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Square D SDT120GFI - GFCI Breaker 20A 1-Pole

United Fuses
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Square D SDT120GFI is a 1-pole ground fault circuit breaker designed to protect 120V AC electrical systems from overloads, short circuits, and ground faults. It is rated for 20 amps with a 10kA interrupting capacity and utilizes a thermal magnetic trip unit for reliable overcurrent protection. The unit features a plug-on (clip-on) mounting style and weighs 5.19 lb, ensuring secure installation in compatible load centers. This breaker is UL Listed, meeting stringent safety and performance standards for industrial and commercial environments. It is commonly applied in power distribution systems where ground fault protection is required to safeguard personnel and equipment.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: SDT120GFI
  • Amperage: 20A
  • Voltage Rating: 120V AC
  • Poles: 1
  • Interrupting Rating: 10kA @ 120V
  • Mounting Type: Plug-On (clip-on)
  • Series/Frame: Trilliant SDT
  • Trip Unit: Thermal Magnetic
  • Ground Fault Protection: Yes (GFCI)
  • Certifications: UL Listed
  • Weight: 5.19 lb