EH2B030 - 30Amp Circuit BreakerEH2B030 30 Amp Circuit Breaker If youre maintaining or servicing an existing electrical system, the EH2B030 molded case circuit breaker is exactly the kind of component you want on handsimple, dependable, and built to match the original setup without guesswork. This 2 pole, 30 amp breaker fits seamlessly into EH2 frame configurations, making it a practical choice when you need a like for like replacement that keeps your system operating as intended.