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

The LITTELFUSE FLSR01.4T is a Class RK5, time-delay cylindrical fuse from the FLSR Series, rated at 1.4 A with 600 V AC and 300 V DC capacity. This non-indicating fuse is designed for overcurrent protection in…

SKU 3G-OTH-28482

Also listed as: FLSR014T · FLSR01 4T · FLSR01-4T

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR Series, Time-Delay, 1.4 A, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
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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
FLSR01.4T
Series
FLSR
Type
FLSR Series, Time-Delay, 1.4 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 FLSR01.4T is a Class RK5, time-delay cylindrical fuse from the FLSR Series, rated at 1.4 A with 600 V AC and 300 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial circuits, sourced and supported by 3G Electric across 14 departments, with specialist expertise in electrical controls.

Frequently Asked Questions

What is the LITTELFUSE FLSR01.4T fuse used for?

The LITTELFUSE FLSR01.4T is a Class RK5 time-delay fuse rated 1.4 A, 600 V AC, 300 V DC. It protects motor circuits, transformers, and lighting panels from overloads and short circuits. Its time-delay characteristic allows harmless inrush currents without nuisance opening.

What are the specifications of the LITTELFUSE FLSR01.4T fuse?

The LITTELFUSE FLSR01.4T is a Class RK5, FLSR Series, time-delay, non-indicating fuse. It is rated 1.4 A, 600 V AC, 300 V DC. The manufacturer part number is FLSR01.4T. It is designed for cylindrical fuse holders and provides branch-circuit protection.

Where to buy LITTELFUSE FLSR01.4T fuses worldwide?

3G Electric supplies the LITTELFUSE FLSR01.4T fuse worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this FLSR Series fuse globally.

How to select the correct LITTELFUSE FLSR series fuse for an application?

Select the FLSR fuse based on continuous load current (1.4 A for this model), system voltage (600 V AC or 300 V DC), and inrush characteristics. The time-delay feature handles motor starts. Verify the Class RK5 rejection feature fits your fuse holder. Consult LITTELFUSE application notes 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 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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