ABB | SACE Emax 2
Management operations
3 - Description
16 | © 2023 ABB | 1SDH001000R0002 - ECN000297030
Manual operations for opening
and closing the circuit-breaker
The following is the sequence of steps for closing and opening the circuit-breaker:
1. Check that the circuit-breaker is open (open / closed indicator "O - OPEN"), and check that the
springs are discharged (spring signalling device "white - DISCHARGED SPRING") as indicated in
Figure 25.
2. Charging the springs - Pull the lever [A] downwards several times until the springs charged
signalling device [B] is “yellow - CHARGED SPRING” as indicated in Figure 26.
Figure 25
A
B
Figure 26
3. Check that the circuit-breaker is open (open/closed signalling device “O - OPEN”), and check that
the springs are charged (springs signalling device “yellow - CHARGED SPRING”) as indicated in
Figure 27.
4. Closing - Press the closing pushbutton “I - Push ON” as indicated in Figure 28.
Figure 27
Figure 28
5. Check that the circuit-breaker is closed (open/closed indicator "I - CLOSED"), and check that the
springs are discharged (spring signalling device "white - DISCHARGED SPRING" as indicated in
Figure 29.
6. Opening - Press the opening pushbutton “O - Push OFF” as indicated in Figure 30.
Figure 29
Figure 30
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