Category Archives: Relay

SEL-751 A

SEL-751 A

The SEL-751 A is a device for feeder protection for industrial utility applications. It uses Modbus, DNP, IEC, as well…

SEL-551

SEL-551

Similar to 501, the SEL 551 also provides a recloser relay, mostly for utility applications. It uses Modbus and IEC…

SEL-501

SEL-501

The SEL-501 is an overcurrent protection relay, often referred to as a universal overcurrent relay. This device can protect two…

SEL-701

SEL-701

SEL-701 is a motor protection relay. We often find the SEL-701 in more industrial applications, and some utility applications at…

T35

T35

An upgrade to SR745, the T35 is a transformer protection relay typically seen in larger power transformers at industrial facilities…

SR745

SR745

The SR745 is a transformer protection relay typically seen in larger power transformers at industrial facilities and distribution substations that…

G30/G60

G30/G60

The G30 and G60 are GE’s current generation generator protection relay. They replaced the ML489. They are part of the…

SEL-700G

SEL-700G

The 700G is a generator protection relay mostly used in emergency power supply system applications. This device supports Modbus and…

SEL-735

SEL-735

The SEL-735 is a revenue grade power quality meter that supports Modbus, DNP, and IEC protocols. It’s a good meter…

ML489

ML489

The ML489 (multilin) is the previous generation generator protection relay. It’s used in emergency power supply systems to provide electrical…