My Techfocus

First time here? Sign Up


SEL-311C Transmission Protection System

  • NG # 001417-HW-SEL-017

Manufactured by:

This seller generally responds in under 48 hours

Apply the SEL-311C Relay for protection, reclosing, monitoring, and control of transmission lines.

Specification

  • Distance Protection
  • Subcycle Distance Protection
  • Breaker Failure Detection
  • Communications-Assisted Tripping Schemes
  • Out-of-Step Blocking and Tripping
  • Innovative Logic for Secure Operation

Description

Features include a four-shot recloser, patented capacitance voltage transformer (CVT) transient overreach logic to enhance security of Zone 1 distance elements, and overcurrent elements with directional control, monitoring, and metering. Apply three-pole tripping logic, or select the SEL-311C-3 for single-pole tripping. The SEL-311C comes standard with EIA-232 serial ports as well as a 10/100 BASE-T Ethernet port for local/remote access and system integration. IEEE C37.118 compliant synchrophasors are included for improved situational awareness.