Operating Mode For E1.2; Manual Operations For Opening And Closing The Circuit-Breaker - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

5 - Operating mode for E1.2

Manual operations for opening
and closing the circuit-breaker
276 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
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 68.
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 69.
Figure 68
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 70.
4. Closing - Press the closing pushbutton "I - Push ON" as indicated in Figure 71.
Figure 70
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 72.
6. Opening - Press the opening pushbutton "O - Push OFF" as indicated in Figure 73.
Figure 72
A B
Figure 69
Figure 71
Figure 73
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Mechanical accessories | 5 - Operating mode for E1.2
ABB | SACE Emax 2