The model 259 will detect a phase loss condition.
Time mark phase loss relay.
When properly adjusted the model 257 monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
The model 252 3 phase monitor continuously monitors 3 phase power lines for abnormal conditions.
This device consists of a solid state voltage and phase angle sensing circuit driving an electro mechanical relay.
When phase sequence is correct and the voltage.
The model 269 over and under 3 phase monitor continuously monitors 3 phase lines for high voltage low voltage phase loss or phase reversal.
This device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay.
The device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay with one spdt and one spst contact.
When correct voltage and phase rotation are applied the internal relay will energize.
When properly adjusted the model 257 monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
Over under 3 phase monitor continuously monitors 3 phase lines for high voltage low voltage phase loss or phase reversal.
When correct voltage and phase rotation is applied an internal dpdt relay energizes.
The monitor consists of a solid state sensing circuit driving an electromechanical relay.
This device features a solid state voltage and phase angle sensing circuit which drives a spdt output relay.
This device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay.
When correct voltage and phase rotation are applied the internal relay will energize.
The model 257 continuously monitors 3 phase power lines for abnormal conditions.
The model 259 3 phase monitor is designed to protect individual 3 phase equipment and motors or in conjunction with shunt trip breakers.
A fault condition phase loss phase reversal or low voltage drops out the relay and lights the led failure indicator.
When properly adjusted monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
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When correct voltage and phase rotation are applied the internal relay.
This device features a solid state voltage and phase angle sensing circuit which drives a spdt output relay.
When properly adjusted the model 158 monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
When correct voltage and phase rotation are applied the internal relay will energize.
Applying correct voltage and phase rotation energizes the relay.
This device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay.
When properly adjusted a fault condition will cause the relay to de energize even when regenerated voltage is present.
