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Square D QJA221504 - Molded Case Breaker 150A 240V 2-Pole

Square D
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Square D QJA221504 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical 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 112.78 mm W x 78.49 mm D and weighing 4.66 lb. The breaker is constructed for robust performance, utilizing a thermal magnetic protection mechanism with long-time and instantaneous (LI) trip functions and is certified to UL, IEC, and CSA standards. Its I-Line style plug-in connection facilitates easy installation in panelboards, making it suitable for protecting feeders and branch circuits in a wide range of applications from -25°C to 70°C.

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 H (164.34 mm) x 4.44 in W (112.78 mm) x 3.09 in D (78.49 mm)
  • Weight: 4.66 lb
  • Standards: UL, IEC, CSA Certified
  • Applications: Industrial and Commercial Feeder/Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 100kA @ 240V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: Q Frame
  • Wire Size: 4 AWG to 300 kcmil (Aluminum/Copper)
  • Certification: UL, IEC, CSA


Product Identification
  • UPC: 078590170885
  • GTIN: 00785901708858