General
Rated control supply voltage Us at AC 50HZ	450 V
Rated control supply voltage Us at AC 60HZ	450 V
Rated control supply voltage Us at DC	0 V
Voltage type for actuating	AC
Type of electric connection	Spring clamp connection
Number of contacts as normally open contact	0
Number of contacts as normally closed contact	0
Number of contacts as change-over contact	0
Delayed
Suitable for power circuit breaker
Suitable for off-load switch
Suitable for motor safety switch
Suitable for overload relay

Undervoltage release for 380-450V AC (x160-P160-x250-P250-x630-P630). Undervoltage releases enable the remote triggering of circuit breakers and load break switches. One undervoltage release can be installed per switch.