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Square D Q1B350 - Molded Case Circuit Breaker 50A 3-Pole 240V

Square D
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Square D Q1B350 is a 3-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It operates at 240V with a 50A continuous current rating and a 10kA interrupting capacity at 240VAC, providing LI (Long-Time and Instantaneous) protection functions. The unit features a bolt-on connection style, weighs 2 lb, and is part of the Q1B Series with a compact molded case construction. This breaker complies with UL and NEMA standards for safe operation in commercial and industrial environments. Typical applications include motor branch circuits, lighting panels, and general-purpose power distribution in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 240V
  • Current Rating: 50A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA@240V
  • Functions: LI - Long-Time and Instantaneous
  • Family: Q1B Series
  • Weight: 2 lb
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not available
  • GTIN: Not available