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

Disassembly operations for
circuit breakers E1.2
167 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
To dismantle the accessories, the following parts must be removed from the circuit-breaker:
• Front cover (A) and protection (F) by removing the screws (B and C).
• For 4-p circuit-breakers, the lateral protection (D) by fixing the screws (C and E).
E
Figure 30 - Removing the front cover and protections
After reassembling the accessories, the parts previously dismantled must be reassembled as indicated:
• Front cover (A) and protection (F) by screwing the fixing screws (B and C) with tightening torque 0.8 Nm
- 7 lb in (B) and 1.5 Nm - 13 lb in (C).
• For 4-p circuit-breakers, the lateral protection (D) by fixing the screws (C and E) with tightening torque
1.5 Nm - 13 lb in.
E
Figure 31 - Assembly of front cover and protections
A
D
C
A
D
ABB | SACE Emax 2
F
B
F
B
C
Accessories | 1 - Preliminary considerations