The Eaton DK3400W is a three-phase molded case circuit breaker designed to protect three-phase feeders and motor circuits in industrial power distributions. This 3-pole unit is built around a 400 A frame with a 350 A trip rating, providing overcurrent protection for demanding electrical installations. Model DK3400W is part of Eaton’s DK series and is intended for installation in panelboards and switchgear where reliable protection is needed in industrial environments.
