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Square D Q1B3501021 - Molded Case Circuit Breaker 50A 240V 3-Pole

Square D
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Square D Q1B3501021 is a 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 50A at 240V with a 10kA interrupting capacity, utilizing a thermal magnetic trip mechanism that provides long-time and instantaneous protection. The unit features a bolt-on connection for secure panel mounting, weighs 2 lb, and operates on a 3-phase system. This breaker is UL Listed and CSA Certified, meeting rigorous safety and performance standards for reliable use in load centers and panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Series: Q1B Series
  • Current Rating: 50A
  • Voltage Rating: 240V
  • Poles: 3
  • Phase: 3
  • Interrupt Rating: 10kA@240V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Weight: 2 lb
  • Certifications: UL Listed, CSA Certified