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Square D Q1B330 - Molded Case 30A 3-Pole 240V Breaker

Square D
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Square D Q1B330 is a three-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in commercial and industrial power distribution systems. It is rated for 240V AC, 30A continuous current, with a 10kA interrupting capacity at 240V AC, and provides LI (Long-Time and Instantaneous) protection functions. The unit features a bolt-on connection type, weighs 2 lb, and is constructed for 3-phase applications. This breaker complies with applicable UL and NEMA standards for molded case circuit breakers. It is typically used in panelboards, switchboards, and motor control centers for branch circuit protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Bolt-On
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA@240V
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Weight: 2 lb
  • Family: Q1B Series
  • Item Subcategory: Molded Case


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