Circuit Protection – Mouser United Kingdom

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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.
Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED L50QS350.V Littelfuse 1: £100.68 56In Stock	Mfr. Part No. L50QS350.V Mouser Part No 576-L50QS350.V	Littelfuse	Industrial & Electrical Fuses 350A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	56In Stock	£100.68 £99.43	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED L70QS450.X Littelfuse 1: £268.12 5In Stock	Mfr. Part No. L70QS450.X Mouser Part No 576-L70QS450.X	Littelfuse	Industrial & Electrical Fuses 450A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	5In Stock	£268.12 £233.58	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 600VAC J Fuses 0JLS100.V Littelfuse 1: £71.06 128In Stock	Mfr. Part No. 0JLS100.V Mouser Part No 576-0JLS100.V	Littelfuse	Industrial & Electrical Fuses 100A 600VAC J Fuses Learn More about Littelfuse hvacr solutions	Datasheet	128In Stock	£71.06 £65.53 £54.20 £49.90	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 25A 600VAC J Fuses 0JLS025.T Littelfuse 1: £30.56 153In Stock	Mfr. Part No. 0JLS025.T Mouser Part No 576-0JLS025.T	Littelfuse	Industrial & Electrical Fuses 25A 600VAC J Fuses Learn More about Littelfuse hvacr solutions	Datasheet	153In Stock	£30.56 £28.04 £21.20 £20.60	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 600VAC 300VDC Class T JLLS300.X Littelfuse 1: £175.57 5In Stock	Mfr. Part No. JLLS300.X Mouser Part No 576-JLLS300.X	Littelfuse	Industrial & Electrical Fuses 300A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	5In Stock	£175.57 £145.55 £134.19 £110.88	Min.: 1 Mult.: 1
Fuse Holder CLASS J FUSEBLOCK 600V 60A 1P NON-ID LFJ600601C Littelfuse 1: £30.67 1In Stock	Mfr. Part No. LFJ600601C Mouser Part No 576-LFJ600601C	Littelfuse	Fuse Holder CLASS J FUSEBLOCK 600V 60A 1P NON-ID Learn More about Littelfuse hvacr solutions	Datasheet	1In Stock	£30.67 £23.66 £22.34 £21.04 View £20.18 £19.43 £18.95 Quote	Min.: 1 Mult.: 1
Fuse Holder CLASS T FUSE BLOCK 600V 600A 1 POLE LFT606001CS Littelfuse 1: £270.22 3In Stock	Mfr. Part No. LFT606001CS Mouser Part No 576-LFT606001CS	Littelfuse	Fuse Holder CLASS T FUSE BLOCK 600V 600A 1 POLE	Datasheet	3In Stock	£270.22 £240.28 £233.40 Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T JLLS450.XXP Littelfuse 1: £380.94 2In Stock	Mfr. Part No. JLLS450.XXP Mouser Part No 576-JLLS450.XXP	Littelfuse	Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T Learn More about Littelfuse hvacr solutions	Datasheet	2In Stock	£380.94 £315.66 £290.90	Min.: 1 Mult.: 1
Fuse Holder CLASS J FUSEBLOCK 600V 30A 2P NON-ID LFJ600302C Littelfuse 1: £52.96 3In Stock	Mfr. Part No. LFJ600302C Mouser Part No 576-LFJ600302C	Littelfuse	Fuse Holder CLASS J FUSEBLOCK 600V 30A 2P NON-ID Learn More about Littelfuse hvacr solutions	Datasheet	3In Stock	£52.96 £35.55 £32.99 £29.23 View £28.93 £28.17 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T JLLS030.TXP Littelfuse 1: £26.65 6In Stock	Mfr. Part No. JLLS030.TXP Mouser Part No 576-JLLS030.TXP	Littelfuse	Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T Learn More about Littelfuse hvacr solutions	Datasheet	6In Stock	£26.65 £22.11 £19.02 £16.54 View £15.25 £14.99	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 40A 600VAC 300VDC CLASS T JLLS040.TXP Littelfuse 1: £38.64 3In Stock	Mfr. Part No. JLLS040.TXP Mouser Part No 576-JLLS040.TXP	Littelfuse	Industrial & Electrical Fuses 40A 600VAC 300VDC CLASS T Learn More about Littelfuse hvacr solutions	Datasheet	3In Stock	£38.64 £37.50 £27.20	Min.: 1 Mult.: 1
Fuse Holder CLASS T FUSE BLOCK 600V 30A 3 POLE LFT600303C Littelfuse 1: £46.77 547In Stock 575Expected 11/11/2026	Mfr. Part No. LFT600303C Mouser Part No 576-LFT600303C	Littelfuse	Fuse Holder CLASS T FUSE BLOCK 600V 30A 3 POLE	Datasheet	547In Stock 575Expected 11/11/2026	£46.77 £38.80 £38.26 £32.00 £30.01	Min.: 1 Mult.: 1
Fuse Holder CLASS T FUSE BLOCK 600V 100A 3 POLE LFT601003CS Littelfuse 1: £156.83 136In Stock 187Expected 25/01/2027	Mfr. Part No. LFT601003CS Mouser Part No 576-LFT601003CS	Littelfuse	Fuse Holder CLASS T FUSE BLOCK 600V 100A 3 POLE	Datasheet	136In Stock 187Expected 25/01/2027	£156.83 £139.01 £126.35 £107.39	Min.: 1 Mult.: 1
Fuse Holder LSCR002 MODULAR PAIR LSCR002 Littelfuse 1: £31.10 1,709In Stock	Mfr. Part No. LSCR002 Mouser Part No 576-LSCR002	Littelfuse	Fuse Holder LSCR002 MODULAR PAIR	Datasheet	1,709In Stock	£31.10 £25.74 £23.68 £20.74 £20.27	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 110A 600VAC 300VDC Class T JLLS110.X Littelfuse 1: £78.94 66In Stock	Mfr. Part No. JLLS110.X Mouser Part No 576-JLLS110.X	Littelfuse	Industrial & Electrical Fuses 110A 600VAC 300VDC Class T Learn More about Littelfuse hvacr solutions	Datasheet	66In Stock	£78.94 £67.47 £60.77 £51.46 £47.38	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED L50QS090.T Littelfuse 1: £50.29 43In Stock	Mfr. Part No. L50QS090.T Mouser Part No 576-L50QS090.T	Littelfuse	Industrial & Electrical Fuses 90A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	43In Stock	£50.29 £42.25 £41.75 £31.40 View £29.79 £27.68	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED L50QS100.T Littelfuse 1: £46.27 256In Stock 120On Order	Mfr. Part No. L50QS100.T Mouser Part No 576-L50QS100.T	Littelfuse	Industrial & Electrical Fuses 100A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	256In Stock 120On Order On Order Ship Dates Mfr. No: L50QS100.T Stock: 256 Can Dispatch Immediately On Order: 90 Expected 05/11/2026 30 Expected 13/11/2026 Factory Lead Time: 11 Weeks	£46.27 £39.74 £39.19	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED L50QS150.V Littelfuse 1: £72.35 115In Stock	Mfr. Part No. L50QS150.V Mouser Part No 576-L50QS150.V	Littelfuse	Industrial & Electrical Fuses 150A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	115In Stock	£72.35 £62.07 £57.90 £48.86 View £44.99 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED L50QS200.V Littelfuse 1: £75.85 29In Stock	Mfr. Part No. L50QS200.V Mouser Part No 576-L50QS200.V	Littelfuse	Industrial & Electrical Fuses 200A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	29In Stock	£75.85 £62.91	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED L50QS250.V Littelfuse 1: £120.60 20In Stock	Mfr. Part No. L50QS250.V Mouser Part No 576-L50QS250.V	Littelfuse	Industrial & Electrical Fuses 250A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	20In Stock	£120.60 £100.01 £92.22 £76.28 £70.22	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED L50QS300.V Littelfuse 1: £120.60 27In Stock 33Expected 07/01/2027	Mfr. Part No. L50QS300.V Mouser Part No 576-L50QS300.V	Littelfuse	Industrial & Electrical Fuses 300A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	27In Stock 33Expected 07/01/2027	£120.60 £100.01 £92.22 £76.28 £70.22	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED L50QS600.X Littelfuse 1: £179.54 56In Stock	Mfr. Part No. L50QS600.X Mouser Part No 576-L50QS600.X	Littelfuse	Industrial & Electrical Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	56In Stock	£179.54 £148.84 £137.21 £113.39	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED L70QS100.V Littelfuse 1: £98.75 21In Stock	Mfr. Part No. L70QS100.V Mouser Part No 576-L70QS100.V	Littelfuse	Industrial & Electrical Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	21In Stock	£98.75 £84.49 £78.05 £62.45 £57.48	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED L70QS200.V Littelfuse 1: £139.17 38In Stock	Mfr. Part No. L70QS200.V Mouser Part No 576-L70QS200.V	Littelfuse	Industrial & Electrical Fuses 200A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	38In Stock	£139.17 £118.00 £108.95 £87.93	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED L70QS600.X Littelfuse 1: £308.82 15In Stock	Mfr. Part No. L70QS600.X Mouser Part No 576-L70QS600.X	Littelfuse	Industrial & Electrical Fuses 600A 700VAC 700VDC FF L70QS POWR-SPEED Learn More about Littelfuse qs high speed fuses	Datasheet	15In Stock	£308.82 £265.26 £239.56 Quote Quote	Min.: 1 Mult.: 1

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Types of Circuit Protection