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Motor control relays perform protective functions for motors or motor components to ensure proper and efficient operation. Phase monitoring relays detect faults in a 3-phase system; alternating relays balance load usage; and pump seal failure relays monitor submersible pump shaft seals.
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Motor Control Relays
Category Selection
Motor control relays provide functional and protective features needed for industrial pumps and motors:
- Electrical fault monitoring
- Alternating operation
- Seal failure monitoring
For part listings and specifications, go to Shop Now
Phase Monitoring Relays
Phase monitoring relays protect against equipment failure caused by faults in a 3-phase system, such as phase reversal, phase loss, phase unbalance, overvoltage, and undervoltage.
- Compatible with Wye or Delta systems
- Range of voltage inputs
- Provide protection even when regenerative voltages are present
Alternating Relays
Alternating relays provide significant cost savings and vastly increase equipment life by equalizing the run time of two loads in redundant or lead/lag applications such as pumps, compressors, air conditioning, or refrigeration systems.
Pump Seal Failure Relays
The most common premature motor failures are caused by bearing issues due to lubrication loss and contamination ingress.
Pump seal failure relays save money by providing an alarm output when a leak is detected, alerting service personnel that routine maintenance is required to protect the motor from irreversible damage.
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