ABB SACE Emax 2 Series Operating Instructions Manual page 155
Low voltage air circuit-breaker
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Mechanical status indicators The following are the possible states in which you can find the circuit-breaker:
152 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
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7.
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 48.
Figure 48
1.
Circuit-breaker open with springs discharged (see Figure 49).
2.
Circuit-breaker open with springs charged (see Figure 50).
3.
Circuit-breaker closed with springs discharged (see Figure 51).
4.
Circuit-breaker closed with springs charged (see Figure 52). This state occurs when after closing
(see step 4 - Figure 52) the springs are recharged manually or automatically by the gearmotor (if
provided).
Figure 49
Figure 50
Figure 52
ABB | SACE Emax 2
Figure 51
Mechanical characteristics
1 - E1.2 description
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