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Square D QO120CAFI - CAFI Breaker 120V 20A (10 kAIC)

United Fuses
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Square D QO120CAFI is a combination arc fault circuit interrupter (CAFI) breaker designed to protect branch circuits from parallel and series arcing faults, reducing the risk of electrical fires. This single-pole breaker is rated for 120V AC and 20A, with a 10 kAIC interrupting capacity, and features a compact plug-on design for easy installation in QO load centers. Constructed with a robust thermoplastic housing and copper alloy contacts, it weighs 5.19 lb and measures approximately 3.0 inches in height, 1.0 inch in width, and 2.75 inches in depth. It complies with UL 1699 and CSA C22.2 No. 5 standards, ensuring reliable performance in residential and light commercial applications where arc fault protection is required by code.

Key Features & Specifications
  • Type: Combination Arc Fault Circuit Interrupter (CAFI), single-pole, plug-on mount
  • Voltage Rating: 120V AC
  • Current Rating: 20A
  • Dimensions: 3.0 in H x 1.0 in W x 2.75 in D
  • Standards: UL 1699, CSA C22.2 No. 5
  • Applications: Residential and light commercial branch circuit protection
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable (electronic trip)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.5 in H x 1.5 in W x 3.0 in D
  • Phase: Single-phase
  • Voltage: 120V AC
  • Amperage: 20A
  • AIC rating: 10 kA at 120V AC
  • Connection: Plug-on
  • Poles: 1
  • Protection: Arc fault (series and parallel)
  • Functions: Overcurrent and arc fault protection
  • Frame Size: QO
  • Trip Type: Electronic
  • Panel Type: QO load centers
  • Breaker Type: CAFI
  • Control Voltage Minimum: 120V AC
  • Control Voltage Maximum: 120V AC
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: QO
  • Bus Type: Plug-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 75°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: Not applicable (electronic)
  • Horse Power: Not applicable
  • Aux Contacts: Not available
  • CPT: Not applicable
  • Full Load Amps: 20A
  • Dist Voltage: 120V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 20A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open (for panel installation)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 14-8 AWG copper/aluminum
  • Amperage Maximum: 20A
  • Amperage Minimum: 0A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14-8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw type
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 1699, CSA C22.2 No. 5
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 20A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable
  • Weight: 5.19 lb


Product Identification
  • UPC: 785901892832
  • GTIN: 00785901892832