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Square D QO120VHAFI - Molded Case Circuit Breaker 20A 120V

Square D
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The Square D QO120VHAFI is a 1-pole molded case circuit breaker from the QO Series, designed to provide arc fault and thermal-magnetic protection for branch circuits. It is rated for 120V AC with a 20A current capacity and a 22kA interrupting rating at 120V, utilizing a plug-in connection for QO load centers. This unit measures 4.8 in x 0.7 in x 2.9 in (121 mm x 19 mm x 74 mm) and weighs 0.57 lb, accommodating wire sizes from AWG 14 to AWG 8 (copper or aluminum) and operating within a temperature range of -13°F to 158°F (-25°C to 70°C). It complies with UL standards for residential and light commercial applications, featuring LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. Typical uses include protecting lighting, receptacle, and appliance circuits in single-phase systems.

Key Features & Specifications
  • Type: QO-AF Molded Case Circuit Breaker
  • Voltage Rating: 120V AC
  • Current Rating: 20A
  • Dimensions: 4.8 in (121 mm) x 0.7 in (19 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: UL Listed
  • Applications: Residential and light commercial branch circuit protection
  • Switch Type: Toggle
  • Configuration: 1-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 120V
  • Amperage: 20A
  • AIC rating: 22kA@120V
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers
  • Breaker Type: QO-AF
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Plug-In
  • Hz: 60 Hz
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: AWG 14 to AWG 8, AWG 12 to AWG 8, Cu/Al
  • Amperage Maximum: 20A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: Toggle
  • Wire Size: AWG 14 to AWG 8, AWG 12 to AWG 8, Cu/Al
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-In
  • Frequency Rating: 60 Hz
  • Phase Connection: 1-Phase
  • Standards: UL
  • Compatible Frames: QO
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: QO
  • Current Rating: 20A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901682998
  • GTIN: 00785901682998