ABB SACE Emax 2 Series Operating Instructions Manual page 154

Manual operations for opening
and closing the circuit-breaker
151 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
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 42.
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 43.
Figure 42
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 44.
4. Closing - Press the closing pushbutton "I - Push ON" as indicated in Figure 45.
Figure 44
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 46.
6. Opening - Press the opening pushbutton "O - Push OFF" as indicated in Figure 47.
Figure 46
A B
Figure 43
Figure 45
Figure 47
Continued on the next page
Mechanical characteristics
ABB | SACE Emax 2
1 - E1.2 description