.hide-partial { max-height: none; } .show-more { display: none; }

Box Circuit Protection

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 831

Applied Filters:

Packaging = Box

Manufacturer

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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 600V 225A CLASS J FUSE A4J225 Mersen 1: £382.98 2In Stock	Mfr. Part No. A4J225 Mouser Part No 737-A4J225	Mersen	Industrial & Electrical Fuses 600V 225A CLASS J FUSE	Datasheet	2In Stock	£382.98 £317.23 £292.32	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 25A CLASS J FUSE A4J25 Mersen 1: £49.11 6In Stock 10On Order	Mfr. Part No. A4J25 Mouser Part No 737-A4J25	Mersen	Industrial & Electrical Fuses 600V 25A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	6In Stock 10On Order	£49.11 £40.73 £37.57 £31.10 View £28.64 £25.67	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 30A CLASS J FUSE A4J30 Mersen 1: £40.65 13In Stock	Mfr. Part No. A4J30 Mouser Part No 737-A4J30	Mersen	Industrial & Electrical Fuses 600V 30A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	13In Stock	£40.65 £33.72 £31.10 £25.75 View £23.72 £21.27	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 40A CLASS J FUSE A4J40 Mersen 1: £72.35 10In Stock	Mfr. Part No. A4J40 Mouser Part No 737-A4J40	Mersen	Industrial & Electrical Fuses 600V 40A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	10In Stock	£72.35 £60.01 £55.33 £45.78 £42.16	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 60A CLASS J FUSE A4J60 Mersen 1: £63.55 7In Stock	Mfr. Part No. A4J60 Mouser Part No 737-A4J60	Mersen	Industrial & Electrical Fuses 600V 60A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	7In Stock	£63.55 £52.70 £48.61 £40.22 £37.03	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 70A CLASS J FUSE A4J70 Mersen 1: £106.45 6In Stock	Mfr. Part No. A4J70 Mouser Part No 737-A4J70	Mersen	Industrial & Electrical Fuses 600V 70A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	6In Stock	£106.45 £88.27 £81.39 £67.30 £61.96	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 80A CLASS J FUSE A4J80 Mersen 1: £124.10 6In Stock	Mfr. Part No. A4J80 Mouser Part No 737-A4J80	Mersen	Industrial & Electrical Fuses 600V 80A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	6In Stock	£124.10 £102.92 £94.90 £78.48 £72.24	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 500V 125A QS BLADE A50QS125-4 Mersen 1: £218.94 7In Stock	Mfr. Part No. A50QS125-4 Mouser Part No 737-A50QS125-4	Mersen	Industrial & Electrical Fuses SC FUSE 500V 125A QS BLADE	Datasheet	7In Stock	£218.94 £218.93 £150.92	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 500V 250A QS BLADE A50QS250-4 Mersen 1: £143.70 3In Stock	Mfr. Part No. A50QS250-4 Mouser Part No 737-A50QS250-4	Mersen	Industrial & Electrical Fuses SC FUSE 500V 250A QS BLADE	Datasheet	3In Stock	£143.70 £119.14 £109.84 £90.78	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 500V 600A SEMICOND FUSE (A50Q A50QS600-4 Mersen 1: £229.18 3In Stock	Mfr. Part No. A50QS600-4 Mouser Part No 737-A50QS600-4	Mersen	Industrial & Electrical Fuses 500V 600A SEMICOND FUSE (A50Q	Datasheet	3In Stock	£229.18 £179.73 £171.34 £143.91	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 500V 80A QS BLADE A50QS80-4 Mersen 1: £80.93 7In Stock 20Expected 30/10/2026	Mfr. Part No. A50QS80-4 Mouser Part No 737-A50QS80-4	Mersen	Industrial & Electrical Fuses SC FUSE 500V 80A QS BLADE	Datasheet	7In Stock 20Expected 30/10/2026	£80.93 £67.12 £57.06 £50.10 £47.13	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 94867-FUSE,FORM 101 A70QS100-4 Mersen 1: £135.20 3In Stock	Mfr. Part No. A70QS100-4 Mouser Part No 737-A70QS100-4	Mersen	Industrial & Electrical Fuses 94867-FUSE,FORM 101	Datasheet	3In Stock	£135.20 £119.13 £109.84 £90.78	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 700V 150A QS BLADE K A70QS150-4K Mersen 1: £183.53 7In Stock	Mfr. Part No. A70QS150-4K Mouser Part No 737-A70QS150-4K	Mersen	Industrial & Electrical Fuses SC FUSE 700V 150A QS BLADE K	Datasheet	7In Stock	£183.53 £152.11 £140.22 £115.86	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 15A CLASS G FUSE AG15 Mersen 1: £10.96 8In Stock	Mfr. Part No. AG15 Mouser Part No 737-AG15	Mersen	Industrial & Electrical Fuses 600V 15A CLASS G FUSE	Datasheet	8In Stock	£10.96 £8.61 £8.21 £6.91 View £6.41 £5.74 £5.29 £4.87	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 480V 30A CLASS G FUSE AG30 Mersen 1: £19.39 4In Stock	Mfr. Part No. AG30 Mouser Part No 737-AG30	Mersen	Industrial & Electrical Fuses 480V 30A CLASS G FUSE	Datasheet	4In Stock	£19.39 £15.23 £14.53 £12.24 View £11.33 £10.15 £9.36	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 480V 40A CLASS G FUSE AG40 Mersen 1: £22.23 28In Stock	Mfr. Part No. AG40 Mouser Part No 737-AG40	Mersen	Industrial & Electrical Fuses 480V 40A CLASS G FUSE	Datasheet	28In Stock	£22.23 £17.46 £16.65 £14.02 View £12.98 £11.63 £10.71	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 4A J TD NON-IND AJT4N Mersen 1: £72.76 8In Stock	Mfr. Part No. AJT4N Mouser Part No 737-AJT4N	Mersen	Industrial & Electrical Fuses 600V 4A J TD NON-IND	Datasheet	8In Stock	£72.76 £48.62 £44.86	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 1A MIDGET FUSE ATM1 Mersen 1: £25.83 77In Stock	Mfr. Part No. ATM1 Mouser Part No 737-ATM1	Mersen	Industrial & Electrical Fuses 600V 1A MIDGET FUSE	Datasheet	77In Stock	£25.83 £21.43 £19.39 £16.38 View £15.09 £13.53 £12.51	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 1/10A MIDGET FUSE ATM1/10 Mersen 1: £34.54 1In Stock	Mfr. Part No. ATM1/10 Mouser Part No 737-ATM1/10	Mersen	Industrial & Electrical Fuses 600V 1/10A MIDGET FUSE	Datasheet	1In Stock	£34.54 £30.25 £29.73 £25.17 View £23.53 £21.92 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 10A MIDGET FUSE ATM10 Mersen 1: £25.83 39In Stock	Mfr. Part No. ATM10 Mouser Part No 737-ATM10	Mersen	Industrial & Electrical Fuses 600V 10A MIDGET FUSE	Datasheet	39In Stock	£25.83 £21.43 £19.76 £16.38 View £15.09 £13.53 £12.51	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 2A MIDGET FUSE ATM2 Mersen 1: £28.46 58In Stock	Mfr. Part No. ATM2 Mouser Part No 737-ATM2	Mersen	Industrial & Electrical Fuses 600V 2A MIDGET FUSE	Datasheet	58In Stock	£28.46 £23.61 £21.77 £18.04 View £16.62 £14.91 £13.71	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 25A MIDGET FUSE ATM25 Mersen 1: £25.91 4In Stock	Mfr. Part No. ATM25 Mouser Part No 737-ATM25	Mersen	Industrial & Electrical Fuses 600V 25A MIDGET FUSE	Datasheet	4In Stock	£25.91 £21.49 £19.83 £16.42 View £15.13 £13.57 £12.55	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 3A MIDGET FUSE ATM3 Mersen 1: £25.83 41In Stock	Mfr. Part No. ATM3 Mouser Part No 737-ATM3	Mersen	Industrial & Electrical Fuses 600V 3A MIDGET FUSE	Datasheet	41In Stock	£25.83 £21.43 £19.76 £16.38 View £15.09 £13.53 £12.51	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 30A MIDGET FUSE ATM30 Mersen 1: £25.91 16In Stock	Mfr. Part No. ATM30 Mouser Part No 737-ATM30	Mersen	Industrial & Electrical Fuses 600V 30A MIDGET FUSE	Datasheet	16In Stock	£25.91 £21.49 £19.83 £16.42 View £15.13 £13.57 £12.55	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 5A MIDGET FUSE ATM5 Mersen 1: £25.83 62In Stock	Mfr. Part No. ATM5 Mouser Part No 737-ATM5	Mersen	Industrial & Electrical Fuses 600V 5A MIDGET FUSE	Datasheet	62In Stock	£25.83 £21.43 £19.76 £16.38 View £15.09 £13.53 £12.51	Min.: 1 Mult.: 1

Box Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support