MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 70 A, 300 V AC
The MERSEN A30QS Series is a fast-acting bolt-on fuse designed for semiconductor protection. This specific model, part number A30QS70-4, is rated for 70 A and 300 V AC/DC. It is a 300 V DC volt-rated device from the…
SKU 3G-OTH-27708
Also listed as: A30QS704 · A30QS70 4
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
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Product Description
The MERSEN A30QS Series is a fast-acting bolt-on fuse designed for semiconductor protection. This specific model, part number A30QS70-4, is rated for 70 A and 300 V AC/DC. It is a 300 V DC volt-rated device from the A30QS series.
Frequently Asked Questions
What is the MERSEN A30QS70-4 fuse used for?
The MERSEN A30QS70-4 is a fast-acting bolt-on fuse designed for semiconductor protection. It safeguards sensitive electronic components like diodes, thyristors, and IGBTs from overcurrents in power conversion equipment, drives, and UPS systems. Its 300 V AC/DC rating makes it suitable for both AC and DC circuits.
What are the specifications of the MERSEN A30QS70-4?
The MERSEN A30QS70-4 is a 70 A, 300 V AC/DC fast-acting bolt-on fuse from the A30QS series. It is a semiconductor protection fuse with a DC voltage rating of 300 V DC. The manufacturer part number is A30QS70-4, and it is designed for bolt-on mounting in industrial equipment.
Where to buy the MERSEN A30QS70-4 worldwide?
3G Electric supplies the MERSEN A30QS70-4 semiconductor fuse worldwide. As a global industrial equipment distributor established in 1990, 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 bolt-on fuse globally.
How to select the correct MERSEN A30QS fuse for my application?
Select the MERSEN A30QS fuse based on your circuit's continuous current (70 A for this model) and voltage rating (300 V AC/DC). Ensure the fuse's interrupting rating exceeds the available fault current. For semiconductor protection, choose a fast-acting design like the A30QS series to limit let-through energy. Consult MERSEN application notes for coordination.
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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.
