The 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 ...

Testing verifies that protection schemes meet their intended purpose, ensuring safety and system integrity. Function testing involves manual or electrical manipulation of components to confirm signal ...

Schweitzer Engineering Laboratories, Inc. has released the SEL-2652 Trip Coil Monitor to provide critical information to engineers and operators. Today’s power system depends on reliable circuit ...

Relay testing is one of those challenging areas where there never seems to be a shortage of questions. The technology adopted in both the relays themselves and in the equipment used to test them is ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...