LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 400 A, 250 V AC, 125 V DC
The LITTELFUSE FLNR-ID Series FLNR400ID is a Class RK5, time-delay blade fuse rated at 400 A, 250 V AC and 125 V DC, with an indicating feature. This time-delay fuse is designed for overcurrent protection in…
SKU 3G-OTH-28140
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 FLNR-ID Series FLNR400ID is a Class RK5, time-delay blade fuse rated at 400 A, 250 V AC and 125 V DC, with an indicating feature. This time-delay fuse is designed for overcurrent protection in industrial circuits, supporting applications across 14 departments including electrical, machining, and power transmission. As an authorised distributor for LITTELFUSE, 3G Electric combines broad industrial supply with specialist depth in controls to source and support this fuse.
Frequently Asked Questions
What is the LITTELFUSE FLNR400ID fuse used for?
The LITTELFUSE FLNR400ID is a Class RK5, time-delay fuse rated 400 A at 250 V AC or 125 V DC. It is designed for motor circuits, transformers, and other inductive loads where inrush current protection is needed. The indicating feature allows quick identification of a blown fuse, reducing downtime in industrial power distribution systems.
What are the specifications of the LITTELFUSE FLNR400ID?
The LITTELFUSE FLNR400ID is a Class RK5 time-delay fuse from the FLNR-ID series. It has a current rating of 400 A, voltage rating of 250 V AC and 125 V DC, and includes an indicating function. The manufacturer part number is FLNR400ID. It is designed for overcurrent protection in industrial equipment and panelboards.
Where to buy the LITTELFUSE FLNR400ID worldwide?
You can source the LITTELFUSE FLNR400ID 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. 3G Electric provides reliable sourcing for LITTELFUSE components to industrial buyers globally.
How to select the correct LITTELFUSE FLNR400ID fuse for an application?
To select the LITTELFUSE FLNR400ID, verify your circuit voltage does not exceed 250 V AC or 125 V DC, and the continuous load current is below 400 A. The time-delay characteristic handles motor start-up surges. Ensure the fuse holder or disconnect switch is rated for Class RK5 fuses. Consult the manufacturer's data sheet for coordination with upstream 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.
