Cutler-Hammer EHD3030 Bolt-On Circuit Breaker

Cutler-Hammer EHD3030 Bolt-On Circuit Breaker is a 30A, 480VAC, three-pole (3P) protective device built for bolt-on mounting. This breaker is Type EHD and carries a 14K rating, aligning with its intended interrupting capacity. As part of the Cutler-Hammer EHD family, the EHD3030 provides overcurrent protection for 480VAC three‑phase circuits, with all three phases protected by a single 3P unit. The bolt-on mounting style means the breaker attaches to compatible equipment via bolted connections, distinguishing it from plug-in alternatives. With a current rating of 30A, it is designed to interrupt fault currents while allowing normal operation of the protected circuit, subject to system design and protection coordination. The key specifications to note are: brand Cutler-Hammer, model EHD3030, current rating 30A, voltage 480VAC, configuration 3P/3PH, mounting style bolt-on, Type EHD, and interrupt rating 14K.