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Square D KC32175 - 3-Pole 175A Thermal Magnetic Breaker

Square D
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Square D KC32175 Circuit Breaker - 3-Pole 175A Thermal Magnetic The Square D KC32175 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It features a 175A continuous current rating with a maximum voltage of 240V AC, providing reliable protection through a thermal magnetic trip mechanism with long-time and instantaneous (LI) functions. This unit weighs 13 lb and utilizes an I-Line style plug-in connection for straightforward installation into compatible Square D panelboards. It complies with industry standards and carries a high interrupting capacity of 100kA at 240V AC, making it suitable for applications requiring robust fault current handling. Typical uses include main or branch circuit protection in commercial and industrial electrical panels, motor control centers, and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 100kA@240V
  • Weight: 13 lb
  • Functions: LI - Long-Time and Instantaneous


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