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 Series
Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Fuse Size/Group
Indicator Style
Packaging
Littelfuse Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
FLNR_XID Class RK5 Fuses 45 A 250 VAC Time Delay / Slow Blow 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Open Fuse Bulk
Littelfuse Industrial & Electrical Fuses 1A 250VAC 125VDC Class RK5
Datasheet
37In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 1 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 3A 250VAC 125VDC Class RK5
Datasheet
5In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 3 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 5A 250VAC 125VDC Class RK5
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 5 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 10A 250VAC 125VDC Class RK5
Datasheet
20In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 10 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 15A 250VAC 125VDC Class RK5
Datasheet
12In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 15 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 20A 250VAC 125VDC Class RK5
Datasheet
69In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 20 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 30A 250VAC 125VDC Class RK5
Datasheet
20In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 30 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5
Datasheet
17In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 40 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 50A 250VAC 125VDC Class RK5
Datasheet
5In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 50 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 60A 250VAC 125VDC Class RK5
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 60 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 9A 250VAC 125VDC Class RK5
Datasheet
10In Stock
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 9 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 4.5A 250VAC 125VDC Class RK5
Datasheet
3Expected 6/1/2026
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 4.5 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5
Datasheet
20Stock Available
More Info Available
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 35 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5
Datasheet
20Stock Available
More Info Available
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 45 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 2A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 2 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 4A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 4 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 6A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 6 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 7A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 11 Weeks
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 7 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 8A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 8 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 25A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1
No
FLNR Class RK5 Fuses 25 A 250 VAC Time Delay / Slow Blow 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Without Indicator Bulk
Littelfuse Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 1
Mult.: 1
No
FLNR_XID Class RK5 Fuses 35 A 250 VAC Time Delay / Slow Blow 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Open Fuse Bulk
Littelfuse Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
No
FLNR_XID Class RK5 Fuses 40 A 250 VAC Time Delay / Slow Blow 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Open Fuse Bulk
Littelfuse Industrial & Electrical Fuses 50A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 5 Weeks
Min.: 1
Mult.: 1
No
FLNR_XID Class RK5 Fuses 50 A 250 VAC Time Delay / Slow Blow 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Open Fuse Bulk
Littelfuse Industrial & Electrical Fuses 60A 250VAC 125VDC Class RK5
Datasheet
Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1
No
FLNR_XID Class RK5 Fuses 60 A 250 VAC Time Delay / Slow Blow 125 VDC 300 kA Cartridge Fuses Holder Clip Class RK5 Open Fuse Bulk