MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 400 A, 700 V AC
The MERSEN A70QS Series Semiconductor Fuse (MPN A70QS400-4) is a fast-acting bolt-on fuse rated at 400 A and 700 V AC/DC. This industrial fuse is designed for semiconductor protection applications.
SKU 3G-OTH-27255
Also listed as: A70QS4004 · A70QS400 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 A70QS400-4) is a fast-acting bolt-on fuse rated at 400 A and 700 V AC/DC. This industrial fuse is designed for semiconductor protection applications.
Frequently Asked Questions
What is the MERSEN A70QS400-4 semiconductor fuse used for?
The MERSEN A70QS400-4 is a fast-acting bolt-on fuse rated at 400 A and 700 V AC/DC. It is designed to protect semiconductor devices such as diodes, thyristors, and IGBTs from overcurrent faults in industrial power electronics, drives, and converters.
What are the specifications of the MERSEN A70QS400-4 fuse?
The MERSEN A70QS400-4 is part of the A70QS series, a fast-acting bolt-on fuse with a current rating of 400 A and voltage ratings of 700 V AC and 700 V DC. It is a semiconductor protection fuse with a DC voltage rating of 700 V.
Where to buy the MERSEN A70QS400-4 fuse worldwide?
3G Electric supplies the MERSEN A70QS400-4 semiconductor fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
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., 400 A) to the load current and ensure the voltage rating (700 V AC/DC) exceeds the system voltage. Consider the fast-acting characteristic for semiconductor protection and verify bolt-on mounting dimensions.
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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.
