ABB | SACE Emax 2
Mechanical characteristics
2 - E2.2-E4.2-E6.2 description
159 | © 2023 ABB | 1SDH001330R1002 - 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 74.
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 75.
Figure 74
A
B
Figure 75
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 76.
4. Closing - Press the closing pushbutton “I - Push ON” as indicated in Figure 77.
Figure 76
Figure 77
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 78.
6. Opening - Press the opening pushbutton “O - Push OFF” as indicated in Figure 79.
Figure 78
Figure 79
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