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Square D FAB14020C - 20A 1-Pole Bolt-On Breaker (120/240VAC)

Square D
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Square D FAB14020C is a 20-amp, 1-pole bolt-on circuit breaker designed for overload and short-circuit protection in Square D QO load centers and panelboards. It operates at 120/240 VAC with a 10 kAIC interrupting rating, featuring a compact 1-inch wide construction with a thermal-magnetic trip mechanism for reliable overcurrent response. The breaker is UL listed and CSA certified, meeting stringent safety and performance standards for residential and light commercial electrical distribution systems. This unit is commonly used in branch circuit protection for lighting, receptacle, and appliance circuits in new construction and retrofit applications.

Key Features & Specifications
  • Type: Thermal-magnetic circuit breaker, bolt-on mount
  • Voltage Rating: 120/240 VAC
  • Current Rating: 20 Amps
  • Dimensions: 1-inch width, 3.125-inch depth, 2.875-inch height
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection in QO load centers and panelboards
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.5 x 2.5 x 1.5 inches
  • Phase: Single-phase
  • Voltage: 120/240 VAC
  • Amperage: 20 A
  • AIC rating: 10 kA at 120/240 VAC
  • Connection: Bolt-on
  • Poles: 1
  • Protection: Overload and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: QO
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel and copper alloy
  • Panel Style: Bolt-on
  • Bus Type: Tin-plated copper
  • 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: Bolt-on
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 20 A
  • Dist Voltage: 120/240 VAC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 20 A
  • Full Load Amp Minimum: 0 A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 14-8 AWG copper/aluminum
  • Amperage Maximum: 20 A
  • Amperage Minimum: 0 A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14-8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-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: Bolt-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 20 A
  • 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: 785901123456
  • GTIN: 00785901123456