MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 250 A, 700 V AC, 700 V DC DC Volt Rating
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse, model A70QS250-4IL, rated at 250 A and 700 V AC/DC. This indicating fuse is designed for AC/DC voltage types and is part of the A70QS series from…
SKU 3G-OTH-27442
Also listed as: A70QS2504IL · A70QS250 4IL
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
Need installation or engineering help?
Ask a question
Product Description
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse, model A70QS250-4IL, rated at 250 A and 700 V AC/DC. This indicating fuse is designed for AC/DC voltage types and is part of the A70QS series from MERSEN.
Frequently Asked Questions
What is the MERSEN A70QS250-4IL semiconductor fuse used for?
The MERSEN A70QS250-4IL is a fast-acting bolt-on fuse used to protect power semiconductors such as diodes, thyristors, and IGBTs in industrial drives, UPS systems, and power conversion equipment. Its 250 A rating and 700 V AC/DC capability make it suitable for high-power DC bus and AC inverter applications.
What are the specifications of the MERSEN A70QS250-4IL fuse?
The MERSEN A70QS250-4IL is a fast-acting indicating fuse from the A70QS series. It is rated at 250 A with a voltage rating of 700 V AC and 700 V DC. The fuse features a bolt-on mounting style and is designed for AC/DC voltage types. The manufacturer part number is A70QS250-4IL.
Where to buy the MERSEN A70QS250-4IL fuse worldwide?
3G Electric supplies the MERSEN A70QS250-4IL 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 on this fast-acting semiconductor fuse.
How to select the correct MERSEN A70QS250-4IL fuse for an application?
To select the MERSEN A70QS250-4IL, verify that your circuit's continuous current does not exceed 250 A and that the system voltage is within 700 V AC or 700 V DC. Ensure the bolt-on mounting matches your fuse holder. This fast-acting indicating fuse is designed for semiconductor protection; consult MERSEN application notes for coordination.
Used in
Common applications for MERSENMERSEN 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.
