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Over-current protection relay SEL-487Bthree-phasedifferential
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Characteristics
- Measured/monitored value
- over-current
- Network
- three-phase
- Other characteristics
- differential
Description
Bus Differential and Breaker Failure Relay
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. Superior protection performance is combined with integrated station automation features for seamless transition into new and retrofit applications.
Catalogs
2018 CATALOG
374 Pages
2017 SEL Catalog
373 Pages
Other Schweitzer Engineering Laboratories products
Substation Protection
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