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Square D FA14100B - Molded Case Circuit Breaker, 100A, 277V AC

Square D
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Square D FA14100B is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 100A current rating and a 277V AC voltage rating, housed within a compact F-frame measuring 162.6 mm H x 38.1 mm W x 104.9 mm D and weighing 6 lb. The breaker utilizes a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions to ensure protection coordination and complies with industry standards for safety and performance. Its I-Line style plug-in connection facilitates straightforward installation into compatible panelboards, making it suitable for a wide range of single-phase applications including lighting panels, HVAC systems, and branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In Connection
  • Voltage Rating: 277V AC
  • Current Rating: 100A
  • Dimensions: 162.6 mm H x 38.1 mm W x 104.9 mm D (6.4 in x 1.5 in x 4.13 in)
  • Standards: Industry Standard
  • Applications: Industrial & Commercial Lighting, HVAC, Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Phase: 1
  • AIC Rating: 18kA @ 277V
  • Connection: I-Line Style Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • Mounting: Plug-In
  • Family: I-Line
  • Country of Origin: Mexico
  • Weight: 6 lb


Product Identification
  • UPC: 785901540312
  • GTIN: 00785901728023