ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User page 18

Low voltage air circuit-breakers
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Manual operations for opening
and closing the circuit-breaker
16 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
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 25.
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 26.
Figure 25
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 27.
4.
Closing - Press the closing pushbutton "I - Push ON" as indicated in Figure 28.
Figure 27
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 29.
6.
Opening - Press the opening pushbutton "O - Push OFF" as indicated in Figure 30.
Figure 29
A
B
Figure 26
Figure 28
Figure 30
Continued on the next page
Management operations | 3 - Description
ABB | SACE Emax 2

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