Littelfuse KLLU Series - Manual

POWR-GARD ® Fuse Datasheet
© 2012 Littelfuse POWR-GARD ® Products www.littelfuse.com
Rev: 100112
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Class l – KllU series FUses
600 VAC • Time-Delay • 601-4000 A
Description
KLLU series fuses meet or exceed UL requirements for
UL Class L fuses. The KLLU series offers an economical
alternative to KLPC POWR-PRO
® fuse with a slightly higher
peak let through current.
Applications
• Service switches
• Switchboard mains and feeders
• Motor control center mains
• Large motor branch circuits
• Circuit breaker protection
Features/Benefits
• Current-Limiting
• Easily coordinated with other system components
• 200 kA AC Interrupting Rating
Specifications
Voltage Ratings AC: 600 V
DC: 300 V
Interrupting Ratings AC: 200 kA
DC: 20 kA
Ampere Range 601–4000 A
Approvals Standard 248-10, Class L
UL Listed (File: E81895)
CSA Certified (File: LR29862)
DC: Littelfuse self-certified
ampere ratings
601 750 1000 1400 1800 3000
650 800 1200 1500 2000 3500
700 900 1350 1600 2500 4000
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/kllu
Dimensions
Please refer to the Class L dimensions page 2
Peak Let-Thru Curve
Note: For more information, see Peak Let-Thru Table
series amperage Catalog nUmber ordering nUmber
KLLU 601 KLLU601 KLLU601.X
Ordering Information
KLLU