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MERSEN Semiconductor Fuse: A70QS Series, 63 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, 63 A, 700 V AC, 700 V DC DC Volt Rating

The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse designed for AC/DC applications. This model, part number A70QS63-22F, is rated for 63 A at 700 V AC and 700 V DC, and features an indicating function.

SKU 3G-OTH-25283

Also listed as: A70QS6322F · A70QS63 22F

Brand
MERSEN
Item
Semiconductor Fuse: A70QS Series, 63 A, 700 V AC, 700 V DC DC Volt Rating
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
A70QS63-22F
Series
A70QS
Type
63 A, Indicating
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 model, part number A70QS63-22F, is rated for 63 A at 700 V AC and 700 V DC, and features an indicating function.

Frequently Asked Questions

What is the MERSEN A70QS63-22F semiconductor fuse used for?

The MERSEN A70QS63-22F is a fast-acting bolt-on semiconductor fuse used to protect power electronics such as drives, inverters, and UPS systems. Its 700 V AC/DC rating and indicating function make it suitable for industrial equipment requiring reliable overcurrent protection in both AC and DC circuits.

What are the specifications of the MERSEN A70QS63-22F fuse?

The MERSEN A70QS63-22F is part of the A70QS Series, rated for 63 A at 700 V AC and 700 V DC. It is a fast-acting bolt-on fuse with an indicating feature, designed for semiconductor protection. The voltage type is AC/DC, and the manufacturer part number is A70QS63-22F.

Where to buy the MERSEN A70QS63-22F fuse worldwide?

3G Electric supplies the MERSEN A70QS63-22F 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 fuse to meet your project needs.

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

To select the correct MERSEN A70QS fuse, match the voltage rating (700 V AC/DC) and current rating (63 A for this model) to your circuit requirements. Ensure the fast-acting characteristic suits semiconductor protection. The indicating feature helps identify blown fuses. Consult the manufacturer's datasheet 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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