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Square D KC342501021 - Molded Case Circuit Breaker 250A 480V 3-Pole

Square D
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Square D KC342501021 is a 3-pole molded case circuit breaker from the I-Line family, designed for thermal magnetic protection in industrial power distribution systems. It is rated for 480V AC, 250A continuous current, and provides long time and instantaneous trip functions with a 65kA interrupting capacity at 480V. The unit features an I-Line style plug-in connection, weighs 16 lb, and operates within a temperature range of -13 to 158 °F (-25 to 70 °C) for three-phase applications. It complies with industry standards for molded case breakers, ensuring reliable overcurrent and short-circuit protection. Typical applications include main or branch circuit protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Functions: Long Time and Instantaneous Trip
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Weight: 16 lb
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not available
  • GTIN: Not available