LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 450 A, 250 V AC, 125 V DC
The LITTELFUSE FLNR450 is a Class RK5, time-delay blade fuse rated at 450 A, 250 V AC and 125 V DC. Part of the FLNR Series, this non-indicating fuse is designed for overcurrent protection in industrial electrical…
SKU 3G-OTH-27438
Also listed as: FLNR 450 · FLNR-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 FLNR450 is a Class RK5, time-delay blade fuse rated at 450 A, 250 V AC and 125 V DC. Part of the FLNR Series, this non-indicating fuse is designed for overcurrent protection in industrial electrical systems.
Frequently Asked Questions
What is the LITTELFUSE FLNR450 fuse used for?
The LITTELFUSE FLNR450 is a Class RK5, time-delay fuse rated 450 A at 250 V AC or 125 V DC. It protects industrial circuits, motors, and transformers from overloads and short circuits, especially where high inrush currents occur. Its non-indicating design suits applications where visual blown-fuse indication is not required.
What are the specifications of the LITTELFUSE FLNR450 fuse?
The LITTELFUSE FLNR450 is a Class RK5, time-delay blade fuse rated 450 A, 250 V AC, and 125 V DC. It is part of the FLNR Series, non-indicating, with manufacturer part number FLNR450. This fuse provides overload and short-circuit protection for industrial equipment requiring a high interrupting rating.
Where to buy the LITTELFUSE FLNR450 fuse worldwide?
You can source the LITTELFUSE FLNR450 fuse 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 components for industrial applications.
How to select the correct LITTELFUSE FLNR450 fuse for an application?
To select the LITTELFUSE FLNR450, verify your circuit's voltage (250 V AC or 125 V DC max) and continuous current (450 A). Ensure the Class RK5 time-delay characteristic matches your motor or transformer inrush. Confirm the fuse holder or disconnect switch accepts FLNR Series blade dimensions. Consult a qualified engineer for coordination studies.
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.
