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Cutler Hammer KW3400 - Molded Case Circuit Breaker 400A 690V IEC

Cutler Hammer
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Cutler Hammer KW3400 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 400A current rating and a 690V voltage rating, housed within a compact, durable K-frame construction measuring 4.1 in (D) x 5.5 in (H) x 5.5 in (W) and weighing 11.84 lb. This IEC-rated breaker complies with international standards and utilizes a thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions, offering an interrupting capacity of 40kA at 415V. Its feed-thru connection and robust design make it suitable for panelboards, switchboards, and motor control centers in demanding commercial and industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, K Frame
  • Voltage Rating: 690V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Standards: IEC Rated
  • Applications: Industrial Power Distribution, Panelboards, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • AIC Rating: 40kA @ 415V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: K Frame
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Family: Series C IEC
  • Weight: 11.84 lb
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679010341
  • GTIN: 00786679010341