The TEYD1020B is an industrial, single-pole molded case circuit breaker that provides overcurrent protection in electrical distribution systems, designed as part of ABB GE's TEY family and rated for 20 A to guard single-phase circuits against faults and overloads. It is rated for 120, 240, and 277 VAC, enabling use across standard commercial and light industrial power systems that supply single‑phase loads. With a TEY-type frame, the TEYD1020B combines compact construction with a proven protection solution in a molded case design, offering a dependable, branded option for installers seeking a standardized 1-pole, 20 A breaker.
