LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 400 A, 750 V DC DC Volt Rating
The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS400.X, rated for 400 A at 750 V DC. This non-indicating DC-only fuse is designed for overcurrent protection in power electronic…
SKU 3G-OTH-25599
Also listed as: L75QS400X · L75QS400 X · L75QS400-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
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Product Description
The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS400.X, rated for 400 A at 750 V DC. This non-indicating DC-only fuse is designed for overcurrent protection in power electronic circuits.
Frequently Asked Questions
What is the LITTELFUSE L75QS400.X semiconductor fuse used for?
The LITTELFUSE L75QS400.X is a very-fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits such as inverters, drives, and DC power supplies. Its 400 A rating and 750 V DC voltage rating make it suitable for high-current DC applications requiring rapid fault clearing.
What are the specifications of the L75QS400.X fuse?
The L75QS400.X is a LITTELFUSE L75QS Series semiconductor fuse. It is very-fast-acting, non-indicating, rated 400 A at 750 V DC, and designed for DC-only circuits. The bolt-on mounting style ensures secure installation in power electronic equipment.
Where to buy the LITTELFUSE L75QS400.X fuse worldwide?
3G Electric supplies the LITTELFUSE L75QS400.X fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this very-fast-acting 400 A, 750 V DC semiconductor fuse.
How to select the correct L75QS series fuse for a DC circuit?
Selecting the correct L75QS fuse requires matching the voltage rating (750 V DC maximum), continuous current rating (400 A for the L75QS400.X), and ensuring very-fast-acting characteristics for semiconductor protection. Always consult the circuit's fault current and ambient temperature for proper coordination.
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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.
