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LITTELFUSE Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 800 A, 600 V AC - Time-Delay Bolt-On Fuses
LITTELFUSETime-Delay Bolt-On Fuses

LITTELFUSE Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 800 A, 600 V AC

The LITTELFUSE KLLU Series Class L Time-Delay Bolt-On Fuse (MPN KLLU800.X) is a 800 A, 600 V AC, 300 V DC industrial fuse. It features a bolt-on body and time-delay operation for overcurrent protection.

SKU 3G-OTH-25858

Also listed as: KLLU800X · KLLU800 X · KLLU800-X

Brand
LITTELFUSE
Item
Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 800 A, 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
KLLU800.X
Series
KLLU
Type
KLLU Series, Bolt-On Body, Time-Delay, 800 A
AC
600 V
DC
300 V

Technical Documents

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

Product Description

The LITTELFUSE KLLU Series Class L Time-Delay Bolt-On Fuse (MPN KLLU800.X) is a 800 A, 600 V AC, 300 V DC industrial fuse. It features a bolt-on body and time-delay operation for overcurrent protection.

Frequently Asked Questions

What is the LITTELFUSE KLLU800.X fuse used for?

The LITTELFUSE KLLU800.X is a Class L time-delay bolt-on fuse rated 800 A, 600 V AC, 300 V DC. It provides overcurrent protection in industrial power distribution, motor circuits, and feeder applications where high interrupting capacity and time-delay characteristics are required.

What are the specifications of the LITTELFUSE KLLU800.X?

The LITTELFUSE KLLU800.X is a KLLU Series Class L bolt-on fuse with time-delay operation. It is rated 800 A, 600 V AC, and 300 V DC. The manufacturer part number is KLLU800.X. It is designed for industrial overcurrent protection in high-current circuits.

Where to buy the LITTELFUSE KLLU800.X worldwide?

3G Electric supplies the LITTELFUSE KLLU800.X fuse 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 time-delay bolt-on fuse.

How to select the correct LITTELFUSE KLLU800.X fuse for an application?

Select the LITTELFUSE KLLU800.X by matching its 800 A rating, 600 V AC or 300 V DC voltage, and time-delay characteristic to your circuit's overcurrent protection requirements. Ensure the bolt-on mounting style fits your fuse holder. Consult a qualified engineer for coordination studies.

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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