MERSEN A70QS300-4 Fast-Acting Bolt-On Fuse, 300 A, 700 V AC/DC
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse designed for AC/DC applications. This model, part number A70QS300-4, is rated for 300 A at 700 V AC and 700 V DC. It provides overcurrent protection…
SKU 3G-OTH-26067
Also listed as: A70QS3004 · A70QS300 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 A70QS Series is a fast-acting bolt-on semiconductor fuse designed for AC/DC applications. This model, part number A70QS300-4, is rated for 300 A at 700 V AC and 700 V DC. It provides overcurrent protection for power electronic circuits.
Frequently Asked Questions
What is the MERSEN A70QS300-4 semiconductor fuse used for?
The MERSEN A70QS300-4 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 clearing faults in AC/DC applications up to 700 V.
What are the specifications of the MERSEN A70QS300-4 fuse?
The MERSEN A70QS300-4 is a 300 A, 700 V AC and 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 A70QS300-4.
Where to buy the MERSEN A70QS300-4 fuse worldwide?
You can source the MERSEN A70QS300-4 fuse worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this fast-acting semiconductor fuse.
How to select the correct MERSEN A70QS300-4 fuse for my application?
To select the correct MERSEN A70QS300-4 fuse, verify your circuit's voltage (700 V AC or DC) and continuous current (300 A). Ensure the fuse's fast-acting characteristic matches your semiconductor's I²t withstand capability. Consult the A70QS series datasheet for mounting dimensions and clearing time curves.
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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.
