Amphenol GMT Series, Installation Manual, Page: 6 / 19

6
Amphenol Network Solutions
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High-Power GMT
Series Fuse Panel
Mechanical interface: Specifications:
Input terminals — compression
Stud:
Lugs:
Cable:
Torque:
1 /
4
-20 with nut. [Use 7 /
16
" (12 mm) socket)
Dual-hole compression lug
( 5 /
8
" center to center) 0.516-inch (13.4 mm) max. lug width
Up to 1/0 AWG copper, depending on input interruption device
50 in-lb. (~5.5 N • m), max.
Output terminal - Wire
binding/compression
Screw:
Wire:
Lug:
Spacing:
Torque:
#6 Phillips* panhead
14 to 22 AWG, copper wire
10 to 22 AWG, copper wire
3 /
8
" (9.5 mm) centerline with barrier distance of .260-inch (6.6 mm)
6.5 in/lb. (~0.75 N • m), max.
Alarm terminals – wire wrap .045-inch square wire wrap pins on 0.156-inch centers
Ground terminals
Screws:
Lugs:
Cable:
Torque:
2 #10 Phillips* panheads
Single- or dual-hole compression lug ( 5 /
8
" center to center)
Dual-hole lug is recommended
Up to #6 AWG copper for single-hole lug (Conductor size depends on input
interruption device)
21 in/lb. (~2.5 N • m), max.
* Screws with cross-recessed heads
Dimensions: Specifications:
Dimensions (nominal) ǂ ,
without brackets for all but
0HPGMT12R & 0HPGMT02R
Width:
Height:
Depth:
17" (432 mm)
1.75" (44.4 mm)
12" (305 mm)
Dimensions (nominal) ǂ ,
without brackets for 0HPGMT02R
Width:
Height:
Depth:
21" (533 mm)
1.75" (44.4 mm)
12" (305 mm)
Dimensions (nominal) ǂ ,
without brackets for 0HPGMT12R
Width:
Height:
Depth:
17" (432 mm)
3.5" (89 mm)
7.5" (190 mm)
ǂ See pages 17 and 18 for exact dimensions
Electrical interface: Specifications:
Operating voltages -48 VDC, both sides
Current capacity: All Except
0HPGMT05NR
0HPGMT05NR
100A per bus (200A total for dual-circuit panels), max.
75A per bus (150A total for both buses)
Fuse capacity:
Single circuit:
Dual circuit:
10, 20 or 30
20, 30 or 40 (total, both circuits)
Maximum input interruption device rating 125A for a 100A bus; 90A for a 75A bus
Maximum output interruption device rating 15A GMT fuse
Interrupt rating 450A
Short circuit withstand current 450A
Alarm contact relay 2A
Alarm board power rating @ 48 VDC 1W
Panel heat dissipation per 100A bus
@ % load
1.0W (3.4 BTU/hr) @ 0%
1.2W (4.1 BTU/hr) @ 25%
4.8W (16.5 BTU/hr) @ 50%
11.4W (38.7 BTU/hr) @ 75%
21.3W (72.6 BTU/hr) @ 100%
Percentage of full load heat dissipation at
nominal voltage
Less than 1% of total load wattage