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Square D A1B380 - Molded Case Circuit Breaker 80A 3-Pole 240V

Square D
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Square D A1B380 is a three-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 240V AC, 80A continuous current, and provides a 10kA interrupting capacity at 240V AC for fault clearing. The unit weighs 2 lb and features a bolt-on connection style for secure panel mounting, with LI (Long-Time and Instantaneous) trip functions for coordinated protection. This breaker complies with applicable UL and NEMA standards for molded case circuit breakers. It is typically used in 3-phase commercial and industrial load centers, panelboards, and switchboards for branch circuit and feeder protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 80A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 10kA@240V
  • Connection: Bolt-On
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb
  • Family: A1B Series
  • Item Subcategory: Molded Case


Product Identification
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