Feeder protection relay Schweitzer Engineering Laboratories

The SEL-751A Feeder Protection Relay is designed to be used in industrial and utility feeder protection, with flexible I/O and easy mounnting options. Maximize control scheme flexility with time- and instantaneous overcurrent, over- and undervoltage, and frequency elements. The four programmable front-panel pushbuttons are convenient for quick, personalized control. Choose from Ethernet or serial communications and serveral protocols including MIRRORED BITS, Modbus, and IEC 61850. The base unit includes 3 digital outputs and 2 digital inputs. There are three card slots for optional I/O cards.

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