This main breaker was just removed from a working Zinsco panel this week. It was replaced recently when the home’s central air conditioner was installed. The 100 amp breaker in good working condition. The Connecticut Electric UBIZ2100 is a 2-pole, 100-amp, 240V molded case circuit breaker designed for electrical wiring in walls or interior spaces. It features manual reset functionality for instantaneous interruption in case of overloads. The gray plastic breaker operates with an on/off switch and offers overload protection for safety. With a compact design and two positions, this main breaker is suitable for any room and provides reliable protection for electrical circuits in a variety of applications.
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