MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 50 A, 700 V AC
The MERSEN A70QS Series Semiconductor Fuse (MPN A70QS50-4) is a fast-acting bolt-on fuse rated at 50 A and 700 V AC/700 V DC. This AC/DC voltage-type fuse is designed for semiconductor protection applications.
SKU 3G-OTH-25162
Also listed as: A70QS504 · A70QS50 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.
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Product Description
The MERSEN A70QS Series Semiconductor Fuse (MPN A70QS50-4) is a fast-acting bolt-on fuse rated at 50 A and 700 V AC/700 V DC. This AC/DC voltage-type fuse is designed for semiconductor protection applications.
Frequently Asked Questions
What is the MERSEN A70QS50-4 semiconductor fuse used for?
The MERSEN A70QS50-4 is a fast-acting bolt-on fuse designed to protect semiconductor devices such as diodes, thyristors, and IGBTs from overcurrent faults. It is commonly used in power supplies, drives, and industrial equipment requiring reliable AC/DC protection at 700 V.
What are the specifications of the MERSEN A70QS50-4 fuse?
The MERSEN A70QS50-4 is a 50 A, fast-acting semiconductor fuse from the A70QS series. It has an AC voltage rating of 700 V and a DC voltage rating of 700 V. The fuse features a bolt-on mounting style and is designed for high-speed overcurrent protection in AC/DC circuits.
Where to buy the MERSEN A70QS50-4 fuse worldwide?
You can source the MERSEN A70QS50-4 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 on this fast-acting semiconductor fuse.
How to select the correct MERSEN A70QS series fuse for an application?
To select the correct MERSEN A70QS fuse, match the continuous current rating (e.g., 50 A) to your circuit load and ensure the voltage rating (700 V AC/700 V DC) exceeds your system voltage. Consider the fuse's fast-acting characteristic for semiconductor protection and verify bolt-on dimensions fit your holder.
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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.
