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SAG581126000 System Application Guide
Issue AD, November 23, 2009 Spec. No. 581126000 (Model 700
NVBA)
Page 52 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 EA: Distribution Bus Module (P/N 509852)
(16) Fuse/Circuit Breaker System Positions and (4) Fuse/Circuit Breaker Battery Disconnect Positions
Features
♦ Single Voltage Distribution (+24V)
♦ 500A Maximum Capacity
♦ (16) Load Distribution Fuse / Circuit Breaker Mounting Positions (3 to 100A TPS/TLS-Type Fuses / 1 to
250A Bullet Nose Type Circuit Breakers), or accepts “
GMT Load Distribution Fuse Block Assembly Kit
(P/N 514432)”.
♦ (4) 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 or B (row 1 or 2) of a 1-, 2-, 3-, or 4-bus row cabinet.
Cannot be used in second row of a 3-bus row cabinet in List 1 if used with List 2.
Cannot be used in second row of a 3-bus row cabinet in List 2.
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 AWG.
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 load 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,
8P/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.
1/4-20 STUD, 48 PLACES
(CUSTOMER MUST SUPPLY ADDITIONAL HARDWARE)
GROUND
BUSBAR
5/8"
BATTERY
(LOAD SIDE)
CONNECTIONS
5/8"
LOAD
CONNECTIONS
LOADS
BATTERY
DISCONNNECTS
1/4-20 THREADED HOLE, 40 PLACES (CUSTOMER
MUST SUPPLY LUG BOLTS AND ADDITIONAL
HARDWARE. BOLT LENGTH: 3/4")
3/4"
LOAD RETURN
CONNECTIONS
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