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LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 4 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 4 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR-ID Series Fuse (MPN FLSR004ID) is a Class RK5, time-delay cylindrical fuse rated at 4 A, 600 V AC and 300 V DC, with an indicating feature. 3G Electric interprets your demand for industrial…

SKU 3G-OTH-29027

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR-ID Series, Time-Delay, 4 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
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Delivery
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
FLSR004ID
Series
FLSR-ID
Type
FLSR-ID Series, Time-Delay, 4 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 (MPN FLSR004ID) is a Class RK5, time-delay cylindrical fuse rated at 4 A, 600 V AC and 300 V DC, with an indicating feature. 3G Electric interprets your demand for industrial circuit protection and sources this genuine LITTELFUSE component across our 14 departments, backed by specialist expertise in controls to ensure the right solution for your application.

Frequently Asked Questions

What is the Littelfuse FLSR004ID fuse used for?

The Littelfuse FLSR004ID is a Class RK5, time-delay, indicating fuse rated 4 A, 600 V AC / 300 V DC. It protects motor circuits, transformers, and general industrial equipment from overloads and short circuits, with visual indication for blown fuse identification.

What are the specifications of the Littelfuse FLSR004ID?

The Littelfuse FLSR004ID is a Class RK5, time-delay, indicating fuse from the FLSR-ID series. It is rated 4 A, 600 V AC, 300 V DC. The manufacturer part number is FLSR004ID. It provides overload and short-circuit protection with a visual blown-fuse indicator.

Where to buy the Littelfuse FLSR004ID worldwide?

3G Electric supplies the Littelfuse FLSR004ID worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5, time-delay, indicating fuse.

How to select the right Littelfuse FLSR-ID fuse for an application?

Select the Littelfuse FLSR-ID fuse based on continuous current (4 A for FLSR004ID), system voltage (600 V AC or 300 V DC), and whether time-delay is needed for motor or transformer inrush. Always verify the interrupting rating and physical size matches your fuse holder.

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
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