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Square D QBA321756 - Molded Case Circuit Breaker 175A 240V 3-Pole

Square D
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The Square D QBA321756 is a 3-pole molded case circuit breaker from the PowerPact Q family, designed for overcurrent protection in industrial power distribution systems. It is rated for 240V AC, 175A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. This unit weighs 7 lb and features an I-Line style plug-in connection for secure panel mounting within a Q Frame. It complies with applicable industry standards and carries an AIC rating of 10kA at 240V for 3-phase systems. Typical applications include branch circuit protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, PowerPact Q Family, QBA Type
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • Frame Size: Q Frame
  • AIC Rating: 10kA@240V
  • Weight: 7 lb
  • Country of Origin: Mexico
  • Manufacturer: Schneider Electric


Product Identification
  • UPC: Not specified
  • GTIN: Not specified