LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 450 A, 600 V AC, 300 V DC
The LITTELFUSE FLSR450 is a Class RK5, time-delay blade fuse rated at 450 A, 600 V AC and 300 V DC. This non-indicating FLSR Series fuse is designed for overcurrent protection in industrial power distribution systems.
SKU 3G-OTH-27499
Also listed as: FLSR 450 · FLSR-450
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 FLSR450 is a Class RK5, time-delay blade fuse rated at 450 A, 600 V AC and 300 V DC. This non-indicating FLSR Series fuse is designed for overcurrent protection in industrial power distribution systems.
Frequently Asked Questions
What is the LITTELFUSE FLSR450 fuse used for?
The LITTELFUSE FLSR450 is a Class RK5 time-delay fuse rated 450 A, 600 V AC, 300 V DC. It protects industrial motor circuits, transformers, and other equipment against overloads and short circuits. Its time-delay characteristic allows it to withstand temporary inrush currents without nuisance opening.
What are the specifications of the LITTELFUSE FLSR450 fuse?
The LITTELFUSE FLSR450 is a Class RK5, FLSR series, time-delay, non-indicating fuse. It is rated 450 A, 600 V AC, 300 V DC. The manufacturer part number is FLSR450. It is designed for branch-circuit protection in industrial applications requiring high interrupting capacity.
Where to buy LITTELFUSE FLSR450 worldwide?
3G Electric supplies the LITTELFUSE FLSR450 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this genuine LITTELFUSE part to any country.
How to select the correct LITTELFUSE FLSR series fuse for a motor circuit?
To select the correct LITTELFUSE FLSR series fuse, match the voltage rating (600 V AC or 300 V DC) and current rating (e.g., 450 A) to your circuit. The time-delay feature handles motor starting inrush. Always verify the Class RK5 rejection feature fits your fuse holder. Consult a qualified engineer for coordination.
Used in
Common applications for LITTELFUSELITTELFUSE Products
3G Electric supplies LITTELFUSE time-delay blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
