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FEATURES
Compatible with +24V, +48V, -24V or -48V dc input voltages (battery voltages).
2 busses per panel (160 Amps/bus maximum).
6 GMT style fuses per bus (20 Amps/GMT max, 50 Amps per GMT bus max).
4 TPA style fuses per bus (50 Amps/TPA max, 120 Amps per TPA bus max).
Normal and Alarm LEDs for Bus A and Bus B indicate power or fuse failure.
Two sets of "Form C" relay contacts extend alarm conditions for each bus.
Brackets supplied are reversible for both 19" and 23" racks.
High current 1/4" stud inputs (1/4"studs on 5/8" centers) for up to 160 Amps/input.
Offset terminal blocks with rear shield provided (standard).
NEBS level 3 verified, with zone 4 earthquake.
UL Listed
____________________________________________________________________________________
Westell
Westell
Fuse Panel
Technical Practice
NPTPA1105
4/4 TPA &6/6 GMT
NEBS Level 3 Verified
030-000210 Rev F
1105-03F
August 2012
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Summary of Contents for Westell NPTPA1105
- Page 1 030-000210 Rev F 1105-03F August 2012 Westell Fuse Panel Technical Practice NPTPA1105 4/4 TPA &6/6 GMT NEBS Level 3 Verified FEATURES Compatible with +24V, +48V, -24V or -48V dc input voltages (battery voltages). 2 busses per panel (160 Amps/bus maximum).
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Page 2: General Description
GMT fuses, is 160 Amps. A designation card 2. APPLICATION is provided for keeping records of which 2.1. The NPTPA1105 Fuse Panel is designed position is connected to which equipment and to be used in the rack level distribution of DC what amperage of fuse is to be used. -
Page 3: Installation
Please read completely before beginning. WARNING: Installation should only be 4.1. Unpack and inspect the Westell Fuse Panel for possible damage incurred during performed by an experienced Installer familiar shipping. If damage is found, please file a with DC power distribution systems. - Page 4 (1/4” on 5/8”, torque to 5.5 ft- Electrical code for AWG sizes. lbs). A two hole lug must be used for proper operation 4.8. The input wiring feeding this panel should be protected by a Listed fuse/breaker rated for ____________________________________________________________________________________ Westell...
- Page 5 (see fig 1.4.1). For fuse color with the Normal Operation LED illuminated codes please see table 4.11.1 below. Contact Westell for amperage marking labels. and without any red LEDs illuminated, and the relays should be in the “Normal” state...
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Page 6: Specifications
Bus B Alarm - Relay Contact - Normally Open BUS B NO Bus B Alarm - Relay Contact - Normally Closed BUS B NC Note; The “Normal” condition exists when the panel is powered up without any blown fuses. ____________________________________________________________________________________ Westell... - Page 7 8 AWG Panduit, LCD8-14A 90° C 63-80 Amps 6 AWG Panduit, LCD6-14A 90° C 80-100 Amps 4 AWG Panduit, LCD4-14A 90° C 100-125 Amps 2 AWG Panduit, LCD2-14A 90° C 125-160 Amps 1 AWG Panduit, LCD1-14A 90° C ____________________________________________________________________________________ Westell...
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Page 8: Technical Services
7. WARRANTY & REPAIRS email: rgmdept@westell.com 7.1 Westell warrants this product to be free of defects at the time of shipment. Westell also Replacements will be shipped in the fastest warrants this product to be fully functional for... - Page 9 ____________________________________________________________________________________ Westell...
- Page 10 BUS A BUS B ____________________________________________________________________________________ Westell...
- Page 11 ____________________________________________________________________________________ Westell...
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