The new Electroswitch Series 24 Serial Lock-Out Relay (SLOR) is an addressable network device (certified DNP 3.0 protocol) that provides remote trip and reset capability, trip-coil monitoring, IRIG-B ...

Entergy Corp., owner of the utility that supplies power to New Orleans, said an electrical relay that it installed to regulate power flow at the Superdome caused the blackout during the Super Bowl.