LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 40 A, 250 V AC, 125 V DC
The LITTELFUSE FLNR040 is a Class RK5, FLNR Series time-delay cylindrical fuse rated at 40 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets your demand for overcurrent protection and sources this…
SKU 3G-OTH-25918
Also listed as: FLNR 040 · FLNR-040
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 FLNR040 is a Class RK5, FLNR Series time-delay cylindrical fuse rated at 40 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets your demand for overcurrent protection and sources this genuine industrial fuse across 14 departments — with specialist depth in electrical controls to ensure the right solution for your application.
Frequently Asked Questions
What is a Littelfuse FLNR040 fuse used for?
The Littelfuse FLNR040 is a Class RK5 time-delay fuse rated 40 A, 250 V AC / 125 V DC. It protects motors, transformers, and lighting circuits from overloads and short circuits. Its time-delay characteristic handles inrush currents without nuisance opening, making it ideal for industrial and commercial power distribution.
What are the specifications of the Littelfuse FLNR040 fuse?
The Littelfuse FLNR040 is a Class RK5, FLNR Series, time-delay, non-indicating fuse. It is rated 40 A, 250 V AC and 125 V DC. The manufacturer part number is FLNR040. It is designed for cylindrical fuse holders and provides reliable overcurrent protection in industrial control panels and motor circuits.
Where to buy Littelfuse FLNR040 fuses worldwide?
3G Electric supplies the Littelfuse FLNR040 fuse to customers worldwide. As a global industrial sourcing partner, 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. We provide genuine Littelfuse components for critical applications.
How to select the right Littelfuse FLNR series fuse for a motor circuit?
To select the correct FLNR series fuse, match the voltage rating (250 V AC or 125 V DC) and ensure the amp rating (e.g., 40 A) exceeds the motor full-load current. The time-delay feature accommodates startup inrush. Always consult the motor nameplate and local code. 3G Electric can help verify the right Littelfuse part for your application.
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3G Electric supplies LITTELFUSE time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
