We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.4 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.4 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR-ID Series Fuse is a Class RK5, time-delay cylindrical fuse rated at 1.4 A, 600 V AC and 300 V DC, with an indicating feature. This FLSR01.4ID model provides overcurrent protection with a…

SKU 3G-OTH-28045

Also listed as: FLSR014ID · FLSR01 4ID · FLSR01-4ID

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.4 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

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
FLSR01.4ID
Series
FLSR-ID
Type
FLSR-ID Series, Time-Delay, 1.4 A, Indicating
AC
600 V
DC
300 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE FLSR-ID Series Fuse is a Class RK5, time-delay cylindrical fuse rated at 1.4 A, 600 V AC and 300 V DC, with an indicating feature. This FLSR01.4ID model provides overcurrent protection with a time-delay characteristic for handling inrush currents.

Frequently Asked Questions

What is the Littelfuse FLSR01.4ID fuse used for?

The Littelfuse FLSR01.4ID is a Class RK5 time-delay indicating fuse rated 1.4 A, 600 V AC / 300 V DC. It protects motor circuits, transformers, and control panels from overloads and short circuits while its indicating feature shows when the fuse has opened.

What are the specifications of the Littelfuse FLSR01.4ID fuse?

The Littelfuse FLSR01.4ID is a Class RK5, FLSR-ID Series, time-delay fuse rated 1.4 A, 600 V AC and 300 V DC. It features an indicating function that visually signals a blown fuse. The manufacturer part number is FLSR01.4ID.

Where to buy the Littelfuse FLSR01.4ID fuse worldwide?

3G Electric supplies the Littelfuse FLSR01.4ID fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this Class RK5 time-delay indicating fuse.

How to select the right Littelfuse FLSR-ID series fuse for a motor circuit?

Select a Littelfuse FLSR-ID series fuse based on motor full-load current, starting current, and voltage rating. For a 1.4 A motor, the FLSR01.4ID provides time-delay to handle inrush while offering Class RK5 interrupting capacity. Always verify AC/DC voltage and ambient temperature.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 7 A, 600 V AC, 300 V DC, Indicating (MPN FLSR007ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 7 A, 600 V AC, 300 V DC, Indicating (MPN FLSR007ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 4 A, 600 V AC, 300 V DC, Indicating (MPN FLSR004ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 4 A, 600 V AC, 300 V DC, Indicating (MPN FLSR004ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.6 A, 600 V AC, 300 V DC, Indicating (MPN FLSR01.6ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.6 A, 600 V AC, 300 V DC, Indicating (MPN FLSR01.6ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR01.5ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 1.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR01.5ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR005ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR005ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 7.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR07.5ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 7.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR07.5ID)

More from LITTELFUSE

View all LITTELFUSE parts
LITTELFUSE FUSE 250V TIME DELAY MIDGET.100A: FLM Series, Midget, Time-Delay, 100 mA, 250 V AC (MPN FLM.100)
LITTELFUSE
LITTELFUSE FUSE 250V TIME DELAY MIDGET.100A: FLM Series, Midget, Time-Delay, 100 mA, 250 V AC (MPN FLM.100)
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 40 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR040)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 40 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR040)
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 10 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR010)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 10 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR010)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 8 A, 600 V AC, 300 V DC, Indicating (MPN FLSR008ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 8 A, 600 V AC, 300 V DC, Indicating (MPN FLSR008ID)
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 12 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR012)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 12 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR012)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 45 A, 600 V AC, 300 V DC, Indicating (MPN FLSR045ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 45 A, 600 V AC, 300 V DC, Indicating (MPN FLSR045ID)
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 60 A, 600 V AC, 300 V DC, Indicating (MPN FLSR060ID)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 60 A, 600 V AC, 300 V DC, Indicating (MPN FLSR060ID)
LITTELFUSE Fuse: FLQ Series, Midget, Time-Delay, 10 A, 500 V AC, 300 V DC, 13/32 in x 1 1/2 in (MPN FLQ010)
LITTELFUSE
LITTELFUSE Fuse: FLQ Series, Midget, Time-Delay, 10 A, 500 V AC, 300 V DC, 13/32 in x 1 1/2 in (MPN FLQ010)