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Square D FY14100A - Molded Case Circuit Breaker 100A 277V

Square D
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  • In stock, ready to ship
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Square D FY14100A is a single-pole, I-Line style plug-in molded case circuit breaker from the I-Line family, designed for overcurrent protection in commercial and industrial power distribution systems. It is rated for 100A at 277V with a 14kA interrupting capacity at 240V, utilizing thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions for reliable fault response. The breaker features a compact, plug-in mounting configuration for straightforward installation in I-Line busway panels and weighs 2 lb. It is UL listed and CSA certified, meeting stringent safety and performance standards for North American electrical installations. This 1-phase breaker is suited for branch circuit protection in panelboards, switchboards, and busway systems requiring dependable overcurrent interruption.

Key Features & Specifications
  • Type: Molded Case
  • Family: I-Line
  • Type: FY
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 277V
  • Poles: 1
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 14kA@240V
  • Phase: 1
  • Current Rating: 100A
  • Weight: 2 lb
  • UL listed
  • CSA certified