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FA34100CBA1021

Square D
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Square D FA34100CBA1021 is a three-pole I-Line molded case circuit breaker designed for overcurrent protection in industrial panelboards and switchboards. This thermal magnetic breaker delivers LI (Long-Time and Instantaneous) trip functions with a 100A current rating and a voltage rating of 480V, providing an interrupting capacity of 18kA at 480VAC. The unit features an F Frame construction with I-Line style plug-in mounting, weighs 9 lb, and supports wire sizes from 14 to 1/0 AWG. It is UL and CSA approved for North American installations and carries an HACR rating for heating, air conditioning, and refrigeration applications. Typical applications include power distribution in commercial and industrial facilities requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: FA
  • Family: I-Line
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Voltage Rating: 480V
  • Current Rating: 100A
  • Number of Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 18kA@480V
  • Weight: 9 lb
  • Wire Range: 14 to 1/0 AWG
  • Certifications: UL, CSA Approved
  • Application: HACR Rated
  • Breaking Capacity Code: A


Square D FA34100CBA1021 - Molded Case Circuit Breaker 100A 480V 3-Pole