Mechanical Status Indicators - ABB SACE Emax E1.2 Operating Instructions For The Design Engineer

Mechanical status indicators The following are the possible states in which you can find the circuit-breaker:
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1. Circuit-breaker open with springs discharged (see Figure 46).
2. Circuit-breaker open with springs charged (see Figure 47).
3. Circuit-breaker closed with springs discharged (see Figure 48).
4. Circuit-breaker closed with springs charged and not ready to close (see Figure 49). This state occurs
when after closing (see step 4 - Manual operations for opening and closing the circuit-breaker) the
springs are recharged manually or automatically by the gearmotor (if provided).
5. Circuit-breaker open with springs charged and not ready to close (see Figure 50). This state occurs
in the following cases:
• The circuit-breaker is open due to tripping of protection trip units and the Reset signal has not been
reset. To close the circuit-breaker press the TU Reset pushbutton on the front of the circuit-breaker.
• The key lock or padlock is active in the open position.
• The undervoltage coil is de-energized
• The opening coil is permanently energized.
• The closing coil is permanently energized.
• The pushbutton for enabling the insertion/extraction crank of a withdrawable circuit-breaker is pres-
sed.
Figure 46
Figure 49
Figure 47
Figure 50
Mechanical accessories | 4 - Operating modes for E2.2-E4.2-E6.2
ABB | SACE Emax 2
Figure 48