Class J - A4J Series - Steven Engineering

Main Menu

Products
Services
Product Resources
Blog
Company
Contact
Shop Now
Request Access
Login
Terms & Conditions
Legal
Privacy

Processing request.

Sales & Support: (800) 258-9200

Cart Items (0)

Subtotal:

$0.00

Sign In
Registration

Products
Services
Product Resources
Blog
Company

Please enter at least 3 characters for search.

Clear

Search Within Results

Please enter at least 3 characters for search.

In-Stock

Filters

Amperage

Class

J (77)

Connector Type

Box (26)
Pressure Plate (15)
Screw (2)

Fuse Type

Fast-Acting (34)

Indicating

Yes (10)
No (67)

Mounting

Blade - Bolt-On (21)
DIN Rail (12)
Ferrule (13)
Panel (31)

Number of Poles

1 (16)
2 (9)
3 (17)
Adder Block (1)

Voltage (AC)

600VAC (77)

Voltage (DC)

300VDC (34)
600VDC (43)

Wire Range

#4 - #14 (10)
#2 - #14 (16)
2/0 - #12 (2)
2/0 - #6 (1)
(2) 250kcmil - #4 (4)
350kcmil - #6 (4)
(2) 500kcmil - #4 (2)
1000 - 250kcmil (4)

Home
Circuit Protection
Mersen
General Purpose
Fuses
Class J - A4J Series

Showing Items 46 - 60 of 79

Show:

View:

Previous
1
2
3
4
5
6
Next

Mersen Class J Fast-Acting Fuse; 25A; 600VAC/300VDC

Call for Pricing

Item Number: A4J25

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 250A; 600VAC/300VDC; Indicating

Call for Pricing

Item Number: A4J250

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 3A; 600VAC/300VDC

Call for Pricing

Item Number: A4J3

Avail. Qty: 0

NCNR

Quantity:

Mersen Class J Fast-Acting Fuse; 30A; 600VAC/300VDC

Call for Pricing

Item Number: A4J30

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 35A; 600VAC/300VDC

Call for Pricing

Item Number: A4J35

Avail. Qty: 0

NCNR

Quantity:

Mersen Class J Fast-Acting Fuse; 350A; 600VAC/300VDC; Indicating

Call for Pricing

Item Number: A4J350

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 40A; 600VAC/300VDC

Call for Pricing

Item Number: A4J40

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 400A; 600VAC/300VDC

Call for Pricing

Item Number: A4J400

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 45A; 600VAC/300VDC

Call for Pricing

Item Number: A4J45

Avail. Qty: 0

NCNR

Quantity:

Mersen Class J Fast-Acting Fuse; 450A; 600VAC/300VDC

Call for Pricing

Item Number: A4J450

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 50A; 600VAC/300VDC

Call for Pricing

Item Number: A4J50

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 500A; 600VAC/300VDC; Indicating

Call for Pricing

Item Number: A4J500

Avail. Qty: 0

NCNR

Quantity:

Mersen Class J Fast-Acting Fuse; 6A; 600VAC/300VDC

Call for Pricing

Item Number: A4J6

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 60A; 600VAC/300VDC

Call for Pricing

Item Number: A4J60

Avail. Qty: 0

Quantity:

Mersen Class J Fast-Acting Fuse; 600A; 600VAC/300VDC

Call for Pricing

Item Number: A4J600

Avail. Qty: 0

NCNR

Quantity:

Previous
1
2
3
4
5
6
Next

Contact | Terms & Conditions | Legal | Privacy

© 2026 Steven Engineering. All Rights Reserved.

We value your privacy

This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.

We won't track your information when you visit our site. But in order to comply with your preferences, we'll have to use just one tiny cookie so that you're not asked to make this choice again.

Use the “I understand” button to give consent.

Your current cart will be cleared and replaced with these items. Do you want to continue?