LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 20 A, 250 V AC, 125 V DC
The LITTELFUSE FLNR Series FLNR020 is a Class RK5, time-delay cylindrical fuse rated for 20 A at 250 V AC and 125 V DC, with a non-indicating design. This component supports overcurrent protection in industrial…
SKU 3G-OTH-25811
Also listed as: FLNR 020 · FLNR-020
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The LITTELFUSE FLNR Series FLNR020 is a Class RK5, time-delay cylindrical fuse rated for 20 A at 250 V AC and 125 V DC, with a non-indicating design. This component supports overcurrent protection in industrial electrical systems, sourced and quoted by 3G Electric across 14 departments, with specialist depth in controls and electrical distribution.
Frequently Asked Questions
What is the LITTELFUSE FLNR020 fuse used for?
The LITTELFUSE FLNR020 is a Class RK5, time-delay fuse rated 20 A, 250 V AC, 125 V DC. It protects motors, transformers, and other inductive loads from overcurrent and short circuits. Its time-delay characteristic allows harmless inrush currents without nuisance opening, making it suitable for industrial control panels and HVAC equipment.
What are the specifications of the LITTELFUSE FLNR020 fuse?
The LITTELFUSE FLNR020 is a Class RK5, time-delay, non-indicating cylindrical fuse. It is rated 20 A, 250 V AC, 125 V DC, and belongs to the FLNR Series. The manufacturer part number is FLNR020. It provides overcurrent protection for circuits with high inrush currents, such as motor starters and transformers.
Where to buy LITTELFUSE FLNR020 fuses worldwide?
You can source the LITTELFUSE FLNR020 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 supplies genuine LITTELFUSE components for industrial applications.
How to select the correct LITTELFUSE FLNR020 fuse for an application?
To select the LITTELFUSE FLNR020, verify your circuit voltage does not exceed 250 V AC or 125 V DC, and the continuous load current is below 20 A. Ensure the Class RK5 rejection base matches the fuse dimensions. For motor protection, confirm the time-delay characteristic accommodates starting current. Consult a qualified engineer for branch-circuit coordination.
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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.
