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UM582127000 User Instructions
Issue AC, January 2, 2013 Spec. No. 582127000 (Model 721NPBB)
Page 34 Chapter 4. Troubleshooting and Repair
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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.
Figure 4-6 (cont’d from previous page)
Installing a GJ/218 Circuit Breaker (2-Pole, 3-Pole, 4-Pole)
1/4" Hardened
Flat Washer
1/4" Belleville
Lock Washer
1/4-20 x 3/4” Bolt
(4 places / 2-pole brk,
6 places / 3-pole brk,
8 places / 4-pole brk)
Torque to 60 in-lbs.
Apply anti-oxidizing compound to busbar mating
surfaces before mounting circuit breakers.
OFF
ON
INSTALLING CIRCUIT BREAKER GUARD
INSTALLING CIRCUIT BREAKER
Alarm jumper connectors.
Holes to route shunt jumper through (if applicable).
ALARM WIRING (BREAKERS W/OUT SHUNTS)
ALARM WIRING (BREAKERS WITH SHUNTS)
Busbar
2-pole breaker shown.
3-pole and 4-pole breakers similar.