The Eaton Cutler-Hammer HKD3400F is a three-phase industrial circuit breaker rated for 400 A at up to 600 VAC. This 3-pole device protects three-phase circuits in industrial power distribution, capable of interrupting fault current on systems operating at 600 VAC. It is intended for use in electrical panels and feeders that require a 400 A, 600 VAC breaker. Typical applications include safeguarding heavy-duty motors, feeders, and other three-phase loads in industrial environments.
