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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 450 A, 600 V AC, 300 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 450 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR-ID Series FLSR450ID is a Class RK5, time-delay blade fuse rated at 450 A, 600 V AC and 300 V DC, with an indicating feature. 3G Electric interprets your demand for industrial electrical protection…

SKU 3G-OTH-28266

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR-ID Series, Time-Delay, 450 A, 600 V AC, 300 V DC
Category
Time-Delay Blade 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
FLSR450ID
Series
FLSR-ID
Type
FLSR-ID Series, Time-Delay, 450 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 FLSR450ID is a Class RK5, time-delay blade fuse rated at 450 A, 600 V AC and 300 V DC, with an indicating feature. 3G Electric interprets your demand for industrial electrical protection and sources this genuine LITTELFUSE fuse across 14 industrial departments — with specialist depth in controls to support your application.

Frequently Asked Questions

What is the Littelfuse FLSR450ID fuse used for?

The Littelfuse FLSR450ID is a Class RK5 time-delay indicating fuse rated 450 A, 600 V AC / 300 V DC. It protects industrial motor circuits, transformers, and branch circuits where high inrush currents occur and visual blown-fuse indication speeds troubleshooting.

What are the specifications of the Littelfuse FLSR450ID?

The Littelfuse FLSR450ID is a Class RK5, FLSR-ID Series, time-delay indicating fuse. Ratings: 450 A, 600 V AC, 300 V DC. The indicating feature shows a blown fuse visually. Manufacturer part number FLSR450ID.

Where to buy the Littelfuse FLSR450ID fuse worldwide?

3G Electric supplies the Littelfuse FLSR450ID 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 correct Littelfuse FLSR450ID fuse for an application?

Select the Littelfuse FLSR450ID for circuits requiring a 450 A, 600 V AC / 300 V DC Class RK5 time-delay fuse with visual indication. Verify the continuous load does not exceed 450 A and that inrush characteristics match the time-delay curve. 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 350 A, 600 V AC, 300 V DC, Indicating (MPN FLSR350ID)
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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 250 A, 600 V AC, 300 V DC, Indicating (MPN FLSR250ID)
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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 250 A, 600 V AC, 300 V DC, Indicating (MPN FLSR250ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 80 A, 600 V AC, 300 V DC, Indicating (MPN FLSR080ID)
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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 80 A, 600 V AC, 300 V DC, Indicating (MPN FLSR080ID)

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LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 110 A, 250 V AC, 125 V DC, Indicating (MPN FLNR110ID)
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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 300 A, 600 V AC, 300 V DC, Indicating (MPN FLSR300ID)
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