Supplementary Motor Protectors

Supplementary Motor Protectors include monitoring relays and arcing ground fault detection systems.

Monitoring Relays

The MachineAlert™ family of dedicated function motor protection relays offers supplementary protective functions that are easily added to your motor control circuits. These relays meet application requirements for supplemental voltage-, current-, thermistor-, power-, and power factor based protection. MachineAlert relays are an economical choice for protecting equipment investments and minimizing production downtime.