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A1B350

Square D
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Save $-542.19
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Square D A1B350 is a 3-pole, 50 amp, 240 volt bolt-on molded case circuit breaker providing LI (Long-Time and Instantaneous) thermal magnetic protection for overcurrent conditions. It is rated for 240V AC with a 10kA interrupting capacity at that voltage, and its 3-phase, 3-pole configuration supports robust branch circuit protection. The unit weighs 2 lb and features a bolt-on connection type for secure panel mounting within the A1B series frame. It is UL Listed, ensuring compliance with industry safety standards for commercial and industrial electrical systems. This circuit breaker is suited for applications requiring reliable overcurrent protection in distribution panels and switchboards.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: A1B Series
  • Type: A1B
  • Weight: 2 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 50A
  • Amperage: 50A
  • Voltage: 240V AC
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10kA @ 240V
  • Series/Frame: A1B
  • Type: Molded Case Circuit Breaker
  • Trip Unit: Thermal Magnetic
  • Certifications: UL Listed
  • Part Number: A1B350


Square D A1B350 - Molded Case Circuit Breaker 50A 240V