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KLKR-.200 - Class RK1 Fuse 200A 600V (Time-Delay)

United Fuses
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The KLKR-.200 is a 200-amp Class RK1 dual-element, time-delay fuse designed for primary protection of motors, transformers, and other inductive loads from short circuits and overloads. It is rated for 600 volts AC/DC and carries a 200-amp current rating, featuring a compact 2.25-inch by 2.38-inch body with a ferrule end connection and a rejection-style base to prevent interchangeability with lower-rated fuses. The fuse is constructed with a melamine tube and silver-plated contacts, offering a 200,000 AIC interrupting rating for high-fault applications. It complies with UL 248-12 and CSA standards, making it suitable for use in motor control centers, panelboards, and industrial distribution equipment. Typical applications include protecting motor starters, transformers, and lighting circuits in heavy industrial environments.

Key Features & Specifications
  • Type: Class RK1, dual-element, time-delay fuse
  • Voltage Rating: 600 VAC/VDC
  • Current Rating: 200 A
  • Dimensions: 2.25 in x 2.38 in (ferrule type)
  • Standards: UL 248-12, CSA
  • Applications: Motor protection, transformer protection, industrial power distribution
  • Switch Type: N/A (fuse only)
  • Configuration: Single element with time-delay
  • Coil Voltage Maximum: N/A
  • Temp Rating: -40°C to 80°C
  • Shipping Dimensions: 2.5 in x 2.5 in x 3.0 in
  • Phase: Single-phase
  • Voltage: 600 V
  • Amperage: 200 A
  • AIC rating: 200,000 A
  • Connection: Ferrule
  • Poles: 1
  • Protection: Short circuit and overload
  • Functions: Time-delay, dual-element
  • Frame Size: Class RK1
  • Trip Type: Time-delay
  • Panel Type: N/A
  • Breaker Type: Fuse
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Silver-plated contacts
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: RK1
  • Insulation Temperature: 80°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: 1
  • Class Rating: RK1
  • Diameter: 2.25 in
  • Velocity: N/A
  • Clip Center: 2.38 in
  • Clas: RK1
  • Mounting: Clip or ferrule
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: 200 A
  • Dist Voltage: 600 V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 200 A
  • Full Load Amp Minimum: 200 A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 200 A
  • Amperage Minimum: 200 A
  • 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 248-12, CSA
  • Compatible Frames: Class RK1
  • Installation Type: Clip or ferrule mount
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 200 A
  • 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: 80°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 007945826018
  • GTIN: 00079458260182