The SEL-751 is the right solution for industrial and utility feeder protection, with conventional/low-energy analog (LEA) current and voltage input support, flexible I/O options, easy mounting, and fast settings. The SEL-751 provides complete protection for radial and looped distribution circuits.

SEL-751: Modbus RTU, Event Messenger support and MIRRORED BITS® communications, load profile and breaker wear monitoring, support for 12 external RTDs (SEL-2600), IRIG-B input, advanced SEL OGIC , and IEEE

The SEL-751A Feeder Protection Relay is for industrial and utility feeder protection with flexible I/O options, easy retrofit, and fast setup and configuration. Complete feeder protection with overcurrent, voltage, and frequency elements.

May 22, 2020 · Protect radial and looped distribution circuits with comprehensive protection capabilities, including time overcurrent, directional overcurrent, autoreclosing, over-/undervoltage, frequency, cable/line thermal, and more. Apply the SEL-751 in applications that use low-energy current/voltage sensors.

Use the SEL-751 with one of the voltage input options to protect lines and equipment with rate-of-change of frequency elements, fast rate-of-change of frequency elements, definite-time and inverse-time over- and undervoltage elements, and load …

The SEL-751 Feeder Protection Relay provides a comprehensive combination of protection, fault-locating features, monitoring, control, and communication in an industrial package. Standard Protection Features.

View and Download Schweitzer Engineering Laboratories SEL-751 instruction manual online. Feeder Protection Relay. SEL-751 relays pdf manual download.

The SEL-751 provides complete feeder protection, with overcurrent, overvoltage, undervoltage, directional power, IEC cable/line thermal, vector shift, sensitive earth fault (SEF), load encroachment, and frequency elements.

The SEL-751 Feeder Protection Relay provides a comprehensive combination of protection, fault-locating features, monitoring, control, and communication in an industrial package. The SEL-751 protection features depend on the model selected .

Aug 12, 2015 · SEL-751A Feeder Protection Relay Making Electric Power Safer, More Reliable, and More Economical® Substation-Hardened Ethernet Industry-Leading Quality, Reliability, and Service —40°C +85°C Choose the SEL-751A for feeder overcurrent protection with optional arc-flash detection and Aurora mitigation. • Meets all NERC Aurora ...