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Analogues by specifications
An accessory used to trip the circuit breaker when the voltage drops below a minimum value. When the circuit breaker is switched on and its voltage drops to 70–35% of the rated voltage, it can be tripped by activating the trip coil. The circuit breaker can only be closed again when the supply voltage of the undervoltage trip coil is restored to 85% of the rated voltage.
Number of normally closed (NC) contacts
0
Number of normally open (NO) contacts
0
Number of switching contacts
0
Rated control supply voltage Us AC at 50 Hz up to
400 В
Rated control supply voltage Us AC at 50 Hz from
400 В
Suitable for load-break switch
No
Suitable for motor protection switch
Yes
Suitable for overload relay
No
Suitable for power circuit breaker
Yes
Switch-on current type
Alternating current (AC)
With time delay
No
0
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