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FRN125 - Class RK1 Fuse 125A 600V (Time-Delay)

United Fuses
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FRN125 is a high-performance industrial fuse designed for overcurrent protection in power distribution systems. It is rated for 600V AC/DC and carries a current rating of 125A, ensuring robust protection against short circuits and overloads. The fuse features a compact, cylindrical body with ferrule end connections, constructed from durable ceramic and silver-plated copper elements for reliable operation. It complies with UL 248-1 and CSA C22.2 No. 248.1 standards, making it suitable for use in motor control centers, panelboards, and switchgear in manufacturing and utility applications.

Key Features & Specifications
  • Type: Class RK1, current-limiting, time-delay fuse
  • Voltage Rating: 600V AC/DC
  • Current Rating: 125A
  • Dimensions: 5.5" length x 1.06" diameter
  • Standards: UL 248-1, CSA C22.2 No. 248.1
  • Applications: Motor control centers, panelboards, switchgear, feeder circuits
  • Weight: 5.19 lb
  • Switch Type: N/A
  • Configuration: Single element
  • Coil Voltage Maximum: N/A
  • Temp Rating: 80°C maximum ambient
  • Shipping Dimensions: 6" x 2" x 2"
  • Phase: Single
  • Voltage: 600V
  • Amperage: 125A
  • AIC rating: 200kA RMS Sym.
  • Connection: Ferrule
  • Poles: 1
  • Protection: Overcurrent, short circuit
  • Functions: Current limiting, time delay
  • Frame Size: N/A
  • Trip Type: Time delay
  • Panel Type: N/A
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Silver-plated copper
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: RK1
  • Insulation Temperature: 80°C
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: RK1
  • Diameter: 1.06"
  • Velocity: N/A
  • Clip Center: 5.5"
  • Clas: N/A
  • Mounting: Clip
  • Hz: 50/60
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 125A
  • Amperage Minimum: N/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
  • Standards: UL 248-1, CSA C22.2 No. 248.1
  • Compatible Frames: N/A
  • Installation Type: Clip mount
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 125A
  • 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: Not available
  • GTIN: Not available