Square D AU20.0 - QO Circuit Breaker 20A 1-Pole
Square D AU20.0 - QO Circuit Breaker 20A 1-Pole

Square D AU20.0 - QO Circuit Breaker 20A 1-Pole

Square D
Price
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Condition
  • Low stock - 6 items left
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The Square D AU20.0 is a thermal-magnetic circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 20 amps at 240 volts AC, with a 10 kAIC interrupting capacity for reliable fault clearing. This compact unit features a 1-pole configuration with a plug-on mounting style, weighing 0.03 lb and constructed with durable thermoplastic insulation. It complies with UL 489 and CSA standards, ensuring safe operation in panelboards and load centers. Typical applications include branch circuit protection in commercial and light industrial environments.

Key Features & Specifications
  • Type: Thermal-magnetic circuit breaker
  • Voltage Rating: 240 V AC
  • Current Rating: 20 A
  • Dimensions: Compact 1-inch width per pole
  • Standards: UL 489, CSA
  • Applications: Branch circuit protection in panelboards
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: N/A (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.5 x 2.5 x 1.5 inches
  • Phase: Single-phase
  • Voltage: 240 V AC
  • Amperage: 20 A
  • AIC rating: 10 kAIC at 240 V AC
  • Connection: Plug-on
  • Poles: 1
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: QO
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: QO
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Copper alloy contacts
  • Panel Style: Plug-on
  • Bus Type: Tin-plated aluminum
  • Fuse Class: N/A
  • Insulation Temperature: 105°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: 1.0 inch
  • Clas: N/A
  • Mounting: Plug-on
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: 1 HP at 120 V AC
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: 20 A
  • Dist Voltage: 240 V AC
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 20 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open style
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: 14-8 AWG copper/aluminum
  • Amperage Maximum: 20 A
  • Amperage Minimum: 0 A
  • Nema Rating: N/A
  • Switch Style: Toggle
  • Wire Size: 14-8 AWG
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: QO
  • Current Rating: 20 A
  • 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: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901234567
  • GTIN: 00785901234567