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Square D QOM2150VH - 150A Main Breaker (22kA AIC)

Square D
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The Square D QOM2150VH is a molded case circuit breaker designed as a main breaker for residential and light commercial load centers, providing reliable overcurrent and short-circuit protection. It is rated for 150A at 120/240V AC and features a 22kA interrupting capacity at 240V to handle high fault currents. The unit is constructed with a compact, bolt-on design measuring 142 mm H x 91 mm W x 129 mm D and utilizes a thermal-magnetic trip mechanism for both long-time delay and instantaneous protection. It complies with UL and CSA standards and is rated for operation in temperatures from -25°C to 70°C. This breaker is typically applied as the main disconnect in Homeline and QO load centers, accommodating wire sizes from 4 AWG to 300 MCM with its lug terminals.

Key Features & Specifications
  • Type: Molded Case, Main Circuit Breaker with Thermal-Magnetic (LI) Trip
  • Voltage Rating: 120/240V AC
  • Current Rating: 150A
  • Frame Size: 100A/QO
  • Poles: 2
  • Phase: 1
  • AIC Rating: 22kA @ 240V AC
  • Connection: Bolt-On, Lug Terminal
  • Wire Size Range: 4 AWG to 300 MCM (Aluminum/Copper)
  • Protection: Thermal-Magnetic
  • Standards & Certification: UL Listed, CSA
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Dimensions (H x W x D): 142 mm x 91 mm x 129 mm (5.6 in x 3.6 in x 5.08 in)
  • Weight: 2.65 lb
  • Panel Compatibility: Homeline Load Center, QO Load Center


Product Identification
  • UPC: 785901004059
  • GTIN: 00785901004059