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LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 50 A, 250 V AC, 125 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 50 A, 250 V AC, 125 V DC

The LITTELFUSE FLNR-ID Series FLNR050ID is a Class RK5, time-delay cylindrical fuse rated at 50 A, 250 V AC and 125 V DC, with an indicating feature. 3G Electric interprets your demand for overcurrent protection and…

SKU 3G-OTH-27998

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLNR-ID Series, Time-Delay, 50 A, 250 V AC, 125 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
FLNR050ID
Series
FLNR-ID
Type
FLNR-ID Series, Time-Delay, 50 A, Indicating
AC
250 V
DC
125 V

Technical Documents

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

Product Description

The LITTELFUSE FLNR-ID Series FLNR050ID is a Class RK5, time-delay cylindrical fuse rated at 50 A, 250 V AC and 125 V DC, with an indicating feature. 3G Electric interprets your demand for overcurrent protection and sources this genuine industrial fuse across 14 departments — with specialist depth in electrical controls to ensure the right solution.

Frequently Asked Questions

What is a Littelfuse FLNR-ID time-delay fuse used for?

The Littelfuse FLNR-ID is a Class RK5, 50 A, 250 V AC / 125 V DC time-delay indicating fuse. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads, while its built-in indicator simplifies troubleshooting in industrial control panels and power distribution.

What are the specifications of the Littelfuse FLNR050ID fuse?

The Littelfuse FLNR050ID is a Class RK5, FLNR-ID Series, time-delay, 50 A fuse rated 250 V AC and 125 V DC. It features an indicating function that visually shows when the fuse has opened. The manufacturer part number is FLNR050ID.

Where to buy Littelfuse FLNR050ID fuses worldwide?

3G Electric supplies the Littelfuse FLNR050ID fuse to customers worldwide. As a global industrial sourcing partner, 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 do you select the right Littelfuse FLNR-ID fuse for a motor circuit?

To select a Littelfuse FLNR-ID fuse, match the voltage rating (250 V AC or 125 V DC) and current rating (e.g., 50 A) to your circuit. The time-delay characteristic handles motor inrush without nuisance opening. Always verify the interrupting rating and consult the manufacturer's data sheet for branch-circuit protection requirements.

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
Class RK5 time-delay cylindrical fuse rated 45 A, 250 V AC and 125 V DC. Features an indicating function that provides visual confirmation when the fuse has opened. Suitable for overcurrent protection of motor circuits, transformers, and other inductive loads in industrial control panels and distribution equipment
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Class RK5 time-delay cylindrical fuse rated 45 A, 250 V AC and 125 V DC. Features an indicating function that provides visual confirmation when the fuse has opened. Suitable for overcurrent protection of motor circuits, transformers, and other inductive loads in industrial control panels and distribution equipment
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 35 A, 250 V AC, 125 V DC, Indicating (MPN FLNR035ID)
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LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 35 A, 250 V AC, 125 V DC, Indicating (MPN FLNR035ID)
Class RK5 time-delay cylindrical fuse rated 40 A, 250 V AC and 125 V DC. Features an indicating function for blown-fuse detection. Used for overcurrent protection in branch circuits, motor and transformer applications
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Class RK5 time-delay cylindrical fuse rated 40 A, 250 V AC and 125 V DC. Features an indicating function for blown-fuse detection. Used for overcurrent protection in branch circuits, motor and transformer applications
LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 60 A, 250 V AC, 125 V DC, Indicating (MPN FLNR060ID)
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LITTELFUSE Fuse: Class RK5, FLNR-ID Series, Time-Delay, 60 A, 250 V AC, 125 V DC, Indicating (MPN FLNR060ID)
Class RK5, FLNR Series time-delay cylindrical fuse rated 50 A, 250 V AC, and 125 V DC, non-indicating. Designed for overcurrent protection in industrial circuits, its time-delay characteristic accommodates inrush currents from motors, transformers, and lighting loads without nuisance opening
LITTELFUSE
Class RK5, FLNR Series time-delay cylindrical fuse rated 50 A, 250 V AC, and 125 V DC, non-indicating. Designed for overcurrent protection in industrial circuits, its time-delay characteristic accommodates inrush currents from motors, transformers, and lighting loads without nuisance opening
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 10 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR010)
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 10 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR010)

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Class RK5, time-delay cylindrical fuse from the IDSR series. Rated 9 A, 600 V AC and 600 V DC. Indicating feature provides visual status. Used for overcurrent protection of motors, transformers, and inductive loads in industrial control panels and power distribution systems
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Class RK5 time-delay cylindrical fuse rated 25 A, 600 V AC and 300 V DC. Non-indicating design from the FLSR Series. Provides overcurrent protection for branch circuits, motors, transformers, and lighting equipment where time-delay characteristics accommodate inrush currents
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Class RK5 time-delay cylindrical fuse rated 25 A, 600 V AC and 300 V DC. Non-indicating design from the FLSR Series. Provides overcurrent protection for branch circuits, motors, transformers, and lighting equipment where time-delay characteristics accommodate inrush currents
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The LITTELFUSE FLM015 is a 15 A, 250 V AC time-delay midget fuse with a non-indicating design. It measures 13/32 in x 1 1/2 in and is part of the FLM series. This fuse is used in industrial control circuits, motors, and transformers to provide overload and short-circuit protection while accommodating temporary inrush currents
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