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Square D SL1200 - Circuit Breaker 20A 1-Pole Plug-In

Square D
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Square D SL1200 is a 1-pole plug-in circuit breaker designed for overcurrent protection in electrical distribution systems, utilizing a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions to safeguard branch circuits. It is rated for 120V AC applications with a current rating of 20A, providing reliable interruption under fault conditions. The breaker features a compact plug-in connection style for easy installation in compatible load centers, with a weight of 15 lb and a durable construction suited for industrial environments. It complies with UL and CSA standards for safety and performance in commercial and light industrial settings. Typical applications include protecting lighting, receptacle, and general-purpose circuits in panelboards and switchboards.

Key Features & Specifications
  • Type: Thermal Magnetic Circuit Breaker, Plug-In, 1-Pole
  • Voltage Rating: 120V AC
  • Current Rating: 20A
  • Dimensions: Standard 1-inch per pole width
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection in commercial and industrial panelboards
  • Switch Type: Toggle
  • Configuration: Single Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.0 x 2.0 x 1.5 inches
  • Phase: Single Phase
  • Voltage: 120V AC
  • Amperage: 20A
  • AIC rating: 10 kAIC at 120V AC
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: SL
  • Trip Type: Thermal-Magnetic
  • Panel Type: QO or NQOD load centers
  • Breaker Type: SL
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel and copper
  • Panel Style: Plug-on
  • Bus Type: Tin-plated copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: 1.0 inch
  • Clas: Not applicable
  • Mounting: Plug-In
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 1 HP at 120V AC
  • Aux Contacts: Not included
  • CPT: Not applicable
  • Full Load Amps: 20A
  • Dist Voltage: 120V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 20A
  • Full Load Amp Minimum: 20A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 20A
  • Amperage Minimum: 20A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Plug-on jaw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO, NQOD
  • Installation Type: Plug-in
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: SL
  • Current Rating: 20A
  • 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: 785901123456
  • GTIN: 00785901123456