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Square D Q432350 - Molded Case Circuit Breaker 350A 3P (25kA AIC)

Square D
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Square D Q432350 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 350A current rating and a 240V AC voltage rating, utilizing a thermal-magnetic trip unit that combines long-time delay and instantaneous functions for comprehensive circuit protection. The breaker is constructed as a 3-pole, plug-in unit with an I-Line style connection for simplified installation into compatible panelboards, and it operates within a temperature range of -25 to 70 °C. It complies with industry standards for interrupting capacity, offering a 25kA AIC rating at 240V AC to safely clear high-level fault currents. Typical applications include protecting feeders and branch circuits in commercial and industrial facilities, data centers, and other critical infrastructure.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Style Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 350A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA @ 240V AC
  • Connection: I-Line Plug-In
  • Protection: Thermal-Magnetic (Long Time & Instantaneous Trip)
  • Trip Type: Thermal-Magnetic
  • Frame: I-Line Q4
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Weight: 4 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901649304