The Eaton CH340 is a plug-in, 3-pole circuit breaker rated for 40 A at 240 VAC. As part of the Cutler-Hammer CH series, it provides reliable overcurrent protection for three‑phase loads in 240 VAC electrical distributions. The CH340 is identified by its CH part number and configuration, making it the 3‑pole, 40‑amp option for CH‑series installations. Its plug‑in mounting supports straightforward replacement or installation in CH-series panels.
