UL Class Fuse, L Class, KLLU Series, Time-Delay, 4000A, 600V AC, Non-Indicating MPN:KLLU4000X
UL Class Fuse, L Class, KLLU Series, Time-Delay, 4000A, 600V AC, Non-Indicating
Protect your high-power electrical systems with the Littelfuse KLLU Series UL Class Fuse. This time-delay fuse is designed for use in applications where a high interrupt rating is required, such as in power distribution and industrial control systems. With a rating of 4000A and 600V AC, it provides reliable overcurrent protection in critical systems. The non-indicating design allows for easy installation and maintenance, while the bolt-on body style ensures a secure fit in fuse block applications. Suitable for use in CE, CSA, and UL-compliant systems, this fuse offers reliable protection and peace of mind in demanding electrical environments.
Top product features:
- Time-Delay Functionality
- Interrupt Rating of 200k A at 600 V AC
- Non-Indicating Design
Top product applications:
- Overcurrent protection for 600V AC power distribution systems
- Protection of high-current equipment in industrial and commercial power systems
- High-power motor and generator protection
Fuse, 4,000 A, 600 V AC, 300 V DC, Class L, KLLU Series, Non-Indicating, Time-Delay, Body Style Bolt-On, Fits Fuse Block Style Rejection, Interrupt Rating 200k A at 600 V AC, Fuse Size 10 3/4 L x 4 3/4 in dia, Length 10 3/4 in, Diameter 4 3/4 in, Equivalent Brand and Series Littlefuse KLLU, Equivalent Series A4BY, KLLU, KLPC, KLU, KTU, Compatible Fuse Block Series Not Applicable, Standards CE, CSA, UL
Additional Information
- Country of Origin: MX
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 13.90
- Package Width: 7.60
- Package Height: 6.80
- Package Weight: 22.75
Product info last updated on February 2, 2026 5:36pm UTC
Category: Fuses and Accessories