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Square D A1B320 - Molded Case Circuit Breaker 20A 3P 240V

Square D
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Square D A1B320 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 20A current rating and a 240V AC voltage rating, engineered to interrupt faults with an interrupting capacity of 10kA at 240V. The unit is constructed as a compact, three-pole thermal-magnetic breaker with a bolt-on connection for secure installation. It complies with relevant industry standards for safety and performance, making it suitable for use in industrial control panels, HVAC systems, and commercial power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, A1B Series
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 10kA @ 240V
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame: A1B
  • Weight: 2 lb