Disassembly Operations For Circuit Breakers E2.2-E4.2-E6.2 - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Disassembly operations for
circuit breakers E2.2-E4.2-E6.2
168 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
To dismantle the accessories, the following parts must be removed from the circuit-breaker:
• Transparent flange (A) of the trip unit, by turning the screws (B).
• Front cover of the circuit-breaker (C), by removing the mounting screws (D).
Figure 32 - Removing the flange and front cover
After reassembling the accessories, the parts previously dismantled must be reassembled as indicated:
• Front cover of the circuit-breaker (C), by screwing in the mounting screws (D) with tightening torque 1.1
Nm - 9.74 lb in.
• Transparent flange (A) of the trip unit, by turning the screws (B).
Figure 33 - Assembly of flange and front cover
1
2
C
2
A
D
C
2
1
A
D
Accessories | 1 - Preliminary considerations
ABB | SACE Emax 2
1
90°
B
2
1
90°
B