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SAG581126000 System Application Guide
Issue AD, November 23, 2009 Spec. No. 581126000 (Model 700
NVBA)
Page 82 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.
Input Battery Wire Sizes and Lugs Selection
Features
♦ When Distribution Bus Modules Providing Battery Disconnect Fuse/Circuit Breaker Positions are
Provided:
a) When Distribution Bus Modules Using Bullet Nose-Type Devices (TPS/TLS Fuses and/or Bullet
Nose-Type Circuit Breakers) are Provided: Lug-terminated input battery leads are connected to
the individual battery busbars located on the Distribution Bus Module and the respective battery
return busbar.
Battery Load Side: The individual input battery busbars provide 1/4-20 threaded holes for
installation of customer-provided two-hole lugs that have 5/8 inch centers and 1/4 inch bolt
clearance holes. Refer to the illustrations under the
LIST DESCRIPTIONS for a dimensional
drawing. Maximum size of wire to be connected to a single fuseholder/circuit breaker position is
2 AWG. For wiring up to 350 kcmil, see
Table 11 (Special Application Crimp Lug / Strap
Combination), or see the following part numbers in ACCESSORY DESCRIPTIONS for available
adapter busbars:
514717, 534449, and 514714.
Battery Return Side: The battery return busbar provides 3/8-16 and 1/4-20 captive nuts for
installation of customer-provided two-hole lugs that have 1 or 5/8 inch centers and 3/8 or 1/4 inch
bolt clearance holes, respectively. Refer to "
Electrical Connection Locations and Dimensions"
under PHYSICAL SIZE INFORMATION for a dimensional drawing. Customer must provide lug
mounting bolts and hardware.
b) When Distribution Bus Modules Using GJ/218 Circuit Breakers or TPH Fuses are Provided:
Lug-terminated input battery leads are connected to the individual battery busbars located on the
Distribution Bus Module and the respective battery return busbar.
Battery Load Side: The individual input battery busbars provide 3/8-16 captive nuts for
installation of customer-provided two-hole lugs that have 1 inch centers and 3/8 inch bolt
clearance holes. Refer to the illustrations under the
LIST DESCRIPTIONS for a dimensional
drawing. Customer must provide lug mounting bolts and hardware.
Battery Return Side: The battery return busbar provides 3/8-16 and 1/4-20 captive nuts for
installation of customer-provided two-hole lugs that have 1 or 5/8 inch centers and 3/8 or 1/4 inch
bolt clearance holes, respectively. Refer to "
Electrical Connection Locations and Dimensions"
under PHYSICAL SIZE INFORMATION for a dimensional drawing. Customer must provide lug
mounting bolts and hardware.
♦ When Distribution Bus Modules with Battery Disconnect Fuse/Circuit Breaker Positions are NOT
Provided: Lug-terminated input battery leads are connected to the battery busbar and battery return
busbar. These busbars provide 3/8-16 and 1/4-20 captive nuts for installation of customer-provided two
hole lugs that have 1 or 5/8 inch centers and 3/8 or 1/4 inch bolt clearance holes, respectively. Customer
must provide lug mounting bolts and hardware. Refer to "
Electrical Connection Locations and
Dimensions" under PHYSICAL SIZE INFORMATION for a dimensional drawing.
Restrictions
See 'Features' above.
Ordering Notes
1) When Distribution Bus Modules Providing Battery Disconnect Fuse/Circuit Breaker Positions are
Provided: The rating of the disconnect device determines the input battery lead wire size requirement.
The Distribution Bus Module ordered determines the lug hole size and spacing requirements. For wire
size and lug selection; refer to the following.
a) When Distribution Bus Modules Using Bullet Nose-Type Devices (TPS/TLS Fuses and/or Bullet
Nose-Type Circuit Breakers) are Provided: The individual input battery busbars and associated
battery return busbar are designed to accommodate the lugs listed in Tables
9 and 11. Use Table 12
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