Page 154 - Sace Emax 2 Manual for design engineers
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8. Extract the crank. See Figure 60.
9. Replace the crank in its housing See Figure 61.
Figure 60 Figure 61
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 62.
1
2
Figure 62
WARNING! The inserted circuit-breaker must be opened in order to be able to reach
the test position. On the UL version, the fail safe prevents the removal of the
circuit-breaker from the fixed part with springs charged. Discharge the springs before
removing the circuit-breaker from the fixed part. For further details, consult the
Mechanical safety accessories chapter.
Mechanical position indicators The following are the possible positions where you can find the mobile part of a withdrawable circuit-breaker
during its use:
• circuit breaker in DISCONNECT position (see Figure 63).
• circuit-breaker in test position (see Figure 64).
• circuit-breaker in CONNECT position (see Figure 65).
Figure 63 Figure 64 Figure 65
152 | © 2020 ABB | 1SDH001330R1002 - ECN000134959 - Rev. A Mechanical characteristics | 1 - E1.2 description