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MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 35 A, 700 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 35 A, 700 V AC

The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse designed for AC/DC applications. This specific model, the A70QS35-4, is rated for 35 A at 700 V AC and 700 V DC. It provides overcurrent protection…

SKU 3G-OTH-25024

Also listed as: A70QS354 · A70QS35 4

Brand
MERSEN
Item
Semiconductor Fuse: A70QS Series, Fast-Acting, 35 A, 700 V AC
Category
Fast-Acting Bolt-On Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
A70QS35-4
Series
A70QS
Type
Fast-Acting, 35 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 is a fast-acting bolt-on semiconductor fuse designed for AC/DC applications. This specific model, the A70QS35-4, is rated for 35 A at 700 V AC and 700 V DC. It provides overcurrent protection for power electronic circuits.

Frequently Asked Questions

What is the MERSEN A70QS35-4 semiconductor fuse used for?

The MERSEN A70QS35-4 is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as variable frequency drives, UPS systems, and DC power supplies. It safeguards sensitive semiconductor devices by quickly interrupting fault currents in AC/DC applications up to 700 V.

What are the specifications of the MERSEN A70QS35-4 fuse?

The MERSEN A70QS35-4 is a 35 A, 700 V AC/700 V DC fast-acting semiconductor fuse from the A70QS series. It features a bolt-on mounting style and is designed for high-speed overcurrent protection in power electronics. The manufacturer part number is A70QS35-4.

Where to buy the MERSEN A70QS35-4 fuse worldwide?

3G Electric supplies the MERSEN A70QS35-4 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fast-acting fuse to any country.

How to select the correct MERSEN A70QS35-4 fuse for my application?

To select the correct MERSEN A70QS35-4 fuse, verify your circuit's voltage (700 V AC or DC max) and continuous current (35 A). Ensure the bolt-on mounting matches your fuse holder. This fast-acting fuse is ideal for protecting semiconductors; consult the manufacturer's data sheet for coordination with your equipment.

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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