A70QS Series - Steven Engineering

Main Menu

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

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

35A (2)
40A (2)
50A (2)
60A (2)
70A (2)
80A (2)
90A (2)
100A (2)
125A (2)
150A (2)
175A (2)
200A (2)
225A (2)
250A (2)
300A (2)
350A (2)
400A (2)
450A (2)
500A (2)
600A (4)
700A (2)
800A (3)

Connector Type

Stud (3)

Fuse Type

High Speed (44)

Indicating

Yes (22)
No (25)

Mounting

Blade - Bolt-On (44)
Panel (3)

Number of Poles

1 (3)

SHOW MORE...

Amperage

35A (2)
40A (2)
50A (2)
60A (2)
70A (2)
80A (2)
90A (2)
100A (2)
125A (2)
150A (2)
175A (2)
200A (2)
225A (2)
250A (2)
300A (2)
350A (2)
400A (2)
450A (2)
500A (2)
600A (4)
700A (2)
800A (3)

Connector Type

Stud (3)

Fuse Type

High Speed (44)

Indicating

Yes (22)
No (25)

Mounting

Blade - Bolt-On (44)
Panel (3)

Number of Poles

1 (3)

Voltage (AC)

700VAC (44)
1000VAC (3)

Voltage (DC)

700VDC (44)

SHOW LESS...

Home
Circuit Protection
Mersen
Semiconductor
A70QS Series

Showing Items 16 - 30 of 47

Show:

View:

Previous
1
2
3
4
Next

Mersen Amp-Trap High Speed Semiconductor Fuse; 300A; 700VAC/700VDC

$1,372.23 / Each

Item Number: A70QS300-4

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 300A; 700VAC/700VDC; Indicating

$1,328.55 / Each

Item Number: A70QS300-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 35A; 700VAC/700VDC

$509.31 / Each

Item Number: A70QS35-4

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 35A; 700VAC/700VDC; Indicating

$124.15 / Each

Item Number: A70QS35-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 350A; 700VAC/700VDC; Indicating

$328.15 / Each

Item Number: A70QS350-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 40A; 700VAC/700VDC

$509.31 / Each

Item Number: A70QS40-4

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 40A; 700VAC/700VDC; Indicating

$124.15 / Each

Item Number: A70QS40-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 400A; 700VAC/700VDC; Indicating

$1,312.62 / Each

Item Number: A70QS400-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 450A; 700VAC/700VDC

$2,498.69 / Each

Item Number: A70QS450-4

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 450A; 700VAC/700VDC; Indicating

$541.99 / Each

Item Number: A70QS450-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 50A; 700VAC/700VDC

$509.31 / Each

Item Number: A70QS50-4

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 50A; 700VAC/700VDC; Indicating

$124.15 / Each

Item Number: A70QS50-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 500A; 700VAC/700VDC

$2,498.69 / Each

Item Number: A70QS500-4

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 500A; 700VAC/700VDC; Indicating

$2,133.23 / Each

Item Number: A70QS500-4IL

Avail. Qty: 0

NCNR

Quantity:

Mersen Amp-Trap High Speed Semiconductor Fuse; 60A; 700VAC/700VDC

$533.62 / Each

Item Number: A70QS60-4

Avail. Qty: 0

NCNR

Quantity:

Previous
1
2
3
4
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.

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