FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
Littelfuse FLNR004 - RK5 Time-Delay Fuse 4A 250V (200kA AIC)
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
FLNR004 Littelfuse® FLNR Series - UL Class RK5 Dual-Element Time-Delay Fuses Low Voltage Fuse 250V 4A Fuse - Essential Electric Supply
Littelfuse FLNR004 - RK5 Time-Delay Fuse 4A 250V (200kA AIC)

Littelfuse FLNR004 - RK5 Time-Delay Fuse 4A 250V (200kA AIC)

Littelfuse
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Littelfuse FLNR004 is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial applications. It features a 250V AC voltage rating and 4A current rating with a 200kA interrupting capacity at rated voltage. The fuse measures 0.56" in diameter with ferrule rejection connection terminals and weighs 18.8 lb, constructed with time-delay characteristics for overload protection. Certified to UL 248-12 Class RK5, CSA, and QPL-W-F-1814 standards, it meets stringent safety requirements for electrical distribution systems. Typical applications include motor branch circuits, transformers, and power distribution panels where reliable time-delay protection is critical.

Key Features & Specifications
  • Type: UL Class RK5 dual-element time-delay fuse
  • Voltage Rating: 250V AC
  • Current Rating: 4A
  • Dimensions: 0.56" diameter x 2" length
  • Class Rating: RK5
  • Connection: Ferrule rejection
  • Barrels: 1
  • Velocity: Time-delay (TD)
  • Certification: CE, UL 248-12 Class RK5, CSA, QPL-W-F-1814
  • AIC rating: 200kA@250V
  • Weight: 18.8 lb
  • Country of Origin: Mexico
Product Identification
  • UPC: 079458150537
  • GTIN: 00079458150537