Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 500 mA, 600 V AC, 300 V DC - Time-Delay Cylindrical Fuses
LITTELFUSETime-Delay Cylindrical Fuses

LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 500 mA, 600 V AC, 300 V DC

SKU 3G-OTH-28456

Brand
LITTELFUSE
Item
Fuse: Class RK5, FLSR Series, Time-Delay, 500 mA, 600 V AC, 300 V DC
Category
Time-Delay Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LITTELFUSE
Manufacturer Part Number
FLSR.500T
Series
FLSR
Type
FLSR Series, Time-Delay, 500 mA, Non-Indicating
AC
600 V
DC
300 V
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Frequently Asked Questions

What is the LITTELFUSE FLSR.500T fuse used for?

The LITTELFUSE FLSR.500T is a Class RK5 time-delay cylindrical fuse rated 500 mA, 600 V AC / 300 V DC. It protects motor circuits, transformers, and general industrial equipment from overloads and short circuits, providing reliable overcurrent protection across 14 industrial departments.

What are the specifications of the LITTELFUSE FLSR.500T fuse?

The LITTELFUSE FLSR.500T is a Class RK5, time-delay, non-indicating fuse rated 500 mA, 600 V AC, 300 V DC. It belongs to the FLSR series and is manufactured by LITTELFUSE. Its time-delay characteristic allows it to withstand temporary inrush currents without nuisance opening.

Where to buy the LITTELFUSE FLSR.500T fuse worldwide?

3G Electric supplies the LITTELFUSE FLSR.500T fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source genuine LITTELFUSE components across all industrial categories.

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

Select the LITTELFUSE FLSR series fuse based on continuous current (500 mA for this model), system voltage (600 V AC or 300 V DC), and required time-delay characteristics. Ensure the interrupting rating meets fault current levels. Consult the manufacturer's data sheet for specific motor or transformer protection 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 150 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.150T). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 150 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.150T). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 600 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.800T). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 600 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.800T). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 300 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.300T). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 300 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.300T). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 200 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.200T). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 200 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.200T). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 600 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.600T). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 600 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.600T). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 250 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.250T). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 250 mA, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR.250T). Key specifications — Series: FLSR.

More from LITTELFUSE

View all LITTELFUSE parts →
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 600 mA, 600 V AC, 300 V DC, Indicating (MPN FLSR.600ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 600 mA, 600 V AC, 300 V DC, Indicating (MPN FLSR.600ID). Key specifications — Series: FLSR-ID.
LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 2 A, 600 V AC, 600 V DC, Indicating (MPN IDSR002). Key specifications — Series: IDSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, IDSR Series, Time-Delay, 2 A, 600 V AC, 600 V DC, Indicating (MPN IDSR002). Key specifications — Series: IDSR.
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR005ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR005ID). Key specifications — Series: FLSR-ID.
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 17.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR17.5ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 17.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR17.5ID). Key specifications — Series: FLSR-ID.
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 3.5 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR03.5). Key specifications — Series: FLNR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 3.5 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR03.5). Key specifications — Series: FLNR.
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 6.25 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR6.25). Key specifications — Series: FLNR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLNR Series, Time-Delay, 6.25 A, 250 V AC, 125 V DC, Non-Indicating (MPN FLNR6.25). Key specifications — Series: FLNR.
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 7 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR007). Key specifications — Series: FLSR.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR Series, Time-Delay, 7 A, 600 V AC, 300 V DC, Non-Indicating (MPN FLSR007). Key specifications — Series: FLSR.
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 3.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR03.5ID). Key specifications — Series: FLSR-ID.
LITTELFUSE
LITTELFUSE Fuse: Class RK5, FLSR-ID Series, Time-Delay, 3.5 A, 600 V AC, 300 V DC, Indicating (MPN FLSR03.5ID). Key specifications — Series: FLSR-ID.