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Thomas & Betts NK200TB - Non-Fusible Switch 200A 600V

Thomas & Betts
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Thomas & Betts NK200TB is a non-fusible safety switch designed for reliable electrical disconnection and protection in industrial power distribution systems. It is rated for 200 amps at 600 volts AC, providing robust current handling for heavy-duty circuits. The switch features a compact NEMA 1 enclosure constructed from durable steel, weighing 5.19 lb, and is designed for surface mounting. It complies with UL 98 and CSA standards, ensuring adherence to North American safety and performance requirements. This switch is commonly used for isolating motors, transformers, and other equipment in manufacturing, commercial, and utility applications.

Key Features & Specifications
  • Type: Non-fusible safety switch, NEMA 1 steel enclosure
  • Voltage Rating: 600 V AC
  • Current Rating: 200 A
  • Dimensions: Not specified
  • Standards: UL 98, CSA
  • Applications: Motor isolation, transformer disconnection, industrial power distribution
  • Switch Type: Non-fusible
  • Configuration: 2-pole, 3-wire
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1-phase, 3-phase
  • Voltage: 600 V AC
  • Amperage: 200 A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 2
  • Protection: Non-fusible
  • Functions: Disconnect
  • Frame Size: Not specified
  • Trip Type: Not applicable
  • Panel Type: Not specified
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Steel
  • Panel Style: NEMA 1
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Surface
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 200 A
  • Amperage Minimum: Not specified
  • Nema Rating: 1
  • Switch Style: Non-fusible
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Not specified
  • Standards: UL 98, CSA
  • Compatible Frames: Not specified
  • Installation Type: Surface
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 200 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 786210820399
  • GTIN: 00 - 3