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Cutler Hammer 3TA402K - 400A Thermal-Magnetic Circuit Breaker

Cutler Hammer
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Cutler Hammer 3TA402K is a circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and a 400A current rating, housed within a robust, compact frame for durable performance. This breaker is UL Listed, ensuring compliance with critical safety and performance standards for electrical components. Its design makes it suitable for integration into panelboards, switchboards, and industrial control panels where dependable circuit protection is required.

Key Features & Specifications
  • Type: Thermal-magnetic molded case circuit breaker
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: TA
  • Trip Type: Thermal-magnetic
  • Poles: 3
  • AIC Rating: Typically 65kA at 480V AC (verify specific rating for model)
  • Connection: Lug or bus connection
  • Standards: UL 489 Listed
  • Applications: Main and branch circuit protection in industrial and commercial facilities


Product Identification
  • UPC: 786679106792
  • GTIN: 00786679106792