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3G Electric
LITTELFUSE KLLU900.X Class L Time-Delay Bolt-On Fuse, 900 A, 600 V AC / 300 V DC - Time-Delay Bolt-On Fuses
LITTELFUSETime-Delay Bolt-On Fuses

LITTELFUSE KLLU900.X Class L Time-Delay Bolt-On Fuse, 900 A, 600 V AC / 300 V DC

The LITTELFUSE KLLU Series Class L Time-Delay Bolt-On Fuse (MPN KLLU900.X) is a 900 A, 600 V AC / 300 V DC industrial fuse. This bolt-on body fuse offers time-delay characteristics for handling inrush currents.

SKU 3G-OTH-25935

Also listed as: KLLU900X · KLLU900 X · KLLU900-X

Brand
LITTELFUSE
Item
KLLU900.X Class L Time-Delay Bolt-On Fuse, 900 A, 600 V AC / 300 V DC
Part Number
KLLU900.X
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:KLLU900.XLITTELFUSE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
KLLU900.X
Series
KLLU
Type
KLLU Series, Bolt-On Body, Time-Delay, 900 A
AC
600 V
DC
300 V

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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 KLLU900.X) is a 900 A, 600 V AC / 300 V DC industrial fuse. This bolt-on body fuse offers time-delay characteristics for handling inrush currents.

Frequently Asked Questions

What is the LITTELFUSE KLLU900.X fuse used for?

The LITTELFUSE KLLU900.X is a 900 A, 600 V AC / 300 V DC Class L time-delay bolt-on fuse. It protects industrial equipment such as motors, transformers, and feeders from overcurrents while safely handling inrush currents. Common applications include switchboards, panelboards, and heavy machinery in manufacturing and utility plants.

What are the specifications of the LITTELFUSE KLLU900.X?

The LITTELFUSE KLLU900.X is a Class L, KLLU Series, bolt-on body, time-delay fuse rated 900 A, 600 V AC, and 300 V DC. It features a bolt-on mounting style for secure installation in industrial fuse holders. The time-delay characteristic allows it to withstand temporary inrush without nuisance opening.

Where to buy LITTELFUSE KLLU900.X worldwide?

3G Electric supplies the LITTELFUSE KLLU900.X fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine LITTELFUSE components for industrial applications.

How to select the correct LITTELFUSE KLLU900.X fuse?

To select the LITTELFUSE KLLU900.X, verify your circuit voltage (600 V AC or 300 V DC max) and continuous current (900 A). Ensure the bolt-on mounting matches your fuse holder. The time-delay feature suits motor or transformer circuits with high inrush. Always consult the manufacturer's data sheet for coordination and interrupting rating.

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 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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