Voltage protection relay SEL-749M

overloadover-currentphase sequence

Get comprehensive motor protection and SEL-exclusive reporting and trending that save you money in your industrial motor plant and processes. The SEL-749M Motor Relay uses the latest enhancements in the SEL-patented thermal overload model to accurately track the heating effects of operating and cyclic overload currents. The relay offers all basic motor protection features, including short-circuit, load loss, load jam, and frequent-starting protection as well as imbalance current and phase reversal protection. Add optional voltage, I/O, and communications capabilities to build the SEL-749M that is just right for your application.