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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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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
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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Compatible alternatives & equivalents

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