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FD3100.25K - Class RK1 Fuse 0.25A 600V

United Fuses
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FD3100.25K is a 0.25-amp, 600-volt AC/DC, Class RK1, time-delay fuse designed for branch circuit protection of motor circuits, transformers, and other inductive loads. This fuse features a 200,000 AIC interrupting rating, ensuring robust protection against high fault currents, and is constructed with a melamine tube and nickel-plated end caps for durability. It complies with UL 248-12 and CSA standards, making it suitable for industrial control panels, motor control centers, and distribution equipment. Typical applications include protecting motor starters, contactors, and control transformers in manufacturing and processing facilities.

Key Features & Specifications
  • Type: Class RK1, Time-Delay Fuse
  • Voltage Rating: 600 VAC/DC
  • Current Rating: 0.25 A
  • Dimensions: Not specified
  • Standards: UL 248-12, CSA
  • Applications: Motor circuit protection, transformer protection, branch circuit protection
  • Switch Type: Not applicable
  • Configuration: Not specified
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Not applicable
  • Voltage: 600 V
  • Amperage: 0.25 A
  • AIC rating: 200,000 A
  • Connection: Not specified
  • Poles: Not applicable
  • Protection: Overcurrent, short circuit
  • Functions: Time-delay
  • Frame Size: Not specified
  • Trip Type: Not applicable
  • Panel Type: Not applicable
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Nickel-plated end caps
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: RK1
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not applicable
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Clip mount
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not specified
  • 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: 0.25 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • 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 applicable
  • Standards: UL 248-12, CSA
  • Compatible Frames: Not specified
  • Installation Type: Clip mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 0.25 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
  • Weight: 5.19 lb


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