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Thomas & Betts 142SL - Circuit Breaker 15A 1-Pole

Thomas & Betts
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Thomas & Betts 142SL is a circuit breaker designed for overcurrent protection in electrical distribution systems. It operates at a standard voltage rating and carries a current rating suitable for branch circuit protection, constructed with durable thermoplastic materials for reliable performance. The breaker complies with UL 489 safety standards for industrial and commercial use. It is typically applied in panelboards and load centers for lighting, appliance, and motor branch circuits.

Key Features & Specifications
  • Type: Circuit Breaker
  • Voltage Rating: 120/240 VAC
  • Current Rating: 15 A
  • Dimensions: Standard 1-inch pole width
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection in residential and light commercial panels
  • Switch Type: Toggle
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.5 x 2.5 x 1.5 inches
  • Phase: Single-phase
  • Amperage: 15 A
  • AIC rating: 10 kAIC at 120/240 VAC
  • Connection: Plug-in
  • Poles: 1
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: 1-inch
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: Standard
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: Plug-on
  • Bus Type: Tin-plated aluminum or 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: 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: 15 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #8 AWG
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-in
  • Terminal Connection: Screw type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489
  • Compatible Frames: Type BR
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 1-inch
  • Current Rating: 15 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: 786210816241
  • GTIN: 00786211000000