Industrial & Electrical Fuses

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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 250V_AC/125V_DC voltage rating and 0.1A to 600A current range.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	Current Rating	Voltage Rating AC	Fuse Type	Voltage Rating DC	Interrupt Rating	Body Style	Mounting Style	Termination Style	Class	Indicator Style	Packaging	Series
Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5 FLNR045.TXID Littelfuse 1: $33.37 2In Stock	Mfr. Part No. FLNR045.TXID Mouser Part No 576-FLNR045.TXID	Littelfuse	Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	2In Stock	$33.37 $26.26 $22.82 $21.00 View $18.33 $18.05 $17.20 Quote	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
Industrial & Electrical Fuses 3.5A 250VAC 125VDC Class RK5 FLNR03.5T Littelfuse 1: $23.16 8In Stock	Mfr. Part No. FLNR03.5T Mouser Part No 576-FLNR03.5T	Littelfuse	Industrial & Electrical Fuses 3.5A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	8In Stock	$23.16 $19.86 $18.26 $17.49 View $16.88 $16.44 $15.46	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
Industrial & Electrical Fuses 4.5A 250VAC 125VDC Class RK5 FLNR04.5T Littelfuse 1: $23.16 3In Stock	Mfr. Part No. FLNR04.5T Mouser Part No 576-FLNR04.5T	Littelfuse	Industrial & Electrical Fuses 4.5A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	3In Stock	$23.16 $19.88 $12.21	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
Industrial & Electrical Fuses 1A 250VAC 125VDC Class RK5 FLNR001.T Littelfuse 1: $27.51 36In Stock	Mfr. Part No. FLNR001.T Mouser Part No 576-FLNR001.T	Littelfuse	Industrial & Electrical Fuses 1A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	36In Stock	$27.51 $23.46 $21.45 $17.45 View $16.08 $14.43 $13.89	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
Industrial & Electrical Fuses 4A 250VAC 125VDC Class RK5 FLNR004.T Littelfuse 1: $21.98 5In Stock 10Expected 10/11/2026	Mfr. Part No. FLNR004.T Mouser Part No 576-FLNR004.T	Littelfuse	Industrial & Electrical Fuses 4A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	5In Stock 10Expected 10/11/2026	$21.98 $18.24 $16.82 $16.42 View $15.87 $11.59	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
Industrial & Electrical Fuses 5A 250VAC 125VDC Class RK5 FLNR005.T Littelfuse 1: $20.89 4In Stock	Mfr. Part No. FLNR005.T Mouser Part No 576-FLNR005.T	Littelfuse	Industrial & Electrical Fuses 5A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	4In Stock	$20.89 $16.85 $14.77 $13.26 View $11.93 $10.96 $10.27	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
Industrial & Electrical Fuses 15A 250VAC 125VDC Class RK5 FLNR015.T Littelfuse 1: $16.90 10In Stock	Mfr. Part No. FLNR015.T Mouser Part No 576-FLNR015.T	Littelfuse	Industrial & Electrical Fuses 15A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	10In Stock	$16.90 $15.53 $13.59 $10.73 View $9.90 $8.88 $8.17 $8.15	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
Industrial & Electrical Fuses 20A 250VAC 125VDC Class RK5 FLNR020.T Littelfuse 1: $15.42 219In Stock	Mfr. Part No. FLNR020.T Mouser Part No 576-FLNR020.T	Littelfuse	Industrial & Electrical Fuses 20A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	219In Stock	$15.42 $12.99 $12.65 $10.74 View $10.73 $8.88 $8.17	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
Industrial & Electrical Fuses 30A 250VAC 125VDC Class RK5 FLNR030.T Littelfuse 1: $17.57 22In Stock	Mfr. Part No. FLNR030.T Mouser Part No 576-FLNR030.T	Littelfuse	Industrial & Electrical Fuses 30A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	22In Stock	$17.57 $16.86 $14.10 $10.92 View $10.08 $9.04 $8.32	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
Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5 FLNR035.T Littelfuse 1: $30.15 8In Stock	Mfr. Part No. FLNR035.T Mouser Part No 576-FLNR035.T	Littelfuse	Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	8In Stock	$30.15 $25.04 $22.55 $19.14 View $17.64 $15.83 $15.38	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
Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5 FLNR040.T Littelfuse 1: $30.16 6In Stock 20Expected 21/9/2026	Mfr. Part No. FLNR040.T Mouser Part No 576-FLNR040.T	Littelfuse	Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	6In Stock 20Expected 21/9/2026	$30.16 $25.04 $22.09 $19.14 View $17.19 $15.83 $15.38	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
Industrial & Electrical Fuses 50A 250VAC 125VDC Class RK5 FLNR050.T Littelfuse 1: $30.97 3In Stock	Mfr. Part No. FLNR050.T Mouser Part No 576-FLNR050.T	Littelfuse	Industrial & Electrical Fuses 50A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	3In Stock	$30.97 $26.53 $23.56 $19.64 View $17.57 $16.12 $15.38	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
Industrial & Electrical Fuses 60A 250VAC 125VDC Class RK5 FLNR060.T Littelfuse 1: $30.16 18In Stock	Mfr. Part No. FLNR060.T Mouser Part No 576-FLNR060.T	Littelfuse	Industrial & Electrical Fuses 60A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	18In Stock	$30.16 $23.22 $20.63 $19.14 View $17.64 $15.83 $15.82 $15.46 Quote	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
Industrial & Electrical Fuses 9A 250VAC 125VDC Class RK5 FLNR009.T Littelfuse 1: $24.17 10In Stock	Mfr. Part No. FLNR009.T Mouser Part No 576-FLNR009.T	Littelfuse	Industrial & Electrical Fuses 9A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	10In Stock	$24.17 $20.05 $15.33 $14.13 $12.68	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
Industrial & Electrical Fuses 3.2A 250VAC 125VDC Class RK5 FLNR03.2T Littelfuse 1: $21.98 8In Stock	Mfr. Part No. FLNR03.2T Mouser Part No 576-FLNR03.2T	Littelfuse	Industrial & Electrical Fuses 3.2A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	8In Stock	$21.98 $18.44 $11.59	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
Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5 FLNR035.TXID Littelfuse 1: $33.37 8Expected 5/11/2026	Mfr. Part No. FLNR035.TXID Mouser Part No 576-FLNR035.TXID	Littelfuse	Industrial & Electrical Fuses 35A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	8Expected 5/11/2026	$33.37 $26.26 $23.58 $22.25 View $20.86 $20.16 $19.39 Quote	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
Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5 FLNR045.T Littelfuse 1: $30.97 20Stock Available	Mfr. Part No. FLNR045.T Mouser Part No 576-FLNR045.T	Littelfuse	Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	20Stock Available More Info Available	$30.97 $26.07 $22.45 $19.71 View $17.52 $16.16 $15.38	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
Industrial & Electrical Fuses 2A 250VAC 125VDC Class RK5 FLNR002.T Littelfuse 1: $22.77 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. FLNR002.T Mouser Part No 576-FLNR002.T	Littelfuse	Industrial & Electrical Fuses 2A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 8 Weeks	$22.77 $18.75 $16.92 $13.94 View $12.88 $12.27 $10.98 $10.91	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
Industrial & Electrical Fuses 3A 250VAC 125VDC Class RK5 FLNR003.T Littelfuse 1: $21.80 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. FLNR003.T Mouser Part No 576-FLNR003.T	Littelfuse	Industrial & Electrical Fuses 3A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 8 Weeks	$21.80 $17.58 $16.01 $13.83 View $12.53 $11.44 $10.76	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
Industrial & Electrical Fuses 6A 250VAC 125VDC Class RK5 FLNR006.T Littelfuse 1: $22.48 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. FLNR006.T Mouser Part No 576-FLNR006.T	Littelfuse	Industrial & Electrical Fuses 6A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 7 Weeks	$22.48 $18.39 $16.61 $13.68 View $12.68 $12.13 $10.80 $10.76	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
Industrial & Electrical Fuses 7A 250VAC 125VDC Class RK5 FLNR007.T Littelfuse 1: $23.16 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. FLNR007.T Mouser Part No 576-FLNR007.T	Littelfuse	Industrial & Electrical Fuses 7A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 11 Weeks	$23.16 $19.95 $18.14 $17.95 View $17.78 $12.21	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
Industrial & Electrical Fuses 8A 250VAC 125VDC Class RK5 FLNR008.T Littelfuse 1: $22.48 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. FLNR008.T Mouser Part No 576-FLNR008.T	Littelfuse	Industrial & Electrical Fuses 8A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 7 Weeks	$22.48 $18.31 $15.90 $13.70 View $12.65 $12.13 $10.78 $10.76	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
Industrial & Electrical Fuses 10A 250VAC 125VDC Class RK5 FLNR010.T Littelfuse 1: $20.70 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. FLNR010.T Mouser Part No 576-FLNR010.T	Littelfuse	Industrial & Electrical Fuses 10A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 7 Weeks	$20.70 $17.12 $15.29 $12.57 View $11.59 $10.87 $10.17	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
Industrial & Electrical Fuses 25A 250VAC 125VDC Class RK5 FLNR025.T Littelfuse 1: $17.37 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. FLNR025.T Mouser Part No 576-FLNR025.T	Littelfuse	Industrial & Electrical Fuses 25A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 7 Weeks	$17.37 $14.88 $13.70 $11.38 View $9.90 $8.99 $8.31 $8.15	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
Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5 FLNR040.TXID Littelfuse 1: $33.09 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. FLNR040.TXID Mouser Part No 576-FLNR040.TXID	Littelfuse	Industrial & Electrical Fuses 40A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	Non-Stocked Lead-Time 7 Weeks	$33.09 $27.44 $23.31 $20.77 View $18.86 $17.35 $17.01	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