Arc flash protection relay / over-current / over-voltage / under-voltage
Schweitzer Engineering Laboratories
arc flash, over-current, over-voltage, under-voltage
programmable, configurable, panel-mount, digital
The SEL-751A Feeder Protection Relay is the right solution for industrial and utility feeder protection, with flexible I/O options, easy mounting, and fast settings.
Provides complete feeder protection, with overcurrent, overvoltage, undervoltage, and frequency elements. Easily upgrade protection without cutting or drilling existing cutouts with a small form factor and multiple mounting adapters. Quickly integrate into serial- or Ethernet-based communications with IEC 61850, Mirrored Bits®, DeviceNet™, and other protocols.