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Square D QO280VH - High Interrupting Capacity 80A 2-Pole Breaker

Square D
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Square D QO280VH is a high interrupting capacity molded case circuit breaker from the QO Series, designed for overload and short-circuit protection in residential and commercial power distribution systems. This 2-pole, 80A breaker operates at 120/240V with a 22kA interrupting capacity at 120V, featuring a thermal magnetic trip mechanism that provides long time and instantaneous protection. The unit measures 3.5 in (89 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (H x W x D), weighs 0.75 lb, and uses a plug-in connection with lug terminals, accepting wire sizes from AWG 4 to AWG 2/0 copper or aluminum. It is UL Listed and CSA certified, compliant with industry standards for safety and performance, and is compatible with QO Load Centers and NQ Panelboards. Typical applications include branch circuit protection in lighting, appliance, and motor control panels within single-phase systems.

Key Features & Specifications
  • Type: QO Series, Molded Case, High Interrupting Capacity
  • Voltage Rating: 120/240V
  • Current Rating: 80A
  • Dimensions: 3.5 in (89 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: UL Listed, CSA
  • Applications: Branch circuit protection in QO Load Centers and NQ Panelboards
  • Switch Type: Thermal Magnetic
  • Configuration: 2-Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 120/240V
  • Amperage: 80A
  • AIC rating: 22kA@120V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: High Interrupting Capacity
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 8 AWG, Max. Wire Size 2 AWG
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-In
  • Hz: 60 Hz (typical for 120/240V systems)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 4 to AWG 2/0 Copper/Aluminum
  • Amperage Maximum: 80A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: AWG 4 to AWG 2/0 Copper/Aluminum
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Lug
  • Frequency Rating: 60 Hz
  • Phase Connection: 1-Phase
  • Standards: CSA, UL Listed
  • Compatible Frames: QO Load Centers and NQ Panelboards
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 100A/QO
  • Current Rating: 80A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901054993
  • GTIN: 00785901054993