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Eaton / Cutler-Hammer

DK3400

In Stock

400A, 3P, breaker, adjustable thermal-magnetic, UL/CSA

The Eaton DK3400 is a 3-pole molded case circuit breaker from the Series C family, designed with a K-frame and non-interchangeable adjustable thermal-magnetic trip unit. Rated for 400 A, it provides circuit protection at up to 240 Vac or 250 Vdc. With an interrupting capacity of 65 kA at 240 V AC and 10 kA at 250 V DC, this breaker is built for demanding industrial applications. Supplied with standard line and load terminals, it complies with UL 489 and CSA standards for reliable performance in North American electrical systems.

Country of Origin: DE

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  • Product Specifications
  • Technical Specifications
Brand Eaton
Model DK3400
Series Series C
Product Type Molded Case Circuit Breaker
Frame Size K
Breaker Type Type KD
Amperage 400 A
Poles 3-pole
Trip Type Non-interchangeable Adjustable Thermal-Magnetic
Terminals Standard Line & Load Terminals
Voltage Rating 240 Vac / 250 Vdc
Interrupting Capacity @ 240 V AC 65 kA
Interrupting Capacity @ 250 V DC 10 kA
Trip Function Adjustable Thermal-Magnetic
Interchangeability Non-Interchangeable Trip Unit
Certifications UL 489, CSA
Frequency 50/60 Hz

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