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3G Electric
LITTELFUSE FLNR250 Time-Delay Blade Fuse, Class RK5, 250 A, 250 V AC/125 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE FLNR250 Time-Delay Blade Fuse, Class RK5, 250 A, 250 V AC/125 V DC

The LITTELFUSE FLNR250 is a Class RK5 time-delay blade fuse rated at 250 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-26861

Also listed as: FLNR 250 · FLNR-250

Brand
LITTELFUSE
Item
FLNR250 Time-Delay Blade Fuse, Class RK5, 250 A, 250 V AC/125 V DC
Part Number
FLNR250
Category
Time-Delay Blade Fuses
Available to Order
Also known as:FLNR250LITTELFUSE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLNR250
Series
FLNR
Type
FLNR Series, Time-Delay, 250 A, Non-Indicating
AC
250 V
DC
125 V

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE FLNR250 is a Class RK5 time-delay blade fuse rated at 250 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 FLNR250 fuse used for?

The LITTELFUSE FLNR250 is a Class RK5 time-delay fuse rated 250 A at 250 V AC and 125 V DC. It protects industrial motor circuits, feeders, and branch circuits against overloads and short circuits, especially where high inrush currents occur.

What are the specifications of the LITTELFUSE FLNR250 fuse?

The LITTELFUSE FLNR250 is a non-indicating, time-delay blade fuse from the FLNR Series. It is rated 250 A at 250 V AC and 125 V DC, with a Class RK5 characteristic. The manufacturer part number is FLNR250.

Where to buy the LITTELFUSE FLNR250 fuse worldwide?

3G Electric supplies the LITTELFUSE FLNR250 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct LITTELFUSE FLNR250 fuse for an application?

Select the LITTELFUSE FLNR250 based on continuous load current (250 A), system voltage (250 V AC or 125 V DC), and inrush characteristics. The time-delay feature accommodates motor starting surges. Always verify the Class RK5 rejection feature prevents substitution with lower-rated fuses.

Used in

Common applications for LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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LITTELFUSE 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.

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Class RK5, time-delay blade fuse rated 300 A at 600 V AC or 300 V DC. Features a visual blown-fuse indicator for quick identification. Suitable for overcurrent protection in motor circuits, transformers, and branch circuits with high inrush currents
LITTELFUSE
Class RK5, time-delay blade fuse rated 300 A at 600 V AC or 300 V DC. Features a visual blown-fuse indicator for quick identification. Suitable for overcurrent protection in motor circuits, transformers, and branch circuits with high inrush currents

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