GE TEYD3100B is a three-pole molded-case circuit breaker rated at 100 A for 480Y/277 V AC three‑phase service. It provides overcurrent protection for distribution circuits in electrical panels and is identified by the TEYD3100B model number in GE’s TEY/TEYD family. This model is designed for 3‑pole, 100 A applications on 480Y/277 V systems.
