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Square D Q432400 - 400A Molded Case Circuit Breaker (3-Pole, 240V)

Square D
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Square D Q432400 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 400A current rating and a 240V AC voltage rating, housed in a compact, rugged enclosure measuring 279.4 mm H x 152.4 mm W x 148.34 mm D and weighing 18.23 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous protection, offers a 25kA interrupting capacity at 240V, and is designed for plug-in connection to I-Line panelboards. It is engineered for operation in ambient temperatures from -25°C to 70°C, ensuring performance in demanding industrial and commercial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 400A
  • Dimensions: 279.4 mm H x 152.4 mm W x 148.34 mm D (11 in x 6 in x 5.84 in)
  • Standards: Designed to meet applicable industry standards
  • Applications: Industrial power distribution, panelboard protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • AIC Rating: 25kA @ 240V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Q4
  • Family: I-Line
  • Weight: 18.23 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901649298
  • GTIN: 00785901649298