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Square D QJA32150 - Molded Case Circuit Breaker 150A 3P 240V

Square D
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Square D QJA32150 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 150A current rating and a 240V AC voltage rating, housed within a compact Q-frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 6.68 lb. The breaker is constructed for robust performance with a thermal-magnetic trip unit offering long-time and instantaneous protection, and it complies with UL, CSA, NEMA, and NOM standards. Its I-Line style plug-in connection and lug terminals facilitate efficient installation in panelboards, making it suitable for a wide range of commercial and industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Dimensions: 6.47 in (164.34 mm) H x 4.5 in (114.3 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial Power Distribution, Panelboard Protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 3
  • AIC Rating: 100kA @ 240V
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Q
  • Wire Size: AWG 4, 300 KCMil Aluminum/Copper
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • Terminal Connection: I-Line, Lug


Product Identification
  • UPC: 785901705659
  • GTIN: 00785901705659