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LITTELFUSE FLNR350 Class RK5 Time-Delay Blade Fuse - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE FLNR350 Class RK5 Time-Delay Blade Fuse

The LITTELFUSE FLNR350 is a Class RK5, time-delay blade fuse from the FLNR Series, rated at 350 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets this demand and sources the exact OEM part, providing…

SKU 3G-OTH-28423

Also listed as: FLNR 350 · FLNR-350

Brand
LITTELFUSE
Item
FLNR350 Class RK5 Time-Delay Blade Fuse
Part Number
FLNR350
Category
Time-Delay Blade Fuses
Available to Order
Also known as:FLNR350LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLNR350
Series
FLNR
Type
FLNR Series, Time-Delay, 350 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 FLNR350 is a Class RK5, time-delay blade fuse from the FLNR Series, rated at 350 A, 250 V AC and 125 V DC, non-indicating. 3G Electric interprets this demand and sources the exact OEM part, providing accountability across 14 industrial departments — with specialist depth in electrical components as a trusted partner.

Frequently Asked Questions

What is the LITTELFUSE FLNR350 fuse used for?

The LITTELFUSE FLNR350 is a Class RK5, time-delay fuse rated 350 A at 250 V AC or 125 V DC. It protects industrial motor circuits, transformers, and other equipment with high inrush currents. Its non-indicating design suits applications where visual blown-fuse indication is not required.

What are the specifications of the LITTELFUSE FLNR350 fuse?

The LITTELFUSE FLNR350 is a Class RK5, time-delay blade fuse rated 350 A, 250 V AC, and 125 V DC. It is part of the FLNR Series and is non-indicating. The manufacturer part number is FLNR350. It provides overcurrent protection for industrial power distribution and motor circuits.

Where to buy the LITTELFUSE FLNR350 fuse worldwide?

You can source the LITTELFUSE FLNR350 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; we supply genuine LITTELFUSE components for industrial applications.

How to select the correct LITTELFUSE FLNR350 fuse for an application?

To select the LITTELFUSE FLNR350, verify your circuit voltage (250 V AC or 125 V DC max) and continuous current (350 A). Ensure the Class RK5 time-delay characteristic matches motor-start or transformer-inrush requirements. Consult the FLNR series data sheet for coordination with upstream protection devices.

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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