SEL-551 Overcurrent/Reclosing Relay - Schweitzer Engineering …
https://selinc.com/products/551/
WEBOverview. Options. Popular Models. Software. Firmware. Comprehensive Overcurrent Protection. The SEL-551 provides phase, negative-sequence, residual ground, and neutral overcurrent protection in a compact package, including a complete set of instantaneous, definite-time, and time-overcurrent elements. acSELerator QuickSet SEL-5030 Software.
DA: 51 PA: 42 MOZ Rank: 24