LITTELFUSE Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 300 A, 700 V AC
The LITTELFUSE L70QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 300 A, 700 V AC, and 700 V DC (MPN L70QS300.X). This AC/DC fuse is designed for overcurrent protection in power electronic circuits.
SKU 3G-OTH-25531
Also listed as: L70QS300X · L70QS300 X · L70QS300-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 L70QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 300 A, 700 V AC, and 700 V DC (MPN L70QS300.X). This AC/DC fuse is designed for overcurrent protection in power electronic circuits.
Frequently Asked Questions
What is the LITTELFUSE L70QS300.X fuse used for?
The LITTELFUSE L70QS300.X is a very-fast-acting bolt-on semiconductor fuse used for overcurrent protection in power electronic circuits, such as inverters, drives, and UPS systems. It handles 300 A at 700 V AC or 700 V DC, safeguarding sensitive components from short circuits and overloads.
What are the specifications of the L70QS300.X fuse?
The L70QS300.X is a 300 A, very-fast-acting semiconductor fuse from the LITTELFUSE L70QS Series. It is rated for 700 V AC and 700 V DC, with a bolt-on mounting style. The voltage type is AC/DC, and the manufacturer part number is L70QS300.X.
Where to buy LITTELFUSE L70QS300.X worldwide?
You can source the LITTELFUSE L70QS300.X worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine LITTELFUSE fuses for power electronics protection.
How to select the correct L70QS fuse for my application?
To select the correct L70QS fuse, match the voltage rating (700 V AC or DC) and current rating (300 A) to your circuit requirements. Ensure the bolt-on mounting fits your panel. For very-fast-acting protection in semiconductor circuits, verify the interrupting rating and ambient temperature derating per LITTELFUSE guidelines.
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.
