Industrial & Electrical Fuses – Mouser United Kingdom

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FRN-R/FRS-R Time-Delay Fuses

Bussmann / Eaton FRN-R/FRS-R Time-Delay Fuses are energy-efficient dual-element, current-limiting, time-delay fuses. The fuses have an optional open fuse indication on select ratings. Time-delay – 10 seconds (minimum) at 500% of rated current (8 seconds for 1⁄10-30A sizes).

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 600V 25A Dual Elemtent Time Delay FRS-R-25 Bussmann / Eaton 1: £44.18 6Expected 21/09/2026	Mfr. Part No. FRS-R-25 Mouser Part No 504-FRS-R-25	Bussmann / Eaton	Industrial & Electrical Fuses 600V 25A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	6Expected 21/09/2026	£44.18 £36.66 £34.80	Min.: 1 Mult.: 1	No	Current Limiting Fuses	25 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 12A Dual Elemtent Time Delay FRS-R-12 Bussmann / Eaton 1: £46.85 17Expected 01/12/2026	Mfr. Part No. FRS-R-12 Mouser Part No 504-FRS_R_12	Bussmann / Eaton	Industrial & Electrical Fuses 600V 12A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	17Expected 01/12/2026	£46.85 £42.13 £41.45	Min.: 1 Mult.: 1	No	Current Limiting Fuses	12 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 35A Dual Elemtent Time Delay FRS-R-35 Bussmann / Eaton 1: £76.79 10Stock Available	Mfr. Part No. FRS-R-35 Mouser Part No 504-FRS-R-35	Bussmann / Eaton	Industrial & Electrical Fuses 600V 35A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	10Stock Available More Info Available	£76.79 £63.69 £59.91	Min.: 1 Mult.: 1	No	Current Limiting Fuses	35 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 125A Dual Elemtent Time Delay FRS-R-125 Bussmann / Eaton 1: £289.77 1Stock Available	Mfr. Part No. FRS-R-125 Mouser Part No 504-FRS-R-125	Bussmann / Eaton	Industrial & Electrical Fuses 600V 125A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	1Stock Available More Info Available	£289.77 £257.97	Min.: 1 Mult.: 1	No	Current Limiting Fuses	125 A	600 VAC	Time-Delay Fuses		200 kA			Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 250A Dual Elemtent Time Delay FRS-R-250 Bussmann / Eaton 1: £587.35 1Stock Available	Mfr. Part No. FRS-R-250 Mouser Part No 504-FRS-R-250	Bussmann / Eaton	Industrial & Electrical Fuses 600V 250A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	1Stock Available More Info Available	£587.35 £553.40 £519.79	Min.: 1 Mult.: 1	No	Current Limiting Fuses	250 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 80A Dual Elemtent Time Delay FRS-R-80 Bussmann / Eaton 1: £132.98 2Stock Available	Mfr. Part No. FRS-R-80 Mouser Part No 504-FRS-R-80	Bussmann / Eaton	Industrial & Electrical Fuses 600V 80A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	2Stock Available More Info Available	£132.98 £110.25 £110.11	Min.: 1 Mult.: 1	No	Current Limiting Fuses	80 A	600 VAC	Time-Delay Fuses		200 kA			Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 90A Dual Elemtent Time Delay FRS-R-90 Bussmann / Eaton 1: £140.07 1Stock Available	Mfr. Part No. FRS-R-90 Mouser Part No 504-FRS-R-90	Bussmann / Eaton	Industrial & Electrical Fuses 600V 90A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	1Stock Available More Info Available	£140.07 £126.64 £116.75 £112.52	Min.: 1 Mult.: 1	No	Current Limiting Fuses	90 A	600 VAC	Time-Delay Fuses		200 kA			Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 250V 200A Dual Elemtent Time Delay FRN-R-200 Bussmann / Eaton 1: £182.54 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. FRN-R-200 Mouser Part No 504-FRN-R-200	Bussmann / Eaton	Industrial & Electrical Fuses 250V 200A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 4 Weeks	£182.54 £168.79	Min.: 1 Mult.: 1	No	Current Limiting Fuses	200 A	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 250V 50A Dual Elemtent Time Delay FRN-R-50 Bussmann / Eaton 1: £44.89 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. FRN-R-50 Mouser Part No 504-FRN-R-50	Bussmann / Eaton	Industrial & Electrical Fuses 250V 50A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 9 Weeks	£44.89 £37.24 £34.35 £29.28	Min.: 1 Mult.: 1	No	Current Limiting Fuses	50 A	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 600V 1.8A Dual Elemtent Time Delay FRS-R-1-8/10 Bussmann / Eaton 1: £79.67 Non-Stocked Lead-Time 5 Weeks	Mfr. Part No. FRS-R-1-8/10 Mouser Part No 504-FRS-R-1-8/10	Bussmann / Eaton	Industrial & Electrical Fuses 600V 1.8A Dual Elemtent Time Delay	Datasheet	Non-Stocked Lead-Time 5 Weeks	£79.67 £69.93	Min.: 1 Mult.: 1	No	Current Limiting Fuses	1.8 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 110A Dual Elemtent Time Delay FRS-R-110 Bussmann / Eaton 1: £365.48 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. FRS-R-110 Mouser Part No 504-FRS-R-110	Bussmann / Eaton	Industrial & Electrical Fuses 600V 110A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 12 Weeks	£365.48 £306.69 £290.39	Min.: 1 Mult.: 1	No	Current Limiting Fuses	110 A	600 VAC	Time-Delay Fuses		200 kA			Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 175A Dual Elemtent Time Delay FRS-R-175 Bussmann / Eaton 1: £370.17 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. FRS-R-175 Mouser Part No 504-FRS-R-175	Bussmann / Eaton	Industrial & Electrical Fuses 600V 175A Dual Elemtent Time Delay	Datasheet	Non-Stocked Lead-Time 12 Weeks	£370.17 £291.01 £284.48 Quote Quote	Min.: 1 Mult.: 1	No	Current Limiting Fuses	175 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 4A Dual Elemtent Time Delay FRS-R-4 Bussmann / Eaton 1: £72.82 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. FRS-R-4 Mouser Part No 504-FRS-R-4	Bussmann / Eaton	Industrial & Electrical Fuses 600V 4A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 12 Weeks	£72.82 £56.50 £48.34 £42.21	Min.: 1 Mult.: 1	No	Current Limiting Fuses	4 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 6A Dual Elemtent Time Delay FRS-R-6 Bussmann / Eaton 1: £72.51 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. FRS-R-6 Mouser Part No 504-FRS-R-6	Bussmann / Eaton	Industrial & Electrical Fuses 600V 6A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 12 Weeks	£72.51 £55.59 £48.80 £43.08 View £42.22 £41.23 Quote	Min.: 1 Mult.: 1	No	Current Limiting Fuses	6 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 65A Dual Elemtent Time Delay FRS-R-65 Bussmann / Eaton 1: £157.16 Non-Stocked Lead-Time 7 Weeks	Mfr. Part No. FRS-R-65 Mouser Part No 504-FRS-R-65	Bussmann / Eaton	Industrial & Electrical Fuses 600V 65A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 7 Weeks	£157.16 £132.44 £130.14	Min.: 1 Mult.: 1	No	Current Limiting Fuses	65 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses 600V 8A Dual Elemtent Time Delay FRS-R-8 Bussmann / Eaton 1: £51.31 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. FRS-R-8 Mouser Part No 504-FRS-R-8	Bussmann / Eaton	Industrial & Electrical Fuses 600V 8A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 12 Weeks	£51.31 £46.44 £41.25 £39.76	Min.: 1 Mult.: 1	No	Current Limiting Fuses	8 A	600 VAC	Time-Delay Fuses		200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRS-R
Industrial & Electrical Fuses FUSETRON DUAL-ELE BK/FRN-R-1 Bussmann / Eaton 100: £26.28 Non-Stocked	Mfr. Part No. BK/FRN-R-1 Mouser Part No 504-BK/FRN-R-1	Bussmann / Eaton	Industrial & Electrical Fuses FUSETRON DUAL-ELE Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked	£26.28	Min.: 100 Mult.: 100	No	Current Limiting Fuses	1 A	250 VAC	Time-Delay Fuses	125 VDC		Cartridge Fuses	Holder	Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 250V 1.25A Dual Elemtent Time Delay FRN-R-1-1/4 Bussmann / Eaton 1: £50.01 Non-Stocked	Mfr. Part No. FRN-R-1-1/4 Mouser Part No 504-FRN-R-1-1/4	Bussmann / Eaton	Industrial & Electrical Fuses 250V 1.25A Dual Elemtent Time Delay	Datasheet	Non-Stocked	£50.01 £46.95	Min.: 1 Mult.: 1	No	Current Limiting Fuses	1.25 A	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 250V 1.125A Dual Elemtent Time Delay FRN-R-1-1/8 Bussmann / Eaton 1: £50.01 Non-Stocked	Mfr. Part No. FRN-R-1-1/8 Mouser Part No 504-FRN-R-1-1/8	Bussmann / Eaton	Industrial & Electrical Fuses 250V 1.125A Dual Elemtent Time Delay	Datasheet	Non-Stocked	£50.01 £46.95	Min.: 1 Mult.: 1	No	Current Limiting Fuses	1.125 A	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 250V .5A Dual Elemtent Time Delay FRN-R-1/2 Bussmann / Eaton 1: £40.36 Non-Stocked Lead-Time 28 Weeks	Mfr. Part No. FRN-R-1/2 Mouser Part No 504-FRN-R-1/2	Bussmann / Eaton	Industrial & Electrical Fuses 250V .5A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked Lead-Time 28 Weeks	£40.36 £38.77 £37.89	Min.: 1 Mult.: 1	No	Current Limiting Fuses	500 mA	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 250V .125A Dual Elemtent Time Delay FRN-R-1/8 Bussmann / Eaton 1: £46.95 Non-Stocked	Mfr. Part No. FRN-R-1/8 Mouser Part No 504-FRN-R-1/8	Bussmann / Eaton	Industrial & Electrical Fuses 250V .125A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked	£46.95	Min.: 1 Mult.: 1	No	Current Limiting Fuses	125 mA	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses FUSETRON DUAL-ELEM CLASS RK5 INDICATI FRN-R-12ID Bussmann / Eaton 1: £42.65 Non-Stocked	Mfr. Part No. FRN-R-12ID Mouser Part No 504-FRN-R-12ID	Bussmann / Eaton	Industrial & Electrical Fuses FUSETRON DUAL-ELEM CLASS RK5 INDICATI Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked	£42.65 £36.31 £33.00 £30.56 View £29.68 £28.91 Quote	Min.: 1 Mult.: 1	No	Current Limiting Fuses	12 A	250 VAC	Time-Delay Fuses	125 VDC				Clip	Class RK5 Fuses	Open Fuse	Bulk	FRN-R
Industrial & Electrical Fuses 250V .15A Dual Elemtent Time Delay FRN-R-15/100 Bussmann / Eaton 1: £50.01 Non-Stocked	Mfr. Part No. FRN-R-15/100 Mouser Part No 504-FRN-R-15/100	Bussmann / Eaton	Industrial & Electrical Fuses 250V .15A Dual Elemtent Time Delay Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked	£50.01 £46.95	Min.: 1 Mult.: 1	No	Current Limiting Fuses	150 mA	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Clip	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses 250V 150A Dual Elemtent Time Delay FRN-R-150 Bussmann / Eaton 1: £252.54 Non-Stocked	Mfr. Part No. FRN-R-150 Mouser Part No 504-FRN-R-150	Bussmann / Eaton	Industrial & Electrical Fuses 250V 150A Dual Elemtent Time Delay	Datasheet	Non-Stocked	£252.54 £216.30 £187.67	Min.: 1 Mult.: 1	No	Current Limiting Fuses	150 A	250 VAC	Time-Delay Fuses	125 VDC	200 kA			Knife Blade	Class RK5 Fuses	Without Indicator	Bulk	FRN-R
Industrial & Electrical Fuses FUSETRON DUAL-ELEM CLASS RK5 INDICATI FRN-R-15ID Bussmann / Eaton 1: £36.54 Non-Stocked	Mfr. Part No. FRN-R-15ID Mouser Part No 504-FRN-R-15ID	Bussmann / Eaton	Industrial & Electrical Fuses FUSETRON DUAL-ELEM CLASS RK5 INDICATI Learn More about Bussmann / Eaton bussmann frn r frs r fuses	Datasheet	Non-Stocked	£36.54 £30.33 £26.73 £25.07 View £24.30 £23.43 Quote	Min.: 1 Mult.: 1	No	Current Limiting Fuses	15 A	250 VAC	Time-Delay Fuses	125 VDC				Clip	Class RK5 Fuses	Open Fuse	Bulk	FRN-R