MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 125 A, 700 V AC
The MERSEN A70QS Series Semiconductor Fuse (MPN A70QS125-4) is a fast-acting bolt-on fuse rated at 125 A and 700 V AC/700 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power electronic…
SKU 3G-OTH-25708
Also listed as: A70QS1254 · A70QS125 4
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The MERSEN A70QS Series Semiconductor Fuse (MPN A70QS125-4) is a fast-acting bolt-on fuse rated at 125 A and 700 V AC/700 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power electronic applications.
Frequently Asked Questions
What is the MERSEN A70QS125-4 semiconductor fuse used for?
The MERSEN A70QS125-4 is a fast-acting bolt-on fuse rated at 125 A and 700 V AC/700 V DC. It protects power electronic equipment like drives, inverters, and rectifiers from overcurrent faults, ensuring reliable operation in industrial power systems.
What are the specifications of the MERSEN A70QS125-4 fuse?
The MERSEN A70QS125-4 is a fast-acting semiconductor fuse from the A70QS series. It has a current rating of 125 A, voltage rating of 700 V AC and 700 V DC, and a bolt-on mounting style. It is designed for overcurrent protection in AC/DC power electronic circuits.
Where to buy the MERSEN A70QS125-4 fuse worldwide?
3G Electric supplies the MERSEN A70QS125-4 semiconductor fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fast-acting 125 A, 700 V AC/DC fuse.
How to select the right MERSEN A70QS series fuse for an application?
To select the correct MERSEN A70QS fuse, match the voltage rating (700 V AC/DC for the A70QS125-4) and current rating (125 A) to your circuit's requirements. Ensure the fast-acting characteristic suits your power electronic load. Consult the manufacturer's data sheet for coordination and mounting details.
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.
