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Square D FAB14020B - 1-Pole 20A Thermal Magnetic Breaker

Square D
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Square D FAB14020B is a 1-pole molded case circuit breaker from the I-Line family, designed for thermal-magnetic protection against overloads and short circuits. It is rated for 20A continuous current at 277VAC, with an interrupting capacity of 18kA at 277V, and features LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. The unit weighs 6 lb and uses an I-Line style plug-in connection for secure mounting in compatible panelboards, with a single-phase configuration. This breaker is manufactured by Schneider Electric in Mexico and complies with industry standards for industrial and commercial power distribution systems. Typical applications include branch circuit protection in lighting, appliance, and motor control panels where reliable overcurrent interruption is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family
  • Voltage Rating: 277V
  • Current Rating: 20A
  • Poles: 1
  • Phase: 1
  • AIC Rating: 18kA@277V
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 6 lb
  • Manufacturer: Schneider Electric
  • Country of Origin: Mexico
  • Item Subcategory: Molded Case