Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 250 A, 250 V AC, 125 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

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

The LITTELFUSE FLNR-ID Series FLNR250ID is a Class RK5, time-delay blade fuse rated at 250 A, 250 V AC and 125 V DC, with an indicating feature. This 3G Electric-sourced component supports overcurrent protection…

SKU 3G-OTH-28119

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLNR-ID Series, Time-Delay, 250 A, 250 V AC, 125 V DC
Category
Time-Delay Blade Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLNR250ID
Series
FLNR-ID
Type
FLNR-ID Series, Time-Delay, 250 A, Indicating
AC
250 V
DC
125 V
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The LITTELFUSE FLNR-ID Series FLNR250ID is a Class RK5, time-delay blade fuse rated at 250 A, 250 V AC and 125 V DC, with an indicating feature. This 3G Electric-sourced component supports overcurrent protection across 14 industrial departments, backed by specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the LITTELFUSE FLNR250ID fuse used for?

The LITTELFUSE FLNR250ID is a Class RK5, time-delay, indicating fuse rated 250 A at 250 V AC or 125 V DC. It protects industrial motor circuits, feeders, and branch circuits where high inrush currents occur, and its visual indicator simplifies troubleshooting.

What are the specifications of the LITTELFUSE FLNR250ID?

The LITTELFUSE FLNR250ID is a Class RK5, time-delay, indicating fuse from the FLNR-ID Series. It is rated 250 A, 250 V AC, 125 V DC. The indicating feature shows a blown fuse at a glance, reducing downtime in industrial control panels and power distribution.

Where to buy LITTELFUSE FLNR250ID worldwide?

3G Electric supplies the LITTELFUSE FLNR250ID Class RK5 time-delay indicating fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 250 A, 250 V AC fuse.

How to select the right LITTELFUSE FLNR250ID fuse for an application?

To select the LITTELFUSE FLNR250ID, verify your circuit voltage (250 V AC or 125 V DC max) and continuous current (250 A). This time-delay fuse handles motor start-up surges. Confirm the Class RK5 rejection feature fits your fuse holder. 3G Electric can help match the FLNR-ID Series to your load.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 225 A, 250 V AC, 125 V DC, Indicating (MPN FLNR225ID). Key specifications — Series: FLNR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 225 A, 250 V AC, 125 V DC, Indicating (MPN FLNR225ID). Key specifications — Series: FLNR-ID.
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 200 A, 250 V AC, 125 V DC, Indicating (MPN FLNR200ID). Key specifications — Series: FLNR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 200 A, 250 V AC, 125 V DC, Indicating (MPN FLNR200ID). Key specifications — Series: FLNR-ID.
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 100 A, 250 V AC, 125 V DC, Indicating (MPN FLNR100ID). Key specifications — Series: FLNR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 100 A, 250 V AC, 125 V DC, Indicating (MPN FLNR100ID). Key specifications — Series: FLNR-ID.
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 125 A, 250 V AC, 125 V DC, Indicating (MPN FLNR125ID). Key specifications — Series: FLNR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 125 A, 250 V AC, 125 V DC, Indicating (MPN FLNR125ID). Key specifications — Series: FLNR-ID.
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 110 A, 250 V AC, 125 V DC, Indicating (MPN FLNR110ID). Key specifications — Series: FLNR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 110 A, 250 V AC, 125 V DC, Indicating (MPN FLNR110ID). Key specifications — Series: FLNR-ID.
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 150 A, 250 V AC, 125 V DC, Indicating (MPN FLNR150ID). Key specifications — Series: FLNR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 150 A, 250 V AC, 125 V DC, Indicating (MPN FLNR150ID). Key specifications — Series: FLNR-ID.

More from LITTELFUSE

View all LITTELFUSE parts →
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 150 A, 600 V AC, 300 V DC, Indicating (MPN FLSR150ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 150 A, 600 V AC, 300 V DC, Indicating (MPN FLSR150ID). Key specifications — Series: FLSR-ID.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 300 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR300). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 300 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR300). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 70 A, 600 V AC, 600 V DC, Indicating (MPN IDSR070). Key specifications — Series: IDSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 70 A, 600 V AC, 600 V DC, Indicating (MPN IDSR070). Key specifications — Series: IDSR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 225 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR225). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 225 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR225). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 300 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR300). Key specifications — Series: FLNR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 300 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR300). Key specifications — Series: FLNR.
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 90 A, 600 V AC, 300 V DC, Indicating (MPN FLSR090ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 90 A, 600 V AC, 300 V DC, Indicating (MPN FLSR090ID). Key specifications — Series: FLSR-ID.
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 225 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR225). Key specifications — Series: FLNR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 225 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR225). Key specifications — Series: FLNR.
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 450 A, 600 V AC, 300 V DC, Indicating (MPN FLSR450ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 450 A, 600 V AC, 300 V DC, Indicating (MPN FLSR450ID). Key specifications — Series: FLSR-ID.