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

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

The LITTELFUSE FLNR Series FLNR.125T is a Class RK5 time-delay cylindrical fuse rated at 125 mA, 250 V AC and 125 V DC. This non-indicating fuse provides overcurrent protection for industrial circuits requiring…

SKU 3G-OTH-28836

Also listed as: FLNR125T · FLNR 125T · FLNR-125T

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLNR Series, Time-Delay, 125 mA, 250 V AC, 125 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
FLNR.125T
Series
FLNR
Type
FLNR Series, Time-Delay, 125 mA, Non-Indicating
AC
250 V
DC
125 V

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

Product Description

The LITTELFUSE FLNR Series FLNR.125T is a Class RK5 time-delay cylindrical fuse rated at 125 mA, 250 V AC and 125 V DC. This non-indicating fuse provides overcurrent protection for industrial circuits requiring time-delay characteristics.

Frequently Asked Questions

What is the LITTELFUSE FLNR.125T fuse used for?

The LITTELFUSE FLNR.125T is a Class RK5 time-delay cylindrical fuse used for overcurrent protection in industrial control panels, motor circuits, and branch circuits. Its 125 mA rating and 250 V AC / 125 V DC capacity make it suitable for sensitive equipment requiring low-current protection.

What are the specifications of the LITTELFUSE FLNR.125T fuse?

The LITTELFUSE FLNR.125T is a Class RK5, FLNR Series, time-delay, non-indicating fuse rated at 125 mA, 250 V AC, and 125 V DC. It is a cylindrical fuse designed for branch-circuit protection. The manufacturer part number is FLNR.125T.

Where to buy LITTELFUSE FLNR.125T fuses worldwide?

3G Electric supplies the LITTELFUSE FLNR.125T 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 FLNR Series fuse to any country.

How to select the correct LITTELFUSE FLNR.125T fuse for a circuit?

To select the correct LITTELFUSE FLNR.125T fuse, verify your circuit's voltage does not exceed 250 V AC or 125 V DC, and the continuous current is below 125 mA. Ensure the Class RK5 time-delay characteristic matches your load's inrush profile. Consult a qualified engineer for branch-circuit 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
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 250 mA, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR.250T)
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