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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 500 A, 600 V AC, 300 V DC - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 500 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR500 is a Class RK5 time-delay blade fuse rated at 500 A, 600 V AC and 300 V DC. Part of the FLSR Series, this non-indicating fuse provides overcurrent protection for industrial equipment. 3G…

SKU 3G-OTH-27250

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR Series, Time-Delay, 500 A, 600 V AC, 300 V DC
Category
Time-Delay Blade Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLSR500
Series
FLSR
Type
FLSR Series, Time-Delay, 500 A, Non-Indicating
AC
600 V
DC
300 V
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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE FLSR500 is a Class RK5 time-delay blade fuse rated at 500 A, 600 V AC and 300 V DC. Part of the FLSR Series, this non-indicating fuse provides overcurrent protection for industrial equipment. 3G Electric interprets your demand and sources this genuine component across 14 industrial departments, with specialist depth in electrical controls to support your application.

Frequently Asked Questions

What is the LITTELFUSE FLSR500 fuse used for?

The LITTELFUSE FLSR500 is a Class RK5 time-delay fuse rated 500 A at 600 V AC or 300 V DC. It protects industrial motor circuits, transformers, and other equipment with high inrush currents, providing overload and short-circuit protection in panelboards and switchgear.

What are the specifications of the LITTELFUSE FLSR500 fuse?

The LITTELFUSE FLSR500 is a Class RK5, time-delay, non-indicating fuse from the FLSR series. It is rated 500 A, 600 V AC, 300 V DC. The manufacturer part number is FLSR500. It is designed for high-current industrial applications requiring reliable overcurrent protection.

Where to buy LITTELFUSE FLSR500 fuses worldwide?

3G Electric supplies the LITTELFUSE FLSR500 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this Class RK5 time-delay fuse to any country.

How to select the correct LITTELFUSE FLSR500 fuse for an application?

Select the LITTELFUSE FLSR500 fuse based on continuous load current (500 A), system voltage (600 V AC or 300 V DC), and inrush characteristics. The time-delay feature handles motor starting surges. Verify the fuse holder or disconnect switch is rated for Class RK5 fuses. Consult a qualified engineer for coordination studies.

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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