Telect 009-0004-1045 1RU -48Vdc Dual-Feed 20x20 GMT Fuse Alarm Panel. Telect’s low-cost Dual-Feed 20x20 GMT Fuse Alarm Panels are 1RU (EIA) power shelves providing protection and redundancy for -48 Vdc telecommunications equipment. Each side of 20 GMT fuses handles a combined continuous load of 50A (max,) at a max. output of 10A per position. Power-fail and fuse alarm relays provide standard, Form-C dry contacts.

Telect Model Number: 009-0004-1045







Specifications:

Mechanical / Environmental Specifications:

Dimensions (nominal without brackets)
Width: 17.25 in. (438.2 mm) Height: 1.70 in. (43.2 mm) Depth: 8 in. (203.2 mm)
Weight Installed: ~5 lb (~2.25 kg)
Acoustic noise 0 dBA above ambient
Temperature range -25°C to 60°C (-13°F to 140°F)
Humidity 5% to 85% and noncondensing
Compliance NEBS Certified, UL, Telcordia GR-1089-CORE & GR63-CORE
Ground terminal
Screws: #6-32 stud with washer and KEPS nut. KEPS nut diameter is 0.375 in. (9.6 mm)
Lugs: Single compression to accommodate KEPS nut Cable: #10 - #12 AWG copper, depending on PDU circuit interrupter
Torque: 8.7 in.-lb (~0.98 N•m), max.
Input terminals
Type: Dual-hole compression, #10 studs with washers and 10-32 KEPS nuts on .625 in. centers. Max. lug width is 0.55 in. (13.9 mm)
Cable: #10 - #2 AWG copper, depending on lug and PDU circuit breaker or fuse
Torque: 20 in.-lb (2.25 N•m)
Output & Alarm terminals (Wire Binding Screw)
Screw: #3 slotted captive screws
Wire: #16 AWG (max.) bare wire; #16 - #14 AWG (max.) with lug
Forked Lug: Burndy TP14-2F or TP14-2Z**
Spacing: .25 in. (6.35 mm) centerline with.19 in. (4.8 mm) between barriers Torque: 3.5 in.-lb (0.39 N•m)

Electrical Specifications:

Operating voltages -20 to -60 Vdc
Current capacity 50A per bus (100A total)
Fuse capacity 20 GMT fuses per bus
Maximum input interruption device rating 60A per feed
Maximum output interruption device rating 10A GMT fuse
Maximum continuous output load rating 7A per 10A fuse position
Alarm relay contacts 2A @ 30 Vdc, 0.6A @ 60 Vdc
Alarm board power rating @ 48 Vdc 1W
Worst case heat dissipation @50A per bus less than 20W (68.3 Btu/hr)
Percentage of full load heat dissipation at nominal voltage less than 1% of total load wattage