FLNR Dual-Element Time-Delay Fuses

Littelfuse FLNR Dual-Element Time-Delay Fuses feature a dual-element design for advanced short circuit and overload protection. Available in indicating and non-indicating versions, Littelfuse FLNR Fuses are ideal for protecting a broad range of circuits, especially those containing motors. The series features a 250VAC/125VDC voltage rating and 0.1A to 600A current range.

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Qty. RoHS ECAD Model Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Class
Indicator Style
Packaging
Series
Littelfuse Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 45 A 250 VAC Time-Delay Fuses 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Fuses Open Fuse Bulk FLNR_XID
Littelfuse Industrial & Electrical Fuses 4.5A 250VAC 125VDC Class RK5
Datasheet
3In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 4.5 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 1A 250VAC 125VDC Class RK5
Datasheet
36In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 1 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 5A 250VAC 125VDC Class RK5
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 5 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 10A 250VAC 125VDC Class RK5
Datasheet
20In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 10 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 15A 250VAC 125VDC Class RK5
Datasheet
10In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 15 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 20A 250VAC 125VDC Class RK5
Datasheet
219In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 20 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 30A 250VAC 125VDC Class RK5
Datasheet
5In Stock
20Expected 8/3/2026
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 30 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5
Datasheet
16In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 40 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 60A 250VAC 125VDC Class RK5
Datasheet
8In Stock
10Expected 8/7/2026
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 60 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 9A 250VAC 125VDC Class RK5
Datasheet
10In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 9 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 4A 250VAC 125VDC Class RK5
Datasheet
3Expected 7/29/2026
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 4 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 3.2A 250VAC 125VDC Class RK5
Datasheet
3Expected 7/29/2026
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 3.2 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 3.5A 250VAC 125VDC Class RK5
Datasheet
3Expected 7/29/2026
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 3.5 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5
Datasheet
20Stock Available
More Info Available
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 45 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 2A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 2 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 3A 250VAC 125VDC Class RK5
Datasheet
Lead-Time 8 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 3 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 6A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 6 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 7A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 7 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 8A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 8 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 25A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 25 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 35 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 35 A 250 VAC Time-Delay Fuses 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Fuses Open Fuse Bulk FLNR_XID
Littelfuse Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 40 A 250 VAC Time-Delay Fuses 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Fuses Open Fuse Bulk FLNR_XID
Littelfuse Industrial & Electrical Fuses 50A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 50 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR