MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 50 A, 300 V AC
The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS50-4) is a fast-acting bolt-on fuse rated at 50 A and 300 V AC/300 V DC. This industrial fuse is designed for overcurrent protection in power electronic circuits.
SKU 3G-OTH-25083
Also listed as: A30QS504 · A30QS50 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 Semiconductor Fuse (MPN A30QS50-4) is a fast-acting bolt-on fuse rated at 50 A and 300 V AC/300 V DC. This industrial fuse is designed for overcurrent protection in power electronic circuits.
Frequently Asked Questions
What is the MERSEN A30QS50-4 semiconductor fuse used for?
The MERSEN A30QS50-4 is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as variable frequency drives, UPS systems, and rectifiers. It safeguards sensitive semiconductor devices by quickly clearing faults, preventing damage from short circuits or overloads in industrial equipment.
What are the specifications of the MERSEN A30QS50-4 fuse?
The MERSEN A30QS50-4 is a 50 A, fast-acting semiconductor fuse from the A30QS series. It has an AC voltage rating of 300 V and a DC voltage rating of 300 V, making it suitable for both AC and DC circuits. The bolt-on design ensures secure mounting in industrial fuse holders.
Where to buy the MERSEN A30QS50-4 fuse worldwide?
You can source the MERSEN A30QS50-4 fuse from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this fast-acting semiconductor fuse.
How to select the correct MERSEN A30QS50-4 fuse for an application?
To select the MERSEN A30QS50-4, verify your circuit's voltage (300 V AC or DC max) and continuous current (50 A). Ensure the fuse's fast-acting characteristic matches the inrush current of your semiconductor device. Always consult the manufacturer's data sheet for coordination with upstream protection and ambient temperature derating.
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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.
