The new 3-Phase Sequence/Loss/Undervoltage Monitoring Relay series is a state-of-the-art relay designed to address critical power quality issues such as incorrect ...

The PMRU-2C series true RMS phase monitor relays protect 3-phase equipment from damage that can occur when there is a phase loss, phase reversal, phase unbalance, undervoltage or overvoltage condition ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

SEL released two new field-upgradable cards for the SEL-751 Feeder Protection Relay, along with several enhancements that will allow it to support a wider range of applications. The two new cards ...