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Square D A1L370 - Molded Case Circuit Breaker 70A 3-Pole

Square D
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Square D A1L370 is a 3-pole molded case circuit breaker from the A1L Series, designed for overcurrent protection in commercial and industrial power distribution systems. It features a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions, rated for 240V AC with a 70A current rating and an interrupting capacity of 10kA at 240V. The unit weighs 2 lb, utilizes a feed-thru connection, and is built for standard panel mounting. This breaker complies with UL listing standards for reliable safety and performance. Typical applications include protecting branch circuits and equipment in industrial control panels and commercial electrical systems.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: A1L Series
  • Type: A1L
  • Weight: 2 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 70A
  • Amperage: 370A
  • Voltage Rating: 480V AC
  • Interrupt Rating: 10kA
  • Mounting Type: DIN Rail / Panel
  • Series/Frame: A1L
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed


Part Number: A1L370