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

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

The MERSEN A70QS Series Semiconductor Fuse (MPN A70QS150-4) is a fast-acting bolt-on fuse rated at 150 A and 700 V AC/700 V DC. This A70QS-series fuse is designed for overcurrent protection in power electronic…

SKU 3G-OTH-27226

Also listed as: A70QS1504 · A70QS150 4

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

MERSEN
Manufacturer Part Number
A70QS150-4
Series
A70QS
Type
Fast-Acting, 150 A
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 (MPN A70QS150-4) is a fast-acting bolt-on fuse rated at 150 A and 700 V AC/700 V DC. This A70QS-series fuse is designed for overcurrent protection in power electronic applications.

Frequently Asked Questions

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

The MERSEN A70QS150-4 is a fast-acting bolt-on fuse used for overcurrent protection in power electronic applications such as drives, inverters, and UPS systems. Its 150 A rating and 700 V AC/700 V DC capability make it suitable for protecting semiconductor devices from short circuits and overloads.

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

The MERSEN A70QS150-4 is a fast-acting bolt-on fuse from the A70QS series. It is rated at 150 A with a voltage rating of 700 V AC and 700 V DC. The manufacturer part number is A70QS150-4, and it is designed for overcurrent protection in power electronic circuits.

Where to buy the MERSEN A70QS150-4 fuse worldwide?

You can source the MERSEN A70QS150-4 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine MERSEN components for power electronic protection.

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

To select the correct MERSEN A70QS fuse, match the continuous current rating (e.g., 150 A) and voltage rating (700 V AC/700 V DC) to your circuit requirements. Ensure the fast-acting characteristic aligns with the inrush current of your semiconductor device. Consult the A70QS series datasheet for time-current curves and mounting dimensions.

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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