Emerson SAG581126000 Manuel D’Utilisation

System Application Guide 

SAG581126000 

Spec. No. 581126000 (Model 700

NVBA

) 

Issue AD, November 23, 2009 

Page 81 of 123 

 

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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. 

♦  When Distribution Bus Modules Using Bullet Nose-Type Devices (TPS/TLS Fuses and/or Bullet 

Nose-Type Circuit Breakers) are Provided:  Lug-terminated load leads are connected to the individual 
load busbars located on the Distribution Bus Module and the respective distribution ground busbar. 

The individual load 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.  Customer must provide lug mounting 
bolts and hardware. 

The distribution ground busbar provides 1/4-20 studs for installation of the same type of customer-
provided lugs.  Customer must provide lug mounting hardware. 

Refer to the illustrations under the 

 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 

, or see the following 

part numbers in 

 for available adapter busbars: 

♦  When Distribution Bus Modules Using GJ/218 Circuit Breakers or TPH Fuses are Provided:  Lug-

terminated load leads are connected to the individual load busbars located on the Distribution Bus 
Module and the respective distribution ground busbar. 

The individual load 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.  Customer must provide lug mounting bolts 
and hardware. 

The distribution ground busbar provides 3/8-16 captive nuts for installation of the same type of customer-
provided lugs.  Customer must provide lug mounting bolts and hardware. 

Refer to the illustrations under the 

 for a dimensional drawing. 

See 'Features' above. 

1)  The rating of the distribution device determines the load 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. 

Nose-Type Circuit Breakers) are Provided:  The individual load busbars and associated ground 
busbar are designed to accommodate the lugs listed in Tables 

 and 

.  Use Table 

 to select 

recommended load distribution wire sizes and lugs for various loop lengths per fuse/circuit breaker 
ampere rating. 

b)  When Distribution Bus Modules Using GJ/218 Circuit Breakers or TPH Fuses are Provided:  

The individual load busbars and associated ground busbar are designed to accommodate the lugs 
listed in Table 

.  Use Table 

 to select recommended load distribution wire sizes and lugs for 

various loop lengths per fuse/circuit breaker ampere rating. 

2)  For other available lugs and hardware, refer to drawings 031110100 through 031110300.