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LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 12 A, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 12 A, 600 V AC, 300 V DC

The LITTELFUSE FLSR Series FLSR012 is a Class RK5, time-delay cylindrical fuse rated for 12 A, 600 V AC and 300 V DC. This non-indicating fuse provides overcurrent protection across 14 industrial departments, with…

SKU 3G-OTH-26663

Also listed as: FLSR 012 · FLSR-012

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR Series, Time-Delay, 12 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
FLSR012
Series
FLSR
Type
FLSR Series, Time-Delay, 12 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 FLSR Series FLSR012 is a Class RK5, time-delay cylindrical fuse rated for 12 A, 600 V AC and 300 V DC. This non-indicating fuse provides overcurrent protection across 14 industrial departments, with specialist depth in electrical components. 3G Electric interprets your demand, sources genuine parts like this, and supports your application with accountable expertise.

Frequently Asked Questions

What is the LITTELFUSE FLSR012 fuse used for?

The LITTELFUSE FLSR012 is a Class RK5 time-delay fuse rated 12 A, 600 V AC / 300 V DC. It protects motors, transformers, and other inductive loads from short circuits and overloads in industrial control panels, HVAC equipment, and distribution systems.

What are the specifications of the LITTELFUSE FLSR012 fuse?

The LITTELFUSE FLSR012 is a non-indicating, time-delay cylindrical fuse from the FLSR Series. It is rated 12 A, 600 V AC, 300 V DC, and carries the manufacturer part number FLSR012. It is a Class RK5 fuse designed for branch-circuit protection.

Where to buy LITTELFUSE FLSR012 fuses worldwide?

3G Electric supplies the LITTELFUSE FLSR012 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Class RK5 time-delay fuse.

How to select the correct LITTELFUSE FLSR series fuse for a motor circuit?

Select the LITTELFUSE FLSR series fuse based on motor full-load current and starting characteristics. The time-delay feature allows temporary inrush without nuisance opening. For a 12 A rating like the FLSR012, ensure the continuous load does not exceed 80% of the fuse rating per NEC guidelines.

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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