 Panhead Screw s 0 26 6 6 6 32 Panhead Screw s M ax lug w idth is 0 54 in 13 7 m m M ax lug w idth is 0 67 in 17 0 m m FR O N T VIEW Telect assumes no liability for the application or use of these products Neither does Telec...

Page 20: ...orm to the protection requirements set out in article 4 of EMC Directive 89 336 EEC as per EN 55022 94 with A1 95 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...

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