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Square D KC34225 - Molded Case Circuit Breaker, 225A 480V 3-Pole

Square D
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Square D KC34225 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 225A current rating and a 480V AC voltage rating, housed within a compact K-Frame design with an I-Line style plug-in connection for simplified installation. This thermal magnetic breaker offers both long-time and instantaneous trip (LI) functions and is rated for an interrupting capacity of 65kA at 480V, ensuring robust protection against fault currents. Constructed for demanding environments, it operates reliably across a temperature range of -25 to 70 °C. It is engineered for integration into I-Line panelboards to safeguard motors, feeders, and other critical three-phase loads.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, I-Line Style Plug-In
  • Voltage Rating: 480V AC
  • Current Rating: 225A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 65kA @ 480V
  • Protection Functions: LI (Long-Time and Instantaneous Trip)
  • Connection: I-Line Plug-In
  • Operating Temperature: -25 to 70 °C (-13 to 158 °F)
  • Weight: 13 lb
  • Family: Square D I-Line


Product Identification
  • UPC: 662643913231
  • GTIN: 00662643913231