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LITTELFUSE FLNR100 Class RK5 Time-Delay Blade Fuse - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE FLNR100 Class RK5 Time-Delay Blade Fuse

The LITTELFUSE FLNR100 is a Class RK5, time-delay blade fuse from the FLNR Series, rated at 100 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-26300

Also listed as: FLNR 100 · FLNR-100

Brand
LITTELFUSE
Item
FLNR100 Class RK5 Time-Delay Blade Fuse
Part Number
FLNR100
Category
Time-Delay Blade Fuses
Available to Order
Also known as:FLNR100LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLNR100
Series
FLNR
Type
FLNR Series, Time-Delay, 100 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 FLNR100 is a Class RK5, time-delay blade fuse from the FLNR Series, rated at 100 A with 250 V AC and 125 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting time-delay operation to handle temporary inrush currents without nuisance tripping.

Frequently Asked Questions

What is the LITTELFUSE FLNR100 fuse used for?

The LITTELFUSE FLNR100 is a Class RK5, time-delay fuse rated 100 A, 250 V AC / 125 V DC. It protects industrial motor circuits, lighting panels, and distribution equipment from overloads and short circuits. Its time-delay characteristic allows it to withstand harmless inrush currents without nuisance opening.

What are the specifications of the LITTELFUSE FLNR100 fuse?

The LITTELFUSE FLNR100 is a Class RK5, time-delay, non-indicating fuse rated 100 A, 250 V AC and 125 V DC. It belongs to the FLNR Series and is designed for branch-circuit protection. The manufacturer part number is FLNR100. It is a blade-type fuse suitable for industrial fuse holders.

Where to buy LITTELFUSE FLNR100 fuses worldwide?

3G Electric supplies the LITTELFUSE FLNR100 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine LITTELFUSE components to support your operations.

How to select the correct LITTELFUSE FLNR100 fuse for an application?

To select the LITTELFUSE FLNR100, verify your circuit voltage does not exceed 250 V AC or 125 V DC, and the continuous load current is below 100 A. Ensure the fuse holder accepts Class RK5 blade fuses. The time-delay feature is ideal for motor-starting or transformer inrush. Always consult the manufacturer's data sheet for coordination.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.
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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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