MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 125 A, 700 V AC, 700 V DC DC Volt Rating
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse, model A70QS125-4IL, rated at 125 A and 700 V AC/700 V DC. This indicating fuse is designed for AC/DC voltage applications.
SKU 3G-OTH-28161
Also listed as: A70QS1254IL · A70QS125 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
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Product Description
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse, model A70QS125-4IL, rated at 125 A and 700 V AC/700 V DC. This indicating fuse is designed for AC/DC voltage applications.
Frequently Asked Questions
What is the MERSEN A70QS125-4IL semiconductor fuse used for?
The MERSEN A70QS125-4IL is a fast-acting bolt-on fuse used to protect power semiconductors, such as diodes and thyristors, in AC/DC circuits. It is commonly applied in industrial drives, power supplies, and conversion equipment where rapid overcurrent interruption is critical to prevent component damage.
What are the specifications of the MERSEN A70QS125-4IL fuse?
The MERSEN A70QS125-4IL is a 125 A, 700 V AC/700 V DC fast-acting indicating fuse from the A70QS series. It features a bolt-on design for secure mounting and a visual indicator to show when the fuse has opened. The voltage type is AC/DC, making it suitable for mixed-voltage applications.
Where to buy the MERSEN A70QS125-4IL fuse worldwide?
You can source the MERSEN A70QS125-4IL fuse through 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 supply chain support.
How to select the correct MERSEN A70QS series fuse for my application?
To select the correct MERSEN A70QS fuse, match the continuous current rating (e.g., 125 A) to your circuit's load, and ensure the voltage rating (700 V AC/700 V DC) exceeds your system voltage. Consider the fast-acting characteristic for semiconductor protection and the indicating feature for easy blown-fuse identification. 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.
