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Square D FAB14020A - Miniature Circuit Breaker 20A 120/240VAC

Square D
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Square D FAB14020A is a miniature circuit breaker designed for branch circuit protection in industrial and commercial electrical distribution systems. This single-pole breaker is rated for 120/240 VAC and provides a 20 A current rating with a 10 kAIC interrupting capacity at 120 VAC. The unit measures 6.4 inches in height, 1.5 inches in width, and 4.13 inches in depth, weighing 5.19 lb, and features a compact, plug-on construction with a thermal-magnetic trip mechanism. It complies with UL 489 and CSA C22.2 No. 5 standards, ensuring reliable overcurrent and short-circuit protection. Typical applications include lighting, appliance, and general-purpose branch circuits in load centers and panelboards.

Key Features & Specifications
  • Type: Miniature circuit breaker, thermal-magnetic, plug-on
  • Voltage Rating: 120/240 VAC
  • Current Rating: 20 A
  • Dimensions: 6.4 in (162.6 mm) x 1.5 in (38.1 mm) x 4.13 in (104.90 mm) (Height x Width x Depth)
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection in load centers and panelboards
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6.4 in x 1.5 in x 4.13 in
  • Phase: Single-phase
  • Voltage: 120/240 VAC
  • Amperage: 20 A
  • AIC rating: 10 kAIC at 120 VAC
  • Connection: Plug-on
  • Poles: 1
  • Protection: Overcurrent and short-circuit
  • Functions: Branch circuit protection
  • Frame Size: FAB
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: Miniature circuit breaker
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 60/75°C
  • 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-on
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • 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 applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 20 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 8 AWG
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw-type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: FAB series
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: FAB
  • Current Rating: 20 A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available