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 (HKD) 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: HK$224.08 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	HK$224.08 HK$158.73 HK$138.42 HK$127.57 View HK$110.81 HK$109.57 HK$104.48 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: HK$139.99 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	HK$139.99 HK$122.15 HK$117.55 HK$105.79 View HK$101.52 HK$93.46	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: HK$140.07 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	HK$140.07 HK$117.55 HK$73.82	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: HK$166.29 26In 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	26In Stock	HK$166.29 HK$138.42 HK$127.25 HK$105.46 View HK$97.16 HK$87.21 HK$80.23 HK$73.82	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 5A 250VAC 125VDC Class RK5 FLNR005.T Littelfuse 1: HK$126.83 1In 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	1In Stock	HK$126.83 HK$105.22 HK$97.08 HK$83.27 View HK$74.23 HK$66.58 HK$61.32 HK$56.39	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: HK$102.17 5In 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	5In Stock	HK$102.17 HK$84.83 HK$78.25 HK$64.86 View HK$59.84 HK$53.68 HK$49.40 HK$45.46	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: HK$102.17 213In 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	213In Stock	HK$102.17 HK$93.87 HK$90.34 HK$69.54 View HK$59.84 HK$55.57 HK$49.40 HK$45.46	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 35A 250VAC 125VDC Class RK5 FLNR035.T Littelfuse 1: HK$182.32 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	HK$182.32 HK$157.58 HK$139.58 HK$115.66 View HK$106.61 HK$95.68 HK$88.04 HK$81.21	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: HK$182.32 26In Stock	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	26In Stock	HK$182.32 HK$146.64 HK$136.86 HK$115.66 View HK$106.61 HK$95.68 HK$88.04 HK$81.21	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: HK$187.17 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	HK$187.17 HK$160.37 HK$138.34 HK$117.63 View HK$107.35 HK$98.48 HK$90.09 HK$86.15	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: HK$182.32 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	HK$182.32 HK$137.19 HK$122.07 HK$110.64 View HK$106.61 HK$95.68 HK$88.04 HK$81.21	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: HK$146.07 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	HK$146.07 HK$121.16 HK$92.64 HK$85.41 View HK$76.61 HK$70.53 HK$64.86	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: HK$114.01 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	HK$114.01 HK$111.46 HK$70.03	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 30A 250VAC 125VDC Class RK5 FLNR030.T Littelfuse 1: HK$104.15 50In Stock 30Expected 16/11/2026	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	50In Stock 30Expected 16/11/2026	HK$104.15 HK$95.68 HK$92.15 HK$70.86 View HK$60.99 HK$56.64 HK$50.39 HK$46.36	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.TXID Littelfuse 1: HK$201.72 8Expected 17/11/2026	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 17/11/2026	HK$201.72 HK$158.73 HK$143.19 HK$135.22 View HK$126.92 HK$122.56 HK$118.04 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 12A 250VAC 125VDC Class RK5 FLNR012.T Littelfuse 1: HK$134.89 6Expected 10/11/2026	Mfr. Part No. FLNR012.T Mouser Part No 576-FLNR012.T	Littelfuse	Industrial & Electrical Fuses 12A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	6Expected 10/11/2026	HK$134.89 HK$110.23 HK$100.37 HK$86.56 View HK$77.10 HK$72.83 HK$66.99 HK$61.65	Min.: 1 Mult.: 1	No	Surge Suppression Fuses	12 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: HK$135.88 289Factory Stock Available	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	289Factory Stock Available More Info Available	HK$135.88 HK$111.87 HK$102.83 HK$87.21 View HK$77.68 HK$71.19 HK$65.43 HK$62.06	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: HK$135.88 393Factory Stock Available	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	393Factory Stock Available More Info Available	HK$135.88 HK$111.87 HK$102.50 HK$87.21 View HK$77.68 HK$70.03 HK$67.49 HK$62.06	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: HK$139.99 171Factory Stock Available	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	171Factory Stock Available More Info Available	HK$139.99 HK$116.15 HK$106.61 HK$95.60 View HK$89.43 HK$73.82	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: HK$135.88 27Factory Stock Available	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	27Factory Stock Available More Info Available	HK$135.88 HK$111.87 HK$98.23 HK$87.21 View HK$77.68 HK$73.32 HK$65.35 HK$62.06	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 25A 250VAC 125VDC Class RK5 FLNR025.T Littelfuse 1: HK$104.97 56,870Factory Stock Available	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	56,870Factory Stock Available More Info Available	HK$104.97 HK$89.93 HK$82.94 HK$68.80 View HK$59.84 HK$55.57 HK$50.39 HK$48.25	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: HK$206.32 2,158Factory Stock Available	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	2,158Factory Stock Available More Info Available	HK$206.32 HK$175.00 HK$143.03 HK$127.25 View HK$115.66 HK$106.94 HK$99.30 HK$97.65	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
Industrial & Electrical Fuses 45A 250VAC 125VDC Class RK5 FLNR045.T Littelfuse 1: HK$187.17 2,192Stock 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	2,192Stock Available More Info Available	HK$187.17 HK$157.58 HK$141.71 HK$122.64 View HK$106.61 HK$98.48 HK$90.91 HK$86.15	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 50A 250VAC 125VDC Class RK5 FLNR050.TXID Littelfuse 1: HK$201.72 322Factory Stock Available	Mfr. Part No. FLNR050.TXID Mouser Part No 576-FLNR050.TXID	Littelfuse	Industrial & Electrical Fuses 50A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	322Factory Stock Available More Info Available	HK$201.72 HK$174.35 HK$159.80 HK$138.01 View HK$117.96 HK$109.00 HK$98.06 HK$93.38	Min.: 1 Mult.: 1	No	Surge Suppression Fuses	50 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 70A 250VAC 125VDC Class RK5 FLNR070.V Littelfuse 1: HK$376.07 3,142Factory Stock Available	Mfr. Part No. FLNR070.V Mouser Part No 576-FLNR070.V	Littelfuse	Industrial & Electrical Fuses 70A 250VAC 125VDC Class RK5 Learn More about Littelfuse flnr dual element fuses	Datasheet	3,142Factory Stock Available More Info Available	HK$376.07 HK$312.03 HK$287.86 HK$238.38 View HK$219.64 HK$200.98 HK$186.59	Min.: 1 Mult.: 1	No	Surge Suppression Fuses	70 A	250 VAC	Time-Delay Fuses	125 VDC	20 kA	Cartridge Blade Fuses	Holder	Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FLNR