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Square D QOB3150VH - Molded Case Breaker 150A 3P (22kA AIC)

Square D
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Square D QOB3150VH is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 150A current rating and a 120/240VAC voltage rating, housed within a compact 100A/QO frame with dimensions of 145 mm H x 114 mm W x 124 mm D and a weight of 3.979 lb. This thermal-magnetic breaker utilizes a bolt-on connection with pressure plate terminals, supports wire sizes from AWG 4 to 300 kcmil, and offers a high interrupting capacity of 22kA at 240V. It is CSA and UL Listed for compliance and is engineered for operation in temperatures from -25°C to 70°C, making it suitable for installation in Square D NQOD panelboards within commercial and industrial environments.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection with Long Time and Instantaneous Trip Functions
  • Voltage Rating: 120/240V AC
  • Current Rating: 150A
  • Frame Size: 100A/QO
  • Poles: 3
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On, Pressure Plate Terminal
  • Wire Size: 4 AWG to 300 kcmil (Copper or Aluminum)
  • Dimensions: 5.7 in H (145 mm) x 4.5 in W (114 mm) x 4.9 in D (124 mm)
  • Weight: 3.979 lb
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: CSA, UL Listed
  • Panel Type: Compatible with Square D NQOD Panelboards
  • Phase: 3
  • Breaker Type: High Interrupting Capacity
  • Shipping Dimensions: 8 in x 8 in x 8 in


Product Identification
  • UPC: 785901065517
  • GTIN: 00785901065517