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MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 175 A, 700 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 175 A, 700 V AC

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
Semiconductor Fuse: A70QS Series, Fast-Acting, 175 A, 700 V AC
Category
Fast-Acting Bolt-On Fuses
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

Technical Documents

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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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.

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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