LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 450 A, 750 V DC DC Volt Rating
The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 450 A and 750 V DC. This non-indicating fuse is designed for DC-only applications, providing overcurrent protection for power…
SKU 3G-OTH-26171
Also listed as: L75QS450X · L75QS450 X · L75QS450-X
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
Need installation or engineering help?
Ask a question
Product Description
The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 450 A and 750 V DC. This non-indicating fuse is designed for DC-only applications, providing overcurrent protection for power electronic circuits.
Frequently Asked Questions
What is the LITTELFUSE L75QS450.X fuse used for?
The LITTELFUSE L75QS450.X is a very-fast-acting bolt-on semiconductor fuse used for overcurrent protection in DC power electronic circuits. It is rated at 450 A and 750 V DC, making it suitable for industrial drives, inverters, and DC power supplies where rapid fault clearing is critical.
What are the specifications of the L75QS450.X fuse?
The L75QS450.X is a LITTELFUSE L75QS Series very-fast-acting bolt-on fuse. It has a DC-only voltage rating of 750 V DC and a current rating of 450 A. It is non-indicating and designed for bolt-on mounting in semiconductor protection applications.
Where to buy the L75QS450.X fuse worldwide?
You can source the L75QS450.X fuse from 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 LITTELFUSE components.
How to select the correct L75QS series fuse for a DC circuit?
To select the correct L75QS fuse, match the DC voltage rating (750 V DC) and continuous current rating (e.g., 450 A) to your circuit requirements. Ensure the fuse's very-fast-acting characteristic coordinates with your semiconductor devices. Consult LITTELFUSE application notes for proper sizing and mounting.
Used in
Common applications for LITTELFUSELITTELFUSE Products
3G Electric supplies LITTELFUSE very-fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
