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User Instructions UM582127000
Spec. No. 582127000 (Model 721NPBB) Issue AC, January 2, 2013
Chapter 4. Troubleshooting and Repair Page 33
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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 on next page)
Replacing a GJ/218 Circuit Breaker (1-Pole)
1/4" Hardened
Flat Washer
1/4" Belleville
Lock Washer
1/4-20 x 3/4” Bolt
(2 places)
Torque to 60 in-lbs.
OFF
ON
Apply anti-oxidizing compound to busbar mating
surfaces before mounting circuit breakers.
INSTALLING CIRCUIT BREAKER GUARD
INSTALLING CIRCUIT BREAKER
Alarm jumper connector.
Holes to route shunt jumper through (if applicable).
ALARM WIRING (BREAKERS W/OUT SHUNTS)
ALARM WIRING (BREAKERS WITH SHUNTS)