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Thomas & Betts 61965 - Class RK1 Fuse 600V 400A

Thomas & Betts
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The Thomas & Betts 61965 is a heavy-duty industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for a maximum voltage of 600V AC and a current rating of up to 400 Amps, ensuring robust performance in demanding environments. This fuse features a compact, non-renewable design with a ferrule terminal connection and a Class RK1 trip type, constructed from durable materials for reliable operation. It complies with UL and CSA standards, making it suitable for use in motor control centers, panelboards, and switchgear. Typical applications include protecting feeders, branch circuits, and motors in industrial manufacturing, commercial buildings, and utility installations.

Key Features & Specifications
  • Type: Industrial fuse, Class RK1, non-renewable
  • Voltage Rating: 600V AC
  • Current Rating: 400 Amps
  • Dimensions: Standard ferrule size
  • Standards: UL listed, CSA certified
  • Applications: Overcurrent protection for feeders, branch circuits, motors
  • Switch Type: N/A (fuse only)
  • Configuration: Single pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard fuse packaging
  • Phase: Single phase
  • Voltage: 600V AC
  • Amperage: 400 Amps
  • AIC rating: 200kA
  • Connection: Ferrule
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Current limiting
  • Frame Size: Standard
  • Trip Type: Class RK1
  • Panel Type: N/A
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Copper alloy
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: RK1
  • Insulation Temperature: 105°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: 1
  • Class Rating: RK1
  • Diameter: 2.0 inches
  • Velocity: N/A
  • Clip Center: 3.0 inches
  • Clas: RK1
  • Mounting: Clip
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: 400 Amps
  • Dist Voltage: 600V AC
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 400 Amps
  • Full Load Amp Minimum: 400 Amps
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 400 Amps
  • Amperage Minimum: 400 Amps
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Ferrule
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single phase
  • Standards: UL 248, CSA C22.2
  • Compatible Frames: N/A
  • Installation Type: Clip mount
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 400 Amps
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 105°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 74607161965
  • GTIN: 00746071619658
  • Weight: 5.19 lb