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LITTELFUSE FLSR300 Time-Delay Blade Fuse - Time-Delay Blade Fuses
LITTELFUSETime-Delay Blade Fuses

LITTELFUSE FLSR300 Time-Delay Blade Fuse

The LITTELFUSE FLSR300 is a Class RK5, time-delay blade fuse rated at 300 A, 600 V AC and 300 V DC. Part of the FLSR Series, this non-indicating fuse is designed for overcurrent protection in industrial electrical…

SKU 3G-OTH-27016

Also listed as: FLSR 300 · FLSR-300

Brand
LITTELFUSE
Item
FLSR300 Time-Delay Blade Fuse
Part Number
FLSR300
Category
Time-Delay Blade Fuses
Available to Order
Also known as:FLSR300LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLSR300
Series
FLSR
Type
FLSR Series, Time-Delay, 300 A, Non-Indicating
AC
600 V
DC
300 V

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

Product Description

The LITTELFUSE FLSR300 is a Class RK5, time-delay blade fuse rated at 300 A, 600 V AC and 300 V DC. Part of the FLSR Series, this non-indicating fuse is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the LITTELFUSE FLSR300 fuse used for?

The LITTELFUSE FLSR300 is a Class RK5 time-delay fuse rated 300 A at 600 V AC or 300 V DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial electrical systems.

What are the specifications of the LITTELFUSE FLSR300 fuse?

The LITTELFUSE FLSR300 is a non-indicating, time-delay blade fuse in the FLSR series. It carries 300 A continuous current, with a maximum AC voltage of 600 V and DC voltage of 300 V. The manufacturer part number is FLSR300.

Where to buy LITTELFUSE FLSR300 fuses worldwide?

3G Electric supplies the LITTELFUSE FLSR300 fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class RK5 time-delay fuse.

How to select the correct LITTELFUSE FLSR300 fuse for an application?

Select the FLSR300 when your circuit requires a 300 A, 600 V AC or 300 V DC time-delay fuse for motor or transformer protection. Verify the interrupting rating matches your available fault current and that the fuse holder is rated for Class RK5 fuses.

Used in

Common applications for LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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LITTELFUSE Products

3G Electric supplies LITTELFUSE time-delay blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Class RK5, time-delay blade fuse rated 300 A at 600 V AC or 300 V DC. Features a visual blown-fuse indicator for quick identification. Suitable for overcurrent protection in motor circuits, transformers, and branch circuits with high inrush currents
LITTELFUSE
Class RK5, time-delay blade fuse rated 300 A at 600 V AC or 300 V DC. Features a visual blown-fuse indicator for quick identification. Suitable for overcurrent protection in motor circuits, transformers, and branch circuits with high inrush currents

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