EnerSys Alpha GMT 125 Series Technical Manual Download Page 1

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GMT 125 Series

™

/ KLM 125 Series

™

1RU Fuse Panel For Telecom Broadband

Technical Manual

Effective: March 2021

Summary of Contents for Alpha GMT 125 Series

Page 1: ...GMT 125 Series KLM 125 Series 1RU Fuse Panel For Telecom Broadband Technical Manual Effective March 2021 ...

Page 2: ...s fumes safety information to PREVENT INJURY OR DEATH to the technician or user WARNING FUMES HAZARD FIRE HAZARD WARNING provides flammability safety information to PREVENT INJURY OR DEATH to the technician or user WARNING FIRE HAZARD This WARNING provides safety information for both Electrical AND Fire Hazards WARNING ELECTRICAL FIRE HAZARD CAUTION provides safety information intended to PREVENT ...

Page 3: ... system please contact Alpha Technologies Services Inc or your nearest Alpha representative Alpha shall not be held liable for any damage or injury involving its enclosures power supplies generators batteries or other hardware if used or operated in any manner or subject to any condition not consistent with its intended purpose or is installed or operated in an unapproved manner or improperly main...

Page 4: ... 8 4 2 2 Optional Rear Rack Support Kit 9 4 3 Chassis Ground 10 4 4 Input Connections 11 4 5 Output Connections 12 4 5 1 Terminal Block Output Versions 12 4 5 2 Connectorized Output Versions 13 4 6 Installing Fuses 13 4 7 Alarm Installation 13 4 8 Installation Checklist 14 5 0 Operation 15 5 1 Meter Module 15 5 1 1 Contrast Adjustment 15 5 1 2 Home Screen 15 5 1 3 Calibration and Settings 16 5 1 3...

Page 5: ... KLM Fuse Positions 4A 4B GMT Fuse Positions Dual Input Terminal Block LED Indicators C016 1847 10 KLM 125 Series Fuse Panel 48VDC 4A 4B KLM Fuse Positions 4A 4B GMT Fuse Positions Dual Input Terminal Block Meter Module C016 1848 10 KLM 125 Series Fuse Panel 48VDC 4A 4B KLM Fuse Positions 4A 4B GMT Fuse Positions Dual Input Connectorized LED Indicators C016 1849 10 KLM 125 Series Fuse Panel 48VDC ...

Page 6: ...inated with a narrow ring or spade lug 0 25 in max width y Optional positive latching connectorized output connections 3 0 3 0 Unpacking and Inspection Unpacking and Inspection The GMT 125 Series KLM 125 Series fuse panel was carefully packaged at the factory to withstand the normal rigors of shipping However you should carefully inspect the box and contents to confirm that no damage has occurred ...

Page 7: ...ir flow required for safe operation of the equipment is not compromised 4 1 3 4 1 3 Mechanical Loading 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 1 4 4 1 4 Circuit Overloading Circuit Overloading Give consideration to the connection of the equipment to the supply circuit and the effect that o...

Page 8: ...ars with included 10 32 hardware see Figure 2 Depending on the attachment point selected the panel will either be front flush mid mount forward or mid mount rearward in the rack Step 3 Secure panel to equipment rack by tightening the included 12 24 hardware into the mounting ears 4 2 1 4 2 1 Lacing Bar Lacing Bar Connectorized Output Models Only Connectorized Output Models Only GMT 125 Series KLM ...

Page 9: ...to the adjustment blocks then tighten the black phillips head screws see Figure 4 Step 2 Insert the two straight panel extension poles into the bottom holes of the adjustment blocks see Figure 5 Step 3 Insert the two rear rack mounting poles into the top holes of the adjustment blocks see Figure 6 Step 4 Secure the base of the two straight panel extension poles from Step 2 to the threaded holes fo...

Page 10: ...ination information A minimum of 6 AWG chassis ground cable is required IMPORTANT Grounding hardware not included A properly sized grounding conductor must be installed per NEC 250 122 Table 3 Chassis Ground Termination Specifications TERMINATION TYPE HOLE STUD SIZE CENTER TO CENTER RECOMMENDED TORQUE VALUE Threaded Insert 1 4 in 5 8 in 5 83 ft lbs Step 1 Secure the ground cable to the chassis by ...

Page 11: ...LUG SPECIFICATIONS TOOLING AND ORDERING INFORMATION NOTICE Table 4 Input Termination Specifications TERMINATION TYPE HOLE STUD SIZE CENTER TO CENTER RECOMMENDED TORQUE VALUE Threaded Stud 1 4 in 5 8 in 4 17 ft lbs Step 1 Remove the plastic input safety covers by pulling away from panel see Figure 11 Step 2 Install the return cables lugs to the return input studs located on the rear of the panel se...

Page 12: ...ft to correspond with the fuse holder on the front panel The bottom terminals in the terminal block are connected to the return bus bar for each input bus The top row of terminals are the fused outputs for each fuse holder as numbered Step 1 Connect the wires to the equipment loads to be fed by the panel fused outputs to these terminal block connections The RTN wire connects to the bottom terminal...

Page 13: ...nected load 4 7 4 7 Alarm Installation Alarm Installation WHEN DAISY CHAINING THE ALARM MUST BE MONITORED NORMALLY OPEN NOTICE The GMT 125 Series KLM 125 Series fuse panel has Form C dry alarm contacts for remote alarm monitoring If alarm monitoring is required 2 8p8c RJ 45 modular jacks are provided for alarm connections The 2 jacks support easy daisy chaining of panels The 8p8c modular jacks are...

Page 14: ...nel and rack securely y Input power cables lug and return cables lugs securely bolted connected to rear of panel y Heat shrink installed on cables y Fused outputs wired with correct polarity crimp lugs wire lacing or cable tie routing to equipment loads y Output connections secured y Fuses sized as required for each load y All safety covers attached ...

Page 15: ...nel is available with an optional meter module for monitoring of voltage current and alarms 5 1 1 5 1 1 Contrast Adjustment Contrast Adjustment The screen contrast can be adjusted by inserting a 00 screwdriver into the recessed contrast button view meter module illustration above for button locations 5 1 2 5 1 2 Home Screen Home Screen ...

Page 16: ...e offset can be adjusted by pressing the or buttons The measured bus voltage is shown in hundredths of volts along with the applied offset Press Sel to advance to the next setting 5 1 3 3 5 1 3 3 Bus Voltage Gain Bus Voltage Gain A and B bus voltage gain can be adjusted by pressing the or buttons The measured voltage is shown in hundredths of volts along with the applied gain Press Sel to advance ...

Page 17: ...Width 17 in Height 1 75 in Depth Not Including Lacing Bar Kits 11 in Weight 8 5 lbs UL File Number E473904 UL Standard ANSI UL 60950 1 Table 8 KLM 125 Series Fuse Panel Specifications ALL MODELS Type of Input Dual Input A B Circuits 16 8A 8B Input Voltage 0 42 to 60V DC Input Current 125A Max Maximum Input Interruption Device 150A Maximum Fuse Size 30A KLM 15A GMT Maximum Per Circuit Current 30A K...

Page 18: ... Max KLM Fuse 15A Max GMT Fuse LED Indicators Connectorized Outputs C016 1848 10 KLM 125 Series Fuse Panel 125A 1RU Dual Input 4A 4B KLM Fuses 4A 4B GMT Fuses 30A Max KLM Fuse 15A Max GMT Fuse Meter Module Connectorized Outputs C016 1849 10 Table 11 Accesories DESCRIPTION PART NUMBER Rear Rack Mounting Kit GMT 125 C750 278 10 Table 12 Supported Lugs for Input Connections WIRE GAUGE SUPPORTED ALPHA...

Page 19: ... 600VDC C460 081 10 KLM Fuse 25A 600VDC C460 083 10 KLM Fuse 30A 600VDC C460 080 10 Table 16 Connectorized Cable Assemblies For Connectorized Models Only AWG LENGTH COLOR PART NUMBER 10 7 Red Black C745 420 10 Blue Black C745 422 10 Red Red Tracer C745 437 10 Blue Blue Tracer C745 433 10 12 Red Black C745 290 10 Blue Black C745 424 10 Red Red Tracer C745 438 10 Blue Blue Tracer C745 434 10 12 7 Re...

Page 20: ...Terminal C538 068 10 TE CONNECTIVITY 34158 TE Connectivity 58433 3 with Die Assembly 58423 1 10 12 AWG Ring Terminal C538 280 10 TE CONNECTIVITY 329697 TE Connectivity 169400 with Die Assembly 169404 16 14 AWG Spade Terminal C538 038 10 TE CONNECTIVITY 52955 TE Connectivity 58433 3 with Die Assembly 58423 1 12 10 AWG Spade Terminal C538 119 10 TE CONNECTIVITY 52961 TE Connectivity 58433 3 with Die...

Page 21: ...021 Appendix A Appendix A Mechanical Drawings Mechanical Drawings A 1 A 1 Front View Front View 19 000 17 000 1 720 GMT 125 Series Meter Module GMT 125 Series Standard Bezel KLM 125 Series Meter Module KLM 125 Series Standard Bezel ...

Page 22: ...TS FORM C DRY CONTACTS OUTPUT TERMINATION BLOCK TOP HOT BOTTOM RETURN OUTPUT CONNECTIONS ALARM PORTS FORM C DRY CONTACTS Models with Terminal Block Output Configuration Models with Connectorized Output Configuration A 2 A 2 Rear View Rear View ...

Page 23: ...23 C048 742 30 R04 Rev B 03 2021 Models with Terminal Block Output Configuration Models with Connectorized Output Configuration Output Cable Lacing Bar Shown A 3 A 3 Top View Top View ...

Page 24: ...24 C048 742 30 R04 Rev B 03 2021 A 4 A 4 Side View Side View ...

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Page 26: ...ghts Reserved Trademarks and logos are the property of Alpha Technologies Services Inc and its affiliates unless otherwise noted Subject to revisions without prior notice E O E Phillips is a registered trademark of Phillips Screw Company BUSSMANN is the registered trademark of Cooper Technologies Company BURNDY is the registered trademark of Hubbell Incorporated TE CONNECTIVITY is the registered t...

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