Amphenol 125GMT Series Bedienungsanleitung

125GMT10/125GMT15

Installation Guide

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

Installation Guide, Part Number 150566 A0

Amphenol Network Solutions

22425 E. Appleway Ave #11

Liberty Lake, WA 99019

Amphenol Network Solutions assumes no liability from the application or use of these products.

Amphenol Network Solutions does not convey any license under its patent rights nor the patent

rights of others. This document and the products described herein are subject to change without notice.

About

Amphenol Network Solutions is a global innovative original equipment manufacturer that serves the data

and communications markets. We design, manufacture, and distribute products for customers who need an

end to end solution for network connectivity, fiber, power distribution and rack management. We collaborate

with our customers to deliver product solutions that exceed expectations with innovative designs and world

class quality. Amphenol Network Solutions is the industry thought leader on network cable management.

Telect, Inc. has been a market leader in secondary DC power distribution

for over 36 years. Through our acquisition by Amphenol and our merger

with All Systems Broadband, to become Amphenol Network Solutions, we

have continued to deliver reliable, high-quality solutions to power, protect,

and monitor today’s network servers and equipment. We are proud to be

an Amphenol company that will continue to be Powered by Telect.

Technical Support

Email: support@amphenol-ns.com

Phone: 509.926.6000

 
3 
 
125GMT 
Amphenol Network Solutions 
All rights reserved. 3.18.20 150566 
509.926.6000 —amphenol-ns.com.com 
 
Table of Contents 
Section One: Overview................................................................................................................................ 5 
1.1 About this Guide..............................................................................................................................5 
1.2 125GMT Configurations................................................................................................................... 6 
1.3 125GMT Overview...........................................................................................................................6 
1.4 Specifications................................................................................................................................... 8 
Section Two: Installation.............................................................................................................................. 9 
2.1 Important Installation Guidelines...................................................................................................... 9 
2.2 Installation Instructions ....................................................................................................................9 
2.2.1 Mounting brackets................................................................................................................ 10 
2.2.2 Optional tie bar installation (Connectorized panels only)...................................................... 10 
2.2.3 Rack mounting..................................................................................................................... 11 
2.2.4 Grounding............................................................................................................................ 12 
2.2.5 Input Wiring.......................................................................................................................... 13 
2.2.6 Remove alarm cover............................................................................................................ 14 
2.2.7 Alarming .............................................................................................................................. 14 
2.2.8 Installing fuses..................................................................................................................... 15 
2.2.9 Alarm Terminals................................................................................................................... 15 
2.2.10 Output wiring (Terminal block versions)............................................................................. 16 
2.2.11 Output wiring (Connectorized versions) ............................................................................. 17 
2.2.12 Install rear cover ................................................................................................................ 19 
2.3 Tie Bar........................................................................................................................................... 20 
2.4 Parts & Accessories....................................................................................................................... 20 
2.4.1 Ordering Information............................................................................................................ 21 
2.4.2 GMT Fuses.......................................................................................................................... 21 
2.4.3 Lug Reference Guide........................................................................................................... 22 
Section Three: Drawings ........................................................................................................................... 23 
3.1 125GMT Drawings......................................................................................................................... 23 
 
List of Figures 
Fig. 1-1: 125GMT15 front view .................................................................................................................... 6 
Fig. 1-2: 125GMT15 rear view.....................................................................................................................6 
Fig. 1-3: 125GMT10-C front view................................................................................................................. 7 
Fig. 1-4: 125GMT10-C rear view .................................................................................................................7 
Fig. 2-1: Installing mounting brackets ........................................................................................................ 10 

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

Fig. 2-2: Installing optional tie bar.............................................................................................................. 10

Fig. 2-3: Installing panel in rack................................................................................................................. 11

Fig. 2-4: Grounding lug connection............................................................................................................ 12

Fig. 2-5: Input lugs..................................................................................................................................... 13

Fig. 2-6: Removing the alarm cover........................................................................................................... 14

Fig. 2-7: 125GMT15 LED status................................................................................................................ 14

Fig. 2-8: 125GMT15-C Alarm Terminals.................................................................................................... 15

Fig. 2-9: Output lugs.................................................................................................................................. 16

Fig. 2-10: Insert crimped terminals ............................................................................................................ 17

Fig. 2-11: Connector front view.................................................................................................................. 17

Fig. 2-12: Insert retainer ............................................................................................................................ 17

Fig. 2-13: Insert Connector........................................................................................................................ 18

Fig. 2-14: Rear Cover................................................................................................................................ 19

Fig. 2-15: Optional Tie Bar......................................................................................................................... 20

Fig. 3-1: 125GMT10 and 125GMT10-C Front view.................................................................................... 23

Fig. 3-2: 125GMT15 and 125GMT15-C Front view.................................................................................... 23

Fig. 3-3: 125GMT10, 125GMT15, 125GMT10-C and 125GMT15-C Side view.......................................... 23

Fig. 3-4: 125GMT10 Rear view.................................................................................................................. 24

Fig. 3-5: 125GMT15 Rear view.................................................................................................................. 24

Fig. 3-6: 125GMT10-C Rear view.............................................................................................................. 24

Fig. 3-7: 125GMT15-C Rear view.............................................................................................................. 24

Fig. 3-8: 125GMT10 and 125GMT15 Bottom view..................................................................................... 24

Fig. 3-9: 125GMT10-C and 125GMT15-C Bottom view ............................................................................. 24

Fig. 3-10: 125GMT10-C and 125GMT15-C with optional Tie Bar............................................................... 24

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

Section One: Overview

1.1 About this Guide

This manual provides a comprehensive overview of and installation guidelines for the 125GMT family of power

distribution panels. While care has been taken to define all necessary information, complete details may not be

covered. If you have any questions, contact Amphenol Network Solutions Technical Support at

support@amphenol-ns.com or call 1-509-926-6000.

Throughout this guide, select information is highlighted in the form of Notes, Alerts, Cautions, and Warnings.

These notifications are prominent, and their importance is indicated as follows:

NOTE: General information to which the user should pay special attention.

ALERT! Important information and/or instructions to which the user should adhere.

CAUTION! Indicates a hazardous situation, which could result in minor or moderate injury.

WARNING! Indicates a hazardous situation, which could result in death or serious injury.

Amphenol Network Solutions assumes no liability from the application or use of these products. Amphenol

Network Solutions does not convey a license under its patent rights, nor the patent rights of others. This

document and the products described herein are subject to change without notice.

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

1.2 125GMT Configurations

GMT Fuse Panel

Part Number:

125A Dual-Feed, 10/10 Panel, Horizontal Inputs, Output Terminal Blocks

125GMT10

125A Dual-Feed, 10/10 Panel, Horizontal Inputs, Connectorized Outputs

(Connectors purchased separately)

125GMT10-C

125A Dual-Feed, 15/15 Panel, Horizontal Inputs, Output Terminal Blocks

125GMT15

125A Dual-Feed, 15/15 Panel, Horizontal Inputs, Connectorized Outputs

(Connectors purchased separately)

125GMT15-C

1.3 125GMT Overview

The Amphenol Network Solutions 125GMT family of 1RU, dual-feed 125A per feed, power distribution panels

provide high-capacity, ±48V, ±24V, and ±12V power protection for secondary power distribution to data and

communications equipment. The Amphenol Network Solutions 125GMT family panels are also ideal for

primary distribution in small central offices and at remote sites.

Fig. 1-1: 125GMT15 front view

Fig. 1-2: 125GMT15 rear view

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

This panel accommodates Cooper Bussmann and Littelfuse GMT fuses. The 125GMT10 and 125GMT15 have

positions for 20 or 30 GMT fuses, respectively. The panel is UL rated using 20A GMT fuses with a maximum

continuous output load of 14A. GMT fuses are sold separately. See amphenol-ns.com to order GMT fuses.

Sides A and B are electrically isolated including the alarm card, which contains power and GMT fuse status

relays with dry, Form-C contacts. The contacts are connected to wire-wrap pins for connecting to external

visual/audio alarms. Pins can also mate to a TE Connectivity 3-640428-3 connector. The alarm card also

controls the four indicator LEDs on the front panel.

The feed inputs are horizontal and accommodate dual-hole lugs. The input terminals are studs. This panel is

available with standard terminal block outputs or connectorized outputs. All input, output and alarm terminals

are within the panel.

For the terminal block configurations, the outputs are staggered to accommodate waterfall cable management.

Outputs accommodate single-hole lugs and the output terminals are screws.

For the connectorized output configurations, the output cables exit straight back from the panel. The outputs

accommodate connectors that are easily assembled during installation.

The ground terminals can accommodate either dual-hole or single-hole lugs. The ground terminals are bolt

connections on the sides of the panel, near the rear, and on the bottom of the panel, near the center rear. Only

one ground connection is required.

Fig. 1-3: 125GMT10-C front view

Fig. 1-4: 125GMT10-C rear view

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

1.4 Specifications

Inputs:

Specifications:

Voltage range (nominal voltage)

±12VDC, ±24VDC and ±48VDC

Max. input load rating 125GMT10/125GMT15:

125GMT10-C/125GMT15-C:

125A @ 65°C per panel

125A @ 55°C per panel (De-rated to 100A @ 65°C)

Short circuit withstand rating

5000A

Nominal power loss at full load

Less than 45W per side @5,000W full load per side (125A x 48V);

125A @ 65°C per panel

Percentage of full power dissipation at nominal voltage

Less than 0.5%

Max. input interrupt device

125% of panel rating (for 125A rated feeds)

Horizontal input terminal studs (with Keps nuts and flat

washers) for dual-hole compression lugs

Two pairs of ¼-20 studs on 5/8" centers per terminal [max. lug width of .5" (12.7

mm)]. Torque bolts (using 7/16" or 12 mm socket) to 50 in/lb. (5.5 N•m), max.

Input wire size

#8 AWG to #1/0 AWG

Voltage range (nominal voltage)

±12VDC, ±24VDC and ±48VDC

Grounding:

Specifications:

Earth GND terminal bolts (with washers) for dual-hole

compression lug

Three sets of 1/4-20 threaded holes on 5/8" centers. Torque bolts (using 7/16" or 12

mm socket) to 50 in/lb. (5.6 N•m), max.

Ground wire size

#6 AWG to #1 AWG

Outputs:

Specifications:

Output fuse

20A GMT Fuse

Output load

14A continuous

Minimum short circuit interrupt rating

5000A

Optional: Terminal blocks, single-hole compression lugs

20 or 30, #6-32 screws [max. lug width of .31" (7.9)]. Torque screw to 8 in/lb. (.9

N•m), max.

Optional: Output wire size, single-hole compression lug

#22 AWG to #6 AWG

Optional: Connectors (purchased separately)

20 or 30, P24 connector plugs, latching, safe touch

Optional: Output wire size, connectors

#14 AWG to #10 AWG

GMT fuses

Cooper Bussmann and Littelfuse

Alarms:

Specifications:

Alarm relay contacts

2A @ 30VDC; 0.6A @ 60VDC

Max. alarm card power rating

@12V: 18 mA (0.22W); @24V: 20 mA (0.48W); @48V: 30 mA (1.44W)

Alarm wire size

#24 AWG, typical (#26 to #20 AWG)

Alarm terminals

Wire wrap or mates with TE Connectivity 3-640428-3

Dimensions:

Specifications:

125GMT10/125GMT15 Height:

Depth:

Width:

125GMT10-C/125GMT15-C Height:

Depth:

Width:

1.75" (44 mm)

13.9" (353 mm)

17" (432 mm) without brackets

19” and 23” brackets included with panel

1.75" (44 mm)

13.8" (350 mm) without tie bar

16.5" (419 mm) with tie bar

17" (432 mm) without brackets

19” and 23” brackets included with panel

Tie bar not included with panel

Cable-end connectors not included with panel

Compliance:

Specifications:

Listed

NEBS

Level 3

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

Section Two: Installation

2.1 Important Installation Guidelines

•Elevated Operating Ambient Temperature: If installed in a closed or multi-unit rack assembly, the

operating ambient temperature of the rack environment may be greater than room ambient. Consider

installing the equipment in an environment compatible with the maximum ambient temperature (Tma)

specified by the manufacturer.

•Reduced Air Flow: Maintain the amount of air flow required for safe operation when installing the

equipment in a rack.

•Mechanical Loading: Ensure mechanical loading is even to prevent hazardous conditions.

•Circuit Overloading: Overloading circuits may affect your overcurrent protection and supply wiring. Use

equipment nameplate ratings.

•Reliable Earthing: Maintain reliable earthing of rack-mounted equipment. Pay attention to supply

connections other than direct connections to the branch circuit.

•Disconnect Device: Incorporate a readily accessible disconnect device in the building installation wiring.

2.2 Installation Instructions

ALERT! Only qualified technicians may install and maintain this product. Verify all connections meet

requirements specified in local electric codes or operating company guidelines before supplying

power. Protect this equipment with a breaker sufficient to interrupt power levels specified.

ALERT! Verify all connections meet requirements specified in local electric codes or operating

company guidelines before supplying power. Unit shall be protected by a listed circuit breaker or

branch-rated fuse rated minimum 125% of panel rating (for 125A rated feeds).

ALERT! Install this product in locations accessible only to qualified personnel.

Please read these instructions carefully before beginning installation. If assistance is required, call Amphenol

Network Solutions Technical Support at 1-509-926-6000 or email us at support@amphenol-ns.com.

When you receive the equipment, carefully unpack it and compare it to the packaging list. Please report any

defective or missing parts to Amphenol Network Solutions Quality at [email protected]m or call 1-509-

926-6000.

Amphenol Network Solutions is not liable for transit damage. If the product is damaged, please report it to the

carrier and contact Amphenol Network Solutions Quality.

NOTE: For service or warranty information, please visit amphenol-ns.com and click on the support tab, email

Amphenol Network Solutions at getinfo@amphenol-ns.com or call us at 1-509-926-6000.

NOTE: The 125GMT family is suitable for installation as part of a Common Bonding Network (CBN) for

installation in Network Telecommunication Facilities and OSP.

NOTE: The 125GMT family is DC-I and can be grounded in both CBN and IBN networks. All feeds have

isolated returns and the chassis grounds are isolated from all returns. The 125GMT family is suitable for

installation in Network Telecommunication Facilities and in locations where the NEC applies.

125GMT

Amphenol Network Solutions

509.926.6000 —amphenol-ns.com.com

2.2.1 Mounting brackets

1. The mounting brackets can be installed in 6 positions, from flush to 5 inch offset in 1 inch increments. Use

included hardware to install the mounting brackets. Both 19” and 23” mounting brackets are included.

2. Tighten screws to 20 in/lb. (2.23 N•m).

2.2.2 Optional tie bar installation (Connectorized panels only)

3. Use included hardware in accessory kit to install tie bar. Standard tie bar is available as an accessory for

connectorized panels.

4. Tighten screws to 8 in/lb. (.9 N•m).

Fig. 2-1: Installing mounting brackets

Fig. 2-2: Installing optional tie bar

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