MERSEN Semiconductor Fuse: A70QS Series, Fast-Acting, 150 A, 700 V AC
The MERSEN A70QS Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. This model, part number A70QS150-4K, is rated for 150 A at 700 V AC and 700 V DC. It provides overcurrent…
SKU 3G-OTH-27690
Also listed as: A70QS1504K · A70QS150 4K
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 Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. This model, part number A70QS150-4K, is rated for 150 A at 700 V AC and 700 V DC. It provides overcurrent protection for power electronic circuits.
Frequently Asked Questions
What is the MERSEN A70QS150-4K semiconductor fuse used for?
The MERSEN A70QS150-4K is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as variable frequency drives, rectifiers, and UPS systems. It safeguards sensitive semiconductor devices by quickly clearing faults in AC or DC applications up to 700 V.
What are the specifications of the MERSEN A70QS150-4K fuse?
The MERSEN A70QS150-4K is a 150 A, 700 V AC/700 V DC fast-acting semiconductor fuse from the A70QS series. It features a bolt-on design for secure mounting and is rated for both AC and DC voltage types. The manufacturer part number is A70QS150-4K.
Where to buy the MERSEN A70QS150-4K fuse worldwide?
You can source the MERSEN A70QS150-4K 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 supply genuine MERSEN components for power protection.
How to select the correct MERSEN A70QS series fuse for my application?
Select the MERSEN A70QS fuse based on your circuit's continuous current (150 A for this model) and maximum voltage (700 V AC or DC). Ensure the fuse's interrupting rating exceeds the available fault current. For fast-acting protection, match the fuse's I²t value to the semiconductor's surge withstand. Consult MERSEN's application guide 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.
