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System Application Guide SAG581126000
Spec. No. 581126000 (Model 700
NVBA) Issue AD, November 23, 2009
Page 61 of 123
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
List NA: Distribution Bus Module (P/N 514336)
(20) Fuse/Circuit Breaker Battery Disconnect Positions
Features
♦ Single Voltage Distribution (+24V)
♦ 500A Maximum Capacity
♦ (20) Battery Disconnect Fuse / Circuit Breaker Mounting Positions
(3 to 100A TPS/TLS-Type Fuses / 1 to 250A Bullet Nose-Type Circuit Breakers)
Restrictions
Limit one bus arrangement of this type per Distribution Cabinet.
Must be installed in bus position A (row 1) of a 1-, 2-, 3-, or 4-bus row cabinet.
Unless otherwise specified fuses and/or circuit breakers are mounted from left to right, starting with the
highest capacity and working to the lowest capacity.
125A, 150A, and 200A circuit breakers occupy two mounting positions. 250A circuit breakers occupy three
mounting positions.
Caution:
A circuit breaker or fuse with a rating greater than 150 amperes SHALL HAVE an empty
mounting position between it and any other overcurrent protective device.
Maximum size of wire to be connected to a single fuseholder or circuit breaker position is 2 gauge.
Ordering Notes
1) Order circuit breakers as required per
Table 7.
2) Order fuses as required per
Table 8.
Also order one (1) P/N 117201 bullet nose-type fuseholder per fuse ordered.
3) Order battery and return lugs (two hole, 1/4” bolt clearance hole, 5/8” centers) as required for each
distribution position per Table
9 or 11.
4) Order lug hardware kit,
1P/N 520332, as required. Kit provides all hardware required to connect load and
ground lugs for four (4) positions of a bullet nose-type distribution assembly.
GROUND
BUSBAR
5/8"
5/8"
1/4-20 STUD, 40 PLACES
(CUSTOMER MUST SUPPLY ADDITIONAL HARDWARE)
1/4-20 THREADED HOLE, 40 PLACES (CUSTOMER MUST
SUPPLY LUG BOLTS AND ADDITIONAL HARDWARE.
BOLT LENGTH: 3/4")
3/4"
BATT. RETURN
CONNECTIONS
BATTERY
CONNECTIONS
BATTERY DISCONNECTS
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