.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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial & Electrical Fuses 600V 10A CLASS J FUSE A4J10 Mersen 1: $62.71 20In Stock	Mfr. Part No. A4J10 Mouser Part No 737-A4J10	Mersen	Industrial & Electrical Fuses 600V 10A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	20In Stock	$62.71 $52.02 $47.98 $39.72 View $36.59 $32.79	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 125A CLASS J FUSE A4J125 Mersen 1: $285.10 3In Stock	Mfr. Part No. A4J125 Mouser Part No 737-A4J125	Mersen	Industrial & Electrical Fuses 600V 125A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	3In Stock	$285.10 $219.14 $205.37 $183.22	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 150A CLASS J FUSE A4J150 Mersen 1: $247.34 2In Stock	Mfr. Part No. A4J150 Mouser Part No 737-A4J150	Mersen	Industrial & Electrical Fuses 600V 150A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	2In Stock	$247.34 $205.01 $188.98 $156.13	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 20A CLASS J FUSE A4J20 Mersen 1: $63.35 17In Stock	Mfr. Part No. A4J20 Mouser Part No 737-A4J20	Mersen	Industrial & Electrical Fuses 600V 20A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	17In Stock	$63.35 $52.55 $48.47 $40.12 View $36.96 $33.13	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 225A CLASS J FUSE A4J225 Mersen 1: $510.10 2In Stock	Mfr. Part No. A4J225 Mouser Part No 737-A4J225	Mersen	Industrial & Electrical Fuses 600V 225A CLASS J FUSE	Datasheet	2In Stock	$510.10 $422.54 $389.35	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 25A CLASS J FUSE A4J25 Mersen 1: $65.41 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	$65.41 $54.26 $50.04 $41.42 View $38.15 $34.19	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 3A CLASS J FUSE A4J3 Mersen 1: $64.86 10In Stock	Mfr. Part No. A4J3 Mouser Part No 737-A4J3	Mersen	Industrial & Electrical Fuses 600V 3A CLASS J FUSE Learn More about Mersen a4j power fuses	Datasheet	10In Stock	$64.86 $53.81 $53.80 $46.93 View $45.22 $43.21 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 30A CLASS J FUSE A4J30 Mersen 1: $54.14 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	$54.14 $44.92 $41.43 $34.30 View $31.59 $28.32	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 40A CLASS J FUSE A4J40 Mersen 1: $96.36 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	$96.36 $79.93 $73.70 $60.98 $56.15	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 60A CLASS J FUSE A4J60 Mersen 1: $84.64 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	$84.64 $70.20 $64.74 $53.57 $49.33	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 70A CLASS J FUSE A4J70 Mersen 1: $141.79 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	$141.79 $117.57 $108.41 $89.64 $82.52	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 80A CLASS J FUSE A4J80 Mersen 1: $165.29 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	$165.29 $137.08 $126.39 $104.53 $96.22	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 500V 125A QS BLADE A50QS125-4 Mersen 1: $291.62 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	$291.62 $291.61 $201.01	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 500V 250A QS BLADE A50QS250-4 Mersen 1: $191.41 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	$191.41 $158.69 $146.30 $120.92	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 500V 600A SEMICOND FUSE (A50Q A50QS600-4 Mersen 1: $305.26 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	$305.26 $239.39 $228.22 $191.67	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 500V 80A QS BLADE A50QS80-4 Mersen 1: $107.79 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	$107.79 $89.39 $76.00 $66.73 $62.78	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 94867-FUSE,FORM 101 A70QS100-4 Mersen 1: $180.08 3In Stock	Mfr. Part No. A70QS100-4 Mouser Part No 737-A70QS100-4	Mersen	Industrial & Electrical Fuses 94867-FUSE,FORM 101	Datasheet	3In Stock	$180.08 $158.67 $146.30 $120.92	Min.: 1 Mult.: 1
Industrial & Electrical Fuses SC FUSE 700V 150A QS BLADE K A70QS150-4K Mersen 1: $244.45 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	$244.45 $202.61 $186.77 $154.31	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 15A CLASS G FUSE AG15 Mersen 1: $14.59 8In Stock	Mfr. Part No. AG15 Mouser Part No 737-AG15	Mersen	Industrial & Electrical Fuses 600V 15A CLASS G FUSE	Datasheet	8In Stock	$14.59 $11.46 $10.93 $9.21 View $8.53 $7.65 $7.05 $6.49	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 480V 30A CLASS G FUSE AG30 Mersen 1: $25.83 4In Stock	Mfr. Part No. AG30 Mouser Part No 737-AG30	Mersen	Industrial & Electrical Fuses 480V 30A CLASS G FUSE	Datasheet	4In Stock	$25.83 $20.29 $19.35 $16.30 View $15.09 $13.52 $12.46	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 480V 40A CLASS G FUSE AG40 Mersen 1: $29.60 28In Stock	Mfr. Part No. AG40 Mouser Part No 737-AG40	Mersen	Industrial & Electrical Fuses 480V 40A CLASS G FUSE	Datasheet	28In Stock	$29.60 $23.25 $22.17 $18.68 View $17.29 $15.49 $14.27	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 4A J TD NON-IND AJT4N Mersen 1: $96.91 8In Stock	Mfr. Part No. AJT4N Mouser Part No 737-AJT4N	Mersen	Industrial & Electrical Fuses 600V 4A J TD NON-IND	Datasheet	8In Stock	$96.91 $64.76 $59.76	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 1A MIDGET FUSE ATM1 Mersen 1: $34.41 62In Stock	Mfr. Part No. ATM1 Mouser Part No 737-ATM1	Mersen	Industrial & Electrical Fuses 600V 1A MIDGET FUSE	Datasheet	62In Stock	$34.41 $28.55 $25.82 $21.81 View $20.10 $18.02 $16.58	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 1/10A MIDGET FUSE ATM1/10 Mersen 1: $46.01 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	$46.01 $40.29 $39.61 $33.52 View $31.34 $29.20 Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses 600V 10A MIDGET FUSE ATM10 Mersen 1: $34.41 39In Stock	Mfr. Part No. ATM10 Mouser Part No 737-ATM10	Mersen	Industrial & Electrical Fuses 600V 10A MIDGET FUSE	Datasheet	39In Stock	$34.41 $28.55 $26.33 $21.81 View $20.10 $18.02 $16.58	Min.: 1 Mult.: 1

Box Circuit Protection

Types of Circuit Protection

Applied Filters:

Customer Service Office

Company

Resources

Support