LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 400 A, 250 V AC, 125 V DC
The LITTELFUSE FLNR400 is a Class RK5, time-delay blade fuse rated at 400 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-27136
Also listed as: FLNR 400 · FLNR-400
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 FLNR400 is a Class RK5, time-delay blade fuse rated at 400 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 FLNR400 fuse used for?
The LITTELFUSE FLNR400 is a Class RK5, time-delay fuse rated for 400 A at 250 V AC or 125 V DC. It protects industrial motor circuits, feeders, and branch circuits against overloads and short circuits, with time-delay characteristics to handle inrush currents without nuisance opening.
What are the specifications of the LITTELFUSE FLNR400 fuse?
The LITTELFUSE FLNR400 is a non-indicating, time-delay blade fuse from the FLNR Series. It has an AC voltage rating of 250 V and a DC voltage rating of 125 V, with a current rating of 400 A. The manufacturer part number is FLNR400, and it is a Class RK5 fuse.
Where to buy LITTELFUSE FLNR400 fuses worldwide?
You can source the LITTELFUSE FLNR400 fuse through 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 for industrial applications.
How to select the correct LITTELFUSE FLNR400 fuse for an application?
To select the LITTELFUSE FLNR400, verify your circuit's voltage (max 250 V AC or 125 V DC) and continuous current (400 A). Ensure the Class RK5 time-delay characteristic matches your motor or transformer inrush requirements. Always consult the manufacturer's data sheet for coordination with upstream protection devices.
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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.
