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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 50 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 50 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR Series Class RK5 Time-Delay Cylindrical Fuse (MPN FLSR050) is a 50 A, non-indicating fuse rated for 600 V AC and 300 V DC. 3G Electric interprets your demand for overcurrent protection, sources…

SKU 3G-OTH-25748

Also listed as: FLSR 050 · FLSR-050

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR Series, Time-Delay, 50 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
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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
FLSR050
Series
FLSR
Type
FLSR Series, Time-Delay, 50 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 FLSR Series Class RK5 Time-Delay Cylindrical Fuse (MPN FLSR050) is a 50 A, non-indicating fuse rated for 600 V AC and 300 V DC. 3G Electric interprets your demand for overcurrent protection, sources this genuine component, and supports your application with specialist expertise across 14 industrial departments — including deep knowledge in controls and electrical distribution.

Frequently Asked Questions

What is the LITTELFUSE FLSR050 fuse used for?

The LITTELFUSE FLSR050 is a Class RK5, time-delay fuse rated 50 A, 600 V AC / 300 V DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial control panels, HVAC equipment, and power distribution systems.

What are the specifications of the LITTELFUSE FLSR050 fuse?

The LITTELFUSE FLSR050 is a non-indicating, time-delay cylindrical fuse from the FLSR Series. It carries a 50 A rating, 600 V AC / 300 V DC, and is classified as Class RK5. The manufacturer part number is FLSR050.

Where to buy LITTELFUSE FLSR050 fuses worldwide?

3G Electric supplies the LITTELFUSE FLSR050 fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5, 50 A, 600 V AC time-delay fuse.

How to select the correct LITTELFUSE FLSR050 replacement fuse?

Verify the existing fuse's voltage rating (600 V AC / 300 V DC), current rating (50 A), and Class (RK5). The FLSR050 is time-delay, so it handles inrush currents from motors. Always match the manufacturer part number FLSR050 and series FLSR for proper 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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