MERSEN A70QS40-4 Fast-Acting Bolt-On Fuse, 40 A, 700 V AC/DC
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse (MPN A70QS40-4) rated at 40 A and 700 V AC/700 V DC. This fuse is designed for AC/DC voltage applications and is part of the A70QS product line.
SKU 3G-OTH-27360
Also listed as: A70QS404 · A70QS40 4
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse (MPN A70QS40-4) rated at 40 A and 700 V AC/700 V DC. This fuse is designed for AC/DC voltage applications and is part of the A70QS product line.
Frequently Asked Questions
What is the MERSEN A70QS40-4 semiconductor fuse used for?
The MERSEN A70QS40-4 is a fast-acting bolt-on fuse designed to protect power semiconductors, such as diodes and thyristors, in AC/DC circuits up to 700 V. It is commonly used in industrial drives, power supplies, and converters where rapid overcurrent interruption is critical to prevent damage to sensitive components.
What are the specifications of the MERSEN A70QS40-4 fuse?
The MERSEN A70QS40-4 is a 40 A, 700 V AC/700 V DC fast-acting semiconductor fuse from the A70QS series. It features a bolt-on mounting style and is rated for both AC and DC voltage applications. The manufacturer part number is A70QS40-4, and it is part of the MERSEN A70QS product line.
Where to buy the MERSEN A70QS40-4 fuse worldwide?
3G Electric supplies the MERSEN A70QS40-4 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; we source and deliver this fast-acting bolt-on fuse to support your power protection needs.
How to select the correct MERSEN A70QS series fuse for my application?
To select the correct MERSEN A70QS fuse, match the voltage rating (700 V AC/DC) and current rating (e.g., 40 A for the A70QS40-4) to your circuit requirements. Ensure the bolt-on mounting style fits your fuse holder. Consult the fuse's time-current curve to verify it coordinates with your semiconductor's surge withstand capability.
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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.
