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Square D Q1280 - Molded Case Circuit Breaker 80A 240V 2-Pole

Square D
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Square D Q1280 is a 2-pole, 80A molded case circuit breaker from the Q1 Series, designed for thermal-magnetic overload and short-circuit protection in residential and light commercial power distribution. It operates at 240VAC with a 10kA interrupting capacity at 240V, providing LI (Long-Time and Instantaneous) trip functions for reliable overcurrent response. This plug-in breaker weighs 2 lb and features a compact, single-phase construction for easy installation in compatible Square D load centers and panelboards. It complies with industry standards for molded case circuit breakers, ensuring safe and consistent performance in branch circuit protection. Typical applications include main or feeder protection in 120/240VAC single-phase systems, such as lighting panels, appliance circuits, and general-purpose power distribution.

Key Features & Specifications
  • Type: Q1 Molded Case Circuit Breaker, Thermal-Magnetic, Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 80A
  • Dimensions: Not specified
  • Standards: UL Listed, CSA Certified
  • Applications: Branch circuit protection, lighting panels, appliance circuits, light commercial power distribution
  • Switch Type: Toggle
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 80A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q1
  • Trip Type: Thermal-Magnetic
  • Panel Type: QO Load Centers
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • 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-In
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not available
  • CPT: Not available
  • Full Load Amps: 80A
  • Dist Voltage: 240V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 80A
  • Full Load Amp Minimum: 80A
  • Enclosure: Open (non-enclosed)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 80A
  • Amperage Minimum: 80A
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #2/0 AWG (copper/aluminum)
  • Certification: UL 489, CSA C22.2
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Line and load lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO load centers and panelboards
  • Installation Type: Plug-in
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Q1
  • Current Rating: 80A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not specified
  • GTIN: Not specified