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Square D A1B230 - Molded Case 30A 2-Pole 240V Breaker

Square D
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Square D A1B230 is a 2-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial and commercial power distribution systems. It operates at 240V with a 30A continuous current rating and a 10kA interrupting capacity at 240VAC, providing long-time and instantaneous (LI) trip functions for reliable fault isolation. The bolt-on connection ensures secure installation within compatible panelboards, with a compact frame weighing 2 lb for straightforward handling. This breaker complies with UL and NEMA standards for molded case circuit breakers, making it suitable for 1-phase applications requiring branch circuit protection. Typical uses include motor control centers, lighting panels, and general-purpose load centers in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic, Bolt-On
  • Voltage Rating: 240V
  • Current Rating: 30A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA@240V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: A1B Series
  • Weight: 2 lb
  • Standards: UL, NEMA
  • Applications: Industrial and commercial power distribution, motor control centers, lighting panels, load centers


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