LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 300 A, 250 V AC, 125 V DC
The LITTELFUSE FLNR300 is a Class RK5, time-delay blade fuse rated at 300 A, 250 V AC and 125 V DC. Part of the FLNR Series, this non-indicating fuse is designed for overcurrent protection in industrial power…
SKU 3G-OTH-27427
Also listed as: FLNR 300 · FLNR-300
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 FLNR300 is a Class RK5, time-delay blade fuse rated at 300 A, 250 V AC and 125 V DC. Part of the FLNR Series, this non-indicating fuse is designed for overcurrent protection in industrial power distribution systems.
Frequently Asked Questions
What is the LITTELFUSE FLNR300 fuse used for?
The LITTELFUSE FLNR300 is a Class RK5 time-delay fuse rated 300 A, 250 V AC, 125 V DC. It protects industrial motor circuits, transformers, and other equipment with high inrush currents, providing reliable overcurrent protection across machining, HVAC, and power transmission applications.
What are the specifications of the LITTELFUSE FLNR300 fuse?
The LITTELFUSE FLNR300 is a Class RK5, FLNR Series, time-delay fuse rated 300 A at 250 V AC and 125 V DC. It is non-indicating, with a blade-type design. The manufacturer part number is FLNR300, and it is part of the FLNR series.
Where to buy the LITTELFUSE FLNR300 fuse worldwide?
3G Electric supplies the LITTELFUSE FLNR300 fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5 time-delay fuse.
How to select the correct LITTELFUSE FLNR300 fuse for a motor circuit?
To select the LITTELFUSE FLNR300, match the fuse's 300 A rating and 250 V AC/125 V DC voltage to your motor's full-load current and system voltage. The time-delay feature handles startup inrush. Always consult the motor nameplate and follow NEC guidelines for Class RK5 fuse sizing.
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.
