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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 2.25 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 2.25 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR2.25 is a Class RK5, time-delay cylindrical fuse rated at 2.25 A, 600 V AC and 300 V DC. As a non-indicating FLSR Series component, it provides overcurrent protection for industrial circuits. 3G…

SKU 3G-OTH-26788

Also listed as: FLSR225 · FLSR2 25 · FLSR2-25

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR Series, Time-Delay, 2.25 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical 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
FLSR2.25
Series
FLSR
Type
FLSR Series, Time-Delay, 2.25 A, Non-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 FLSR2.25 is a Class RK5, time-delay cylindrical fuse rated at 2.25 A, 600 V AC and 300 V DC. As a non-indicating FLSR Series component, it provides overcurrent protection for industrial circuits. 3G Electric interprets your demand for genuine electrical protection and delivers this fuse across 14 industrial departments, with specialist depth in controls to support your sourcing needs.

Frequently Asked Questions

What is the LITTELFUSE FLSR2.25 fuse used for?

The LITTELFUSE FLSR2.25 is a Class RK5 time-delay fuse rated 2.25 A, 600 V AC / 300 V DC. It protects motor circuits, transformers, and lighting systems from overcurrent and short circuits. Its time-delay characteristic handles inrush currents without nuisance opening, making it suitable for industrial and commercial power distribution.

What are the specifications of the LITTELFUSE FLSR2.25?

The LITTELFUSE FLSR2.25 is a Class RK5, time-delay, non-indicating fuse. It has a current rating of 2.25 A, voltage rating of 600 V AC and 300 V DC, and belongs to the FLSR series. The manufacturer part number is FLSR2.25. It is designed for overcurrent protection in branch circuits.

Where to buy the LITTELFUSE FLSR2.25 fuse worldwide?

You can source the LITTELFUSE FLSR2.25 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 FLSR2.25 fuse for a circuit?

To select the LITTELFUSE FLSR2.25, verify the circuit's continuous current does not exceed 2.25 A and the system voltage is within 600 V AC or 300 V DC. Ensure the fuse's Class RK5 time-delay characteristic matches the inrush profile of your load, such as motors or transformers. Consult a qualified engineer 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.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR005)
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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR005)
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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 2.5 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR02.5)
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 2 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR002)
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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 2 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR002)

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