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LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 250 A, 250 V AC, 125 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 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
Fuse: Class RK5, FLNR Series, Time-Delay, 250 A, 250 V AC, 125 V DC
Category
Time-Delay Blade Fuses
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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.

Technical Specifications

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

Technical Documents

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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
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.

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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Cross-referenced by specification & description
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 90 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR090)
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