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MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 150 A, 700 V AC, 700 V DC DC Volt Rating - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 150 A, 700 V AC, 700 V DC DC Volt Rating

The MERSEN A70QS Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. This model, part number A70QS150-4IL, is rated at 150 A and 700 V AC/DC, featuring an indicating function. It…

SKU 3G-OTH-27368

Also listed as: A70QS1504IL · A70QS150 4IL

Brand
MERSEN
Item
Semiconductor Fuse: A70QS Series, Fast-Acting, 150 A, 700 V AC, 700 V DC DC Volt Rating
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A70QS150-4IL
Series
A70QS
Type
Fast-Acting, 150 A, Indicating
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
700 V

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A70QS Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. This model, part number A70QS150-4IL, is rated at 150 A and 700 V AC/DC, featuring an indicating function. It provides overcurrent protection for power electronic circuits.

Frequently Asked Questions

What is the MERSEN A70QS150-4IL semiconductor fuse used for?

The MERSEN A70QS150-4IL is a fast-acting bolt-on fuse used to protect power electronic circuits, such as drives, inverters, and rectifiers, from overcurrent. Its 150 A rating and 700 V AC/DC capability make it suitable for industrial equipment requiring reliable semiconductor protection.

What are the specifications of the MERSEN A70QS150-4IL fuse?

The MERSEN A70QS150-4IL is a fast-acting, indicating fuse from the A70QS series. It is rated at 150 A and 700 V AC/DC. The bolt-on design ensures secure mounting in high-vibration environments. The indicating feature provides visual confirmation of a blown fuse for faster troubleshooting.

Where to buy the MERSEN A70QS150-4IL fuse worldwide?

3G Electric supplies the MERSEN A70QS150-4IL semiconductor fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine MERSEN components and support your procurement needs across multiple departments.

How to select the correct MERSEN A70QS series fuse for my application?

To select the correct MERSEN A70QS fuse, match the voltage rating (700 V AC/DC) and current rating (150 A for this model) to your circuit requirements. Consider the fast-acting characteristic for semiconductor protection. The indicating version aids maintenance. Consult your system's short-circuit current and mounting style (bolt-on) for proper fit.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Semiconductor Fuse: A70QS Series, Fast-Acting, 150 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS150-4K)
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Semiconductor Fuse: A70QS Series, Fast-Acting, 150 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS150-4K)
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Semiconductor Fuse: A70QS Series, Fast-Acting, 200 A, 700 V AC, 700 V DC DC Volt Rating, Indicating (MPN A70QS200-4KIL)
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Semiconductor Fuse: A70QS Series, Fast-Acting, 300 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS300-4)
Semiconductor Fuse: A70QS Series, Fast-Acting, 300 A, 700 V AC, 700 V DC DC Volt Rating, Indicating (MPN A70QS300-4IL)
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Semiconductor Fuse: A70QS Series, Fast-Acting, 300 A, 700 V AC, 700 V DC DC Volt Rating, Indicating (MPN A70QS300-4IL)
Semiconductor Fuse: A70QS Series, Fast-Acting, 250 A, 700 V AC, 700 V DC DC Volt Rating, Indicating (MPN A70QS250-4IL)
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Semiconductor Fuse: A70QS Series, Fast-Acting, 250 A, 700 V AC, 700 V DC DC Volt Rating, Indicating (MPN A70QS250-4IL)
Semiconductor Fuse: A70QS Series, Fast-Acting, 200 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS200-4)
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Semiconductor Fuse: A70QS Series, Fast-Acting, 200 A, 700 V AC, 700 V DC DC Volt Rating (MPN A70QS200-4)

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