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Square D A1B220 - Molded Case Circuit Breaker 20A 2-Pole 240V

Square D
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Square D A1B220 is a 2-pole, 20-amp molded case circuit breaker from the A1B Series, designed to provide thermal magnetic overload and short-circuit protection. It is rated for 240VAC and 48VDC operation with a 10kA interrupting capacity at 240VAC, utilizing LI (Long-Time and Instantaneous) trip functions for comprehensive circuit management. This bolt-on unit weighs 2 lb and features a compact construction suitable for single-phase load centers and panelboards. The breaker complies with standard industry requirements for commercial and industrial electrical distribution systems. Typical applications include branch circuit protection in panelboards, lighting panels, and control panels where reliable overcurrent protection is needed.

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: 240VAC, 48VDC
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA @ 240VAC
  • Phase: 1
  • Current Rating: 20A
  • Temperature Rating: 40°C
  • Part Number: A1B220


Part Number: A1B220