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Square D FA14050A - Molded Case Circuit Breaker 50A 277V 1P

Square D
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Square D FA14050A is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 50A current rating and a 277V AC voltage rating, suitable for single-phase applications. The breaker is constructed with a compact F-frame design, measuring 162.6 mm H x 38.1 mm W x 104.9 mm D and weighing 6 lb, and utilizes a convenient I-Line style plug-in connection. It complies with industry standards for thermal-magnetic protection, offering a combination of long-time and instantaneous (LI) trip functions with an interrupting capacity of 18kA at 277V. This breaker is typically applied in panelboards and switchboards for protecting feeders and branch circuits, operating effectively within a temperature range of -25 to 70 °C.

Key Features & Specifications
  • Type: FA Series, Molded Case, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 277V AC
  • Current Rating: 50A
  • 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 Thermal-Magnetic Trip
  • Applications: Industrial & Commercial Panelboards, Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC rating: 18kA @ 277V
  • Connection: I-Line Style Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: F Frame
  • Weight: 6 lb


Product Identification
  • UPC: 785901648932
  • GTIN: 00785901648932