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Square D FAL340451021 - Molded Case Circuit Breaker 45A 480V 3-Pole

Square D
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Square D FAL340451021 is a 3-pole thermal magnetic molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 45 amps at 480V AC with an interrupting capacity of 18kA at 480V, utilizing long time and instantaneous trip functions for reliable fault response. The unit measures 6.4 in (162.6 mm) x 4.5 in (114.3 mm) x 4.13 in (104.90 mm) and weighs 5.09 lb, featuring a feed-thru connection and a 100 amp frame. It complies with UL 489 and CSA certifications, ensuring adherence to safety standards. This breaker is suited for panel or enclosure mounting in three-phase applications requiring robust overcurrent protection.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: FAL Series
  • Country of Origin: Mexico
  • Dimensions: 6.4 in (162.6 mm) x 4.5 in (114.3 mm) x 4.13 in (104.90 mm) (Height x Width x Depth)
  • Weight: 5.09 lb
  • Functions: Long Time and Instantaneous Trip
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 18kA@480V
  • Phase: 3
  • Current Rating: 45A
  • Frame Size: 100 Amp Frame
  • Mounting Type: Molded Case
  • Certifications: UL Listed, CSA Certified


Part Number: FAL340451021