Eaton / Westinghouse JA3100 – 100A 3 Pole Molded Case Circuit Breaker Budget

Maintaining aging electrical infrastructure requires reliable components like the Eaton JA3100. This 100-amp, three-pole molded case circuit breaker provides thermal-magnetic protection for commercial and industrial applications. It installs into classic Westinghouse panelboards, switchboards, and motor control centers without requiring modern adapters. Rated for 25kAIC at 240VAC and 14kAIC at 600VAC, it serves as an exact fit for facilities needing to replace worn J-frame breakers.