Westinghouse EA3040 is a 40-amp, three-pole molded‑case circuit breaker designed for 3‑phase distribution in 240V systems. It is part of the Cutler Hammer EA Series and features bolt‑on mounting, a thermal‑magnetic trip unit for long‑time and instantaneous protection, and load‑side lug terminals for straightforward wiring. Rated for 240V AC, it provides a 7,000 AIC interrupt rating at 240V and a DC rating of 125/250 VDC, with a 40°C ambient operating temperature. This device is intended to protect 3‑phase circuits in low‑voltage panels and uses a compact molded‑case form factor suitable for bolted installations.
