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MERSEN A70QS175-4 Fast-Acting Bolt-On Fuse, 175 A, 700 V AC/DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A70QS175-4 Fast-Acting Bolt-On Fuse, 175 A, 700 V AC/DC

The MERSEN A70QS Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. This model, part number A70QS175-4, is rated for 175 A at 700 V AC and 700 V DC.

SKU 3G-OTH-25861

Also listed as: A70QS1754 · A70QS175 4

Brand
MERSEN
Item
A70QS175-4 Fast-Acting Bolt-On Fuse, 175 A, 700 V AC/DC
Part Number
A70QS175-4
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A70QS175-4MERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
A70QS175-4
Series
A70QS
Type
Fast-Acting, 175 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 is a fast-acting bolt-on fuse designed for AC/DC applications. This model, part number A70QS175-4, is rated for 175 A at 700 V AC and 700 V DC.

Frequently Asked Questions

What is the MERSEN A70QS175-4 semiconductor fuse used for?

The MERSEN A70QS175-4 is a fast-acting bolt-on fuse used to protect power semiconductors, such as diodes and thyristors, in AC/DC circuits up to 700 V. It is common in variable-frequency drives, UPS systems, and industrial power supplies where rapid overcurrent interruption is critical.

What are the specifications of the MERSEN A70QS175-4 fuse?

The MERSEN A70QS175-4 is a 175 A, fast-acting semiconductor fuse rated for 700 V AC and 700 V DC. It belongs to the A70QS series and features a bolt-on mounting style. The manufacturer part number is A70QS175-4, and it is designed for AC/DC voltage applications.

Where to buy the MERSEN A70QS175-4 fuse worldwide?

3G Electric supplies the MERSEN A70QS175-4 semiconductor fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this fast-acting bolt-on fuse.

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

To select the correct MERSEN A70QS series fuse, match the voltage rating (700 V AC/DC) and current rating (175 A for the A70QS175-4) to your circuit requirements. Ensure the fuse is fast-acting for semiconductor protection. Consult the manufacturer's data sheet for I²t values 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.
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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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