Square D EHB34070 Three Phase Circuit Breaker

Square D EHB34070 is a three‑pole molded‑case circuit breaker rated at 70 A, designed for industrial and commercial power distribution. It provides thermal‑magnetic overcurrent protection for 3‑phase circuits at a nominal voltage of 277/480 VAC and has a 14 kA interrupting capacity at 277 VAC. This bolt‑on device is rated for operation in 40°C ambient environments and is part of the Square D EHB family intended for use in panelboard installations such as EHB‑4 frame configurations. Manufactured by Square D (Schneider Electric), the EHB34070 is a robust, standard‑duty circuit breaker suited to protect feeders and distribution circuits in industrial facilities where reliable thermal‑magnetic protection is required.