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Phase loss sensors 3x400V+N 2NO/NC - CZF-331
The phase loss sensor is designed to protect an electric motor powered by a three-phase network in cases of voltage loss in at least one phase or voltage asymmetry between the phases that threatens the destruction of the motor.
Operation
Voltage loss in at least one phase or voltage asymmetry between the phases above the operational threshold causes the motor to shut down. The shutdown will occur with a delay of 4 seconds, preventing unintentional shutdown of the motor during a momentary voltage drop. Reconnection will occur automatically when the voltage increases by 5V above the operational voltage (i.e., the voltage hysteresis value). With these anomalies, starting the motor is impossible.
Attention! The use of two relay contacts allows the connection of an additional device or controlled system and an optical or acoustic signaling system that informs about the operation of the relay, i.e., the shutdown of the motor.
{Type} Phase control relay
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
