SEL-487B Bus Differential and Breaker Failure Relay
TF:
001405-HW-SEL-005
Overview
The SEL-487B provides optimized, low-impedance bus differential fault detection by using high-speed, subcycle protection coupled with high-security operation for external faults.
- Low-Impedance Bus Differential Protection
- Integrated Overcurrent Protection
- Automation and Control
- Monitoring and Metering
- Three Independent Check Zones
- Advanced Open CT Detection
- Enhanced Front-Panel HMI
- SEL TiDL-Based Solutions
- Flexible Ethernet Communications
- Serial Communications
- Simplified Settings Management
Superior protection performance is combined with integrated station automation features for seamless transition into new and retrofit applications.
Transform the way you modernize your substation with optional Time-Domain Link (TiDL) technology or Sampled Values (SV)-based technology using IEC 61850-9-2.