Sertec Protective Relay Services: protecive relay repair, buy protective relays, sell protecive relays buy, sell, repair obsolete electromechanical protective relays Sertec Relay Services
A Division of Circuit Breaker Sales NE Inc.
340 Quinnipiac St # 18
Wallingford, CT 06492
Phone: (203) 888-7500
We buy, sell and repair protective relays.
Specializing in extending the life of electromechanical protective relays of all types and manufacture from simple induction disk overcurrent relays to complex distance relays.
New ! Circuit Breaker Sales NE Inc., a Group CBS company and a leading provider of electrical power equipment, services and components is pleased to announce its acquisition of the assets of Sertec LLC of Wallingford, CT.

Sertec's facilities and inventory were included in the acquisition; and Paul Body, long-time principal of Sertec, will expand his role in the business and serve as a director in the Group's Northeast operations and expansion. "Sertec customers can expect to receive the same excellent protective relay and electronics repair and retrofits that they are accustomed too, while benefiting from the additional inventory, design, and manufacturing benefits that come from being part of Group CBS," said Bill Schofield, senior vice president of Business Development at Group CBS.

Sertec Relay Services will operate as a division of Circuit Breaker Sales NE Inc. (Seymour, CT) which is part of the Group CBS family of electrical equipment supply and service companies; and has provided power distribution products, parts, and services to commercial, industrial, municipal, and utility customers in the Northeast and mid-Atlantic for more than 22 years.

For more information, visit or call 203-888-7500.

Sertec has an extensive inventory of electromechanical protective relays, replacement parts and components; and utilize modern protective relay test equipment Sertec Protective Relay Services buys and sells protective relays and specializes in extending the life of obsolete electromechanical protective relays by providing quality repair, remanufacture and retrofit services for relays of all types and manufacture. We also service specialty electronics used in electrical power systems.

From simple overcurrent induction disk protective relays such as the GE Type IAC or Westinghouse Style CO to more complex relays such as the General Electric GCX or GCY distance relay or the Westinghouse Style KD impedance relay, we buy, sell and service them all:

  • instantaneous overcurrent relays
  • time overcurrent relays
  • directional overcurrent relays
  • differential relays
  • reverse power relays
  • phase balance relays
  • undervoltage relays
  • frequency relays
  • distance / impedance relays

To ensure proper operation and calibration, our technicians utilize modern protective relay test equipment including a comprehensive Multi-Amp RTT test table and solid state Epoch relay test sets.

Additionally we have an extensive inventory of replacement parts and components including older style switchboard meters.

Use the following links to open a list of the General Electric and Westinghouse electromechanical protective relays that we service. Click again to close the list. Don't see your relay listed? Contact us to discuss your requirements.

Please don't hesitate to contact us to discuss your requirements, answer your questions or to obtain a quotation.

Sertec Relay Services
A Division of Circuit Breaker Sales NE Inc.
340 Quinnipiac St # 18
Wallingford, CT 06492
Phone: (203) 888-7500

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