ABB | SACE Emax 2
Emax E2.2-E4.2-E6.2 circuit-breakers | 4 - Description
15 | © 2013 ABB | 1SDH001000R0002 - L7804
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 unloaded (spring signalling device "white - DISCHARGED SPRING")
as indicated in Figure 22.
2. Loading the springs - Pull the lever [A] downwards several times until the springs loaded
signalling device [B] is “yellow - CHARGED SPRING” as indicated in Figure 23.
Figure 22
A
B
Figure 23
3. Check that the circuit-breaker is open (open/closed signalling device “O - OPEN”),
and check that the springs are loaded (springs signalling device “yellow - CHARGED
SPRING”) as indicated in Figure 24.
4. Closing - Press the closing push-button “I - Push ON” as indicated in Figure 25.
Figure 24
Figure 25
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 26.
6. Opening - Press the opening push-button “O - Push OFF” as indicated in Figure 27.
Figure 26
Figure 27
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