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Square D QGA321506 - Molded Case 150A 3-Pole 240V

Square D
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Square D QGA321506 is a 3-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. It carries a 240V voltage rating and a 150A current rating, with a 65kA interrupting capacity at 240V for robust fault handling. The unit weighs 4 lb and features an I-Line style plug-in connection, housed in a Q Frame with thermal magnetic protection and LI (Long-Time and Instantaneous) trip functions. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in 3-phase applications. It is typically used in panelboards, switchboards, and motor control centers for commercial and industrial electrical systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, Q Frame
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 65kA@240V
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Item Subcategory: Molded Case
  • Manufacturer: Square D