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SEL-700G Generator Protection Relay

The SEL-700G Relay is the right solution for utility and industrial generator protection, with an autosynchronizer, flexible I/O, and advanced communications. Apply the SEL-700G Relay for comprehensive primary and backup generator protection.

SEL-300G Generator Relay

In order to make technology available for the first time that complies with IEEE turbine protection standards, SEL has applied its expertise in the production of microprocessor-based relays to create the SEL-300G, a generator relay that includes several unique features designed for unsurpassed protection, monitoring, and control of electrical generators.

SEL-547 Distributed Generator Interconnection Relay

Apply the flexible SEL-547 at the transfer switch site (interconnection point between the utility and the customer) and at each individual generator site. When the SEL-547 at the transfer switch site detects utility supply problems, it separates the customer system from the utility supply.

SEL-2664 Field Ground Module

Add the SEL-2664 Field Ground Module to the SEL-300G Generator Relay to protect all the critical components in your generator with one comprehensive relay.

SEL-2664S 100% Stator Ground Protection

The SEL-2664S uses multisine signal injection to provide 100% stator ground protection 100 percent of the time. The relay works with the generator in or outof- service, including the generator ramp-up with no blind period.

SEL-2600 RTD Module

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SEL-2600 RTD is a microprocessor-based module, which can measure and transmit data from up to 12 RTDs and a single contact status located in transformers, breakers, motors, generators, or other system apparatus.