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.
When correct voltage and phase rotation is applied an internal dpdt relay energizes.
Applying correct voltage and phase rotation energizes the relay.
When correct voltage and phase rotation are applied the internal relay.
The model 263 continuously monitors 3 phase power systems for phase loss low voltage and phase reversal.
When properly adjusted monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
The model 269 over and under 3 phase monitor continuously monitors 3 phase lines for high voltage low voltage phase loss or phase reversal.
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The model 257 continuously monitors 3 phase power lines for abnormal conditions.
This device features a solid state voltage and phase angle sensing circuit which drives a spdt output relay.
When correct voltage and phase rotation are applied the internal relay will energize.
This device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay.
When properly adjusted the model 158 monitor will detect phase loss on a loaded motor even when regenerated voltage is present.
The device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay with one spdt and one spst contact.
This device features a solid state voltage and phase angle sensing circuit which drives a spdt output relay.
A fault condition phase loss phase reversal or low voltage drops out the relay and lights the led failure indicator.
When properly adjusted the model 252 will detect phase loss on a loaded motor even when regenerated voltage is present.
This device consists of a solid state voltage and phase angle sensing circuit driving an electromechanical relay.
The monitor consists of a solid state sensing circuit driving an electromechanical relay.
This device consists of a solid state voltage and phase angle sensing circuit driving an electro mechanical relay.
When correct voltage and phase rotation are applied the internal relay will energize.
When correct voltage and phase rotation are applied the internal relay will energize.
When phase sequence is correct and the voltage.
The model 252 3 phase monitor continuously monitors 3 phase power lines for abnormal conditions.
When properly adjusted a fault condition will cause the relay to de energize even when regenerated voltage is present.
The model 269 is independent of the system load and may be used on any horsepower motor.
When properly adjusted the model 257 monitor will detect phase loss on a loaded motor even when regenerated voltage is present.