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Square D QBL22150 - Molded Case Circuit Breaker 150A 2-Pole

Square D
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Square D QBL22150 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 250A frame with dimensions of 164.34 mm H x 76.2 mm W x 99.82 mm D and a weight of 3.351 lb. This thermal-magnetic breaker is constructed for bolt-on connection with line/load lugs, supports wire sizes from 4 AWG to 300 MCM, and operates within a temperature range of -25 to 70 °C. It complies with UL, CSA, NEMA, and NOM standards and offers a 10kA interrupting rating at 240V for robust protection in single-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Type, LI (Long-Time & Instantaneous) Trip Functions
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Frame Size: 250A/QB
  • Poles: 2
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On, Terminal Connection: Line/Load Lug
  • Phase: 1, Phase Connection: Not Applicable
  • Dimensions: 164.34 mm H x 76.2 mm W x 99.82 mm D (6.47 in x 3 in x 3.93 in)
  • Weight: 3.351 lb
  • MCM/Wire Size: Minimum 4 AWG, Maximum 300 MCM
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Breaker Type: Standard
  • Protection: Thermal Magnetic
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901412571
  • GTIN: 00785901412571