Schneider Electric EHB34040 3-Pole Bolt-On Circuit Breaker

Schneider Electric's Square D EHB34040 is a 40-amp, three-pole bolt-on molded‑case circuit breaker designed for 480 VAC three‑phase installations. It delivers thermal‑magnetic overcurrent protection with an interrupting capacity of 14 kA at 480 VAC, and accepts 14‑2 AWG aluminum or copper conductors. The unit mounts bolt‑on into compatible Square D EHB panelboards and is intended for use as a branch breaker in commercial and light‑industrial distribution panels. As part of the EHB family, it is rated for typical ambient temperatures around 40°C, providing reliable protection for feeders, motors, and control circuits in 3‑phase power systems. This breaker combines rugged construction with straightforward installation to safeguard electrical circuits in demanding environments.