Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker
Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker
Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker
Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker
Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker
Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker

Cutler Hammer DK3400W - 400A 3-Pole Molded Case Circuit Breaker

Cutler Hammer
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Cutler Hammer DK3400W is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 400A current rating and a 240V AC voltage rating, housed within a compact K-frame design measuring 4.1 in (D) x 5.5 in (H) x 5.5 in (W) and weighing 11.4 lb. This UL-listed breaker utilizes a thermal-magnetic trip unit for both long-time and instantaneous protection, achieving an interrupting capacity of 65kA at 240V AC. Its three-pole, bolt-on configuration is engineered for robust performance in demanding commercial and industrial applications, including main feeder and branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Standards: UL Listed
  • Applications: Main Feeder and Branch Circuit Protection in Industrial/Commercial Power Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole, Bolt-On Connection
  • Phase: 3
  • AIC Rating: 65kA @ 240V AC
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: K Frame
  • Weight: 11.4 lb
  • Certification: UL Listed
  • Family: Series C
  • Country of Origin: Dominican Republic
  • Additional Info: Lugs are not included


Product Identification
  • UPC: 786679044698
  • GTIN: 00786679044698