Manual Operations For Opening And Closing The Circuit-Breaker - ABB SACE Emax 2 Installation, Operation And Maintenance Instructions

Manual operations for opening
and closing the circuit-breaker
18 | © 2021 ABB | 1SDH002083A1002 - ECN000119014 - Rev. A
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 24.
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 25.
Figure 24
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 26.
4. Closing - Press the closing pushbutton "I - Push ON" as indicated in Figure 27.
Figure 26
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 28.
6. Opening - Press the opening pushbutton "O - Push OFF" as indicated in Figure 29.
Figure 28
A
B
Figure 25
Figure 27
Figure 29
Continued on the next page
Management operations | 3 - Description
ABB | SACE Emax 2
Push ON
Push OFF