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Square D QO220H - Standard Breaker 20A 240V 2-Pole

Square D
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Square D QO220H is a standard molded case circuit breaker from the QO Series designed for overcurrent protection in residential and light commercial applications. This 2-pole, 1-phase unit is rated for 240V and 20A, providing thermal-magnetic protection with LI (Long-Time and Instantaneous) functions to safeguard branch circuits. The breaker features a compact plug-in design measuring 3.0 in (76 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) and weighs 0.56 lb, with pressure plate terminals accepting wire sizes from 14 AWG to 8 AWG (Cu/Al). It is UL Listed and CSA certified, with an AIC rating of 10kA@240V, ensuring reliable performance in standard panelboards. Typical industrial applications include lighting, receptacle, and general-purpose load circuits in commercial buildings and industrial facilities.

Key Features & Specifications
  • Type: QO Series, Molded Case, Standard Breaker
  • Voltage Rating: 240V
  • Current Rating: 20A
  • Dimensions: 3.0 in (76 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: UL Listed, CSA
  • Applications: Lighting, receptacle, and general-purpose load circuits
  • Switch Type: Standard
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 20A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: Standard
  • Breaker Type: Standard
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 14 AWG (Cu/Al) Max. Wire Size 8 AWG (Cu/Al)
  • Metal Type: Not specified
  • Panel Style: Standard
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Plug-In
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 20A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Standard
  • Wire Size: 14 AWG to 8 AWG (Cu/Al)
  • Certification: UL Listed, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Pressure Plate
  • Frequency Rating: Not specified
  • Phase Connection: 1-Phase
  • Standards: UL Listed, CSA
  • Compatible Frames: Not specified
  • Installation Type: Plug-In
  • Item QTY: Not specified
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 20A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901400370
  • GTIN: 00785901400370