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Square D QOM2150MM - Molded Case Circuit Breaker 150A 2-Pole

Square D
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Square D QOM2150MM is a molded case circuit breaker designed for main circuit protection in single-phase electrical systems. It provides a 150A current rating and 240V voltage rating with thermal-magnetic protection featuring long-time and instantaneous trip functions. The breaker features a compact bolt-on design measuring 142 mm H x 129 mm W x 91 mm D, with lug terminals accepting copper or aluminum wire from 4 AWG to 300 kcmil. It complies with UL and CSA standards and offers a 10kA interrupting rating at 240V AC. This breaker is engineered for reliable service in QO load centers across commercial and industrial applications within an operating temperature range of -25 to 70 °C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Main Breaker, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Dimensions: 142 mm H x 129 mm W x 91 mm D (5.6 in x 5.08 in x 3.6 in)
  • Weight: 2.661 lb
  • Standards: UL Listed, CSA
  • Applications: Main circuit protection for QO Load Centers in commercial/industrial settings
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-on
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-on, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Breaker Type: Main Breaker
  • Panel Type: QO Load Center
  • Wire Size: 4 AWG to 300 kcmil (Copper/Aluminum)
  • Certification: UL Listed, CSA
  • MCM Size: Min. 4 AWG, Max. 300 kcmil
  • Terminal Connection: Lug
  • Family: QOM Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901765219
  • GTIN: 00785901765219