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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.25 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.25 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR-ID Series Fuse is a Class RK5, time-delay cylindrical fuse rated at 1.25 A, 600 V AC and 300 V DC, with an indicating feature. 3G Electric interprets your demand for overcurrent protection and…

SKU 3G-OTH-28188

Also listed as: FLSR125ID · FLSR1 25ID · FLSR1-25ID

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.25 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLSR1.25ID
Series
FLSR-ID
Type
FLSR-ID Series, Time-Delay, 1.25 A, Indicating
AC
600 V
DC
300 V

Technical Documents

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

Product Description

The LITTELFUSE FLSR-ID Series Fuse is a Class RK5, time-delay cylindrical fuse rated at 1.25 A, 600 V AC and 300 V DC, with an indicating feature. 3G Electric interprets your demand for overcurrent protection and sources this genuine LITTELFUSE component (MPN FLSR1.25ID) across 14 industrial departments, with specialist depth in electrical controls to support your application.

Frequently Asked Questions

What is the Littelfuse FLSR1.25ID fuse used for?

The Littelfuse FLSR1.25ID is a Class RK5 time-delay indicating fuse rated 1.25 A, 600 V AC / 300 V DC. It protects motor circuits, transformers, and control panels from overcurrent while its indicator shows a blown fuse for faster troubleshooting in industrial applications.

What are the specifications of the Littelfuse FLSR1.25ID fuse?

The Littelfuse FLSR1.25ID is a Class RK5 time-delay indicating fuse from the FLSR-ID series. It is rated 1.25 A, 600 V AC and 300 V DC. The indicating feature provides visual confirmation of an open fuse, simplifying maintenance in electrical distribution systems.

Where to buy the Littelfuse FLSR1.25ID fuse worldwide?

3G Electric supplies the Littelfuse FLSR1.25ID 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 Class RK5 time-delay indicating fuse.

How to select the right Littelfuse FLSR-ID series fuse for a motor circuit?

Select a Littelfuse FLSR-ID fuse based on motor full-load current and starting characteristics. The time-delay feature handles inrush without nuisance opening. Verify voltage rating (600 V AC / 300 V DC) and amp rating (e.g., 1.25 A for FLSR1.25ID). Always consult the manufacturer's application guide.

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 cylindrical 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
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