The Eaton DK3400 is a three-phase molded-case circuit breaker rated for 240 VAC, configured as a 3-pole device with a 400 A trip rating. It protects electrical feeders by interrupting fault currents at the 400 A setting, helping safeguard connected equipment and wiring in three-phase 240 V circuits. Molded-case construction supports reliable performance in demanding electrical installations.
