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3G Electric
LITTELFUSE KLLU1200X Class L Time-Delay Bolt-On Fuse - Time-Delay Bolt-On Fuses
LITTELFUSETime-Delay Bolt-On Fuses

LITTELFUSE KLLU1200X Class L Time-Delay Bolt-On Fuse

The LITTELFUSE KLLU Series Class L Time-Delay Bolt-On Fuse (MPN KLLU1200X) is a 1.2 kA, 600 V AC, 300 V DC industrial fuse with a bolt-on body. It provides time-delay operation for overcurrent protection in…

SKU 3G-OTH-27405

Brand
LITTELFUSE
Item
KLLU1200X Class L Time-Delay Bolt-On Fuse
Part Number
KLLU1200X
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:KLLU1200XLITTELFUSE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
KLLU1200X
Series
KLLU
Type
KLLU Series, Bolt-On Body, Time-Delay, 1.2 kA
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 KLLU1200X) is a 1.2 kA, 600 V AC, 300 V DC industrial fuse with a bolt-on body. It provides time-delay operation for overcurrent protection in high-current applications.

Frequently Asked Questions

What is the LITTELFUSE KLLU1200X fuse used for?

The LITTELFUSE KLLU1200X is a Class L time-delay bolt-on fuse rated 1.2 kA at 600 V AC or 300 V DC. It protects industrial equipment such as switchgear, panelboards, and motor control centers from overcurrents and short circuits in high-current power distribution systems.

What are the specifications of the LITTELFUSE KLLU1200X?

The LITTELFUSE KLLU1200X is a KLLU Series Class L bolt-on fuse with time-delay operation. It is rated 1.2 kA, 600 V AC, and 300 V DC. The bolt-on body ensures secure mounting in high-current industrial applications requiring reliable overcurrent protection.

Where to buy the LITTELFUSE KLLU1200X worldwide?

3G Electric supplies the LITTELFUSE KLLU1200X fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class L time-delay bolt-on fuse.

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

To select the correct LITTELFUSE KLLU series fuse, match the voltage rating (600 V AC or 300 V DC) and current rating (1.2 kA for the KLLU1200X) to your circuit requirements. Consider time-delay characteristics for motor-starting or transformer inrush. Consult a qualified engineer for coordination studies.

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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