Mechanical Position Indicators - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Mechanical position indicators The following are the possible positions where you can find the mobile part of a withdrawable circuit-breaker
281 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
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To extract the moving part from the fixed part, perform the same steps indicated for insertion in reverse order.
After extraction, in order to remove the moving part, unlock the safety lock. See Figure 88.
Figure 88
WARNING! The inserted circuit-breaker must be opened in order to be able to reach
the test position Discharge the springs before removing the circuit-breaker from the
fixed part. On the UL version, the fail safe prevents the removal of the circuit-breaker
from the fixed part with springs charged. For further information see chapter "2 -
Mechanical safety accessories" on page 262.
during its use:
• circuit breaker in DISCONNECT position (see Figure 89).
• circuit-breaker in test position (see Figure 90).
• circuit-breaker in CONNECT position (see Figure 91).
Figure 89
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Figure 90
Mechanical accessories | 5 - Operating mode for E1.2
ABB | SACE Emax 2
2
Figure 91