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LITTELFUSE Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC - Time-Delay Bolt-On Fuses
LITTELFUSETime-Delay Bolt-On Fuses

LITTELFUSE Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC

The LITTELFUSE KLLU3000X is a Class L, time-delay bolt-on fuse from the KLLU Series. It is rated for 3 kA at 600 V AC and 300 V DC, with a bolt-on body design.

SKU 3G-OTH-26309

Brand
LITTELFUSE
Item
Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 3 kA, 600 V AC
Category
Time-Delay Bolt-On 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
KLLU3000X
Series
KLLU
Type
KLLU Series, Bolt-On Body, Time-Delay, 3 kA
AC
600 V
DC
300 V

Technical Documents

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

Product Description

The LITTELFUSE KLLU3000X is a Class L, time-delay bolt-on fuse from the KLLU Series. It is rated for 3 kA at 600 V AC and 300 V DC, with a bolt-on body design.

Frequently Asked Questions

What is the LITTELFUSE KLLU3000X fuse used for?

The LITTELFUSE KLLU3000X is a Class L time-delay bolt-on fuse used for overcurrent protection in industrial power distribution, motor circuits, and feeder applications. Its time-delay characteristic allows it to withstand temporary inrush currents without nuisance opening, making it suitable for equipment with high starting loads.

What are the specifications of the LITTELFUSE KLLU3000X?

The LITTELFUSE KLLU3000X is rated for 3 kA at 600 V AC and 300 V DC. It features a bolt-on body design and belongs to the KLLU Series. This Class L fuse provides time-delay performance for handling transient overloads in industrial circuits.

Where to buy LITTELFUSE KLLU3000X worldwide?

3G Electric supplies the LITTELFUSE KLLU3000X worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this KLLU Series fuse.

How to select the correct LITTELFUSE KLLU3000X fuse for an application?

To select the LITTELFUSE KLLU3000X, verify your system voltage (600 V AC or 300 V DC) and ensure the continuous current rating does not exceed 3 kA. The time-delay feature suits motor or transformer circuits with high inrush. Always consult the manufacturer's data sheet for coordination with upstream protection.

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 bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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