Mechanical Position Indicators - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions

Low voltage air circuit-breakers
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Mechanical position indicators The following are the possible positions where you can find the mobile part of a withdrawable circuit-breaker
20 | © 2014 ABB | 1SDH000999R0002 - L8569
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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 38.
Figure 38
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 loaded. For further information see chapter "2 -
Mechanical safety accessories" on page 85.
during its use:
• circuit breaker in racked-out position (see Figure 39).
• circuit-breaker in the test position (see Figure 40).
• circuit-breaker in connected position (see Figure 41).
Figure 39
1
Figure 40
ABB | SACE Emax 2
2
Figure 41
Emax E1.2 circuit-breakers | 4 - Description

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