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Square D FY12020B - Molded Case 20A 120V (1-Pole Thermal Magnetic)

Square D
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Square D FY12020B is a 1-pole molded case circuit breaker from the I-Line family, designed to provide thermal magnetic protection against overloads and short circuits in electrical systems. It is rated for 120V and 20A, with LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. This single-phase breaker weighs 2 lb and features a plug-in mounting type for secure installation in compatible panelboards. It complies with industry standards for residential and commercial applications, ensuring reliable circuit protection. Typical uses include branch circuit protection in lighting, appliance, and distribution panels.

Key Features & Specifications
  • Type: Molded Case
  • Family: I-Line
  • Type: FY
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 120V
  • Poles: 1
  • Protection: Thermal Magnetic
  • Phase: 1
  • Current Rating: 20A
  • Weight: 2 lb
  • Mounting Type: Plug-in
  • Part Number: FY12020B