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

Square D
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Square D FY14100A is a single-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 277V AC, 100A continuous current, and provides LI (Long-Time and Instantaneous) trip functions with an interrupting capacity of 14kA at 240V. This 2 lb unit features an I-Line style plug-in connection for direct mounting on Square D I-Line panelboards, with a compact molded case construction for single-phase applications. The breaker complies with UL and NEMA standards for branch circuit protection in commercial and industrial environments. Typical applications include feeder protection in lighting panels, motor control centers, and distribution boards requiring reliable short-circuit and overload interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, I-Line Plug-In
  • Voltage Rating: 277V AC
  • Current Rating: 100A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 14kA@240V
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Weight: 2 lb
  • Family: I-Line
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not available
  • GTIN: Not available