KLPC1200X, Time Delay Fuse – Electrical Distributor Lighting Solutions

The KLPC1200X Time Delay Fuse by Littelfuse is a high-performance, UL-listed Class L fuse designed for overcurrent protection in electrical circuits up to 1200 amperes. It is widely used in switchgear, lighting solutions, and wire and cable applications where reliable time-delay and current limiting protection are critical. This fuse provides superior interruption capabilities with a minimum ten-second time delay at 500% rated current, making it ideal for protecting sensitive electrical equipment from transient surges and overloads.

Specifications

• Manufacturer: Littelfuse
• Manufacturer Part Number: KLPC1200X
• Current Rating: 1200 amperes
• Voltage Rating: 600 VAC or less
• Fuse Type: Class L, Time Delay, Current Limiting
• Length: 10-3/4 inches
• Diameter: 2-1/2 inches
• Product Weight: 4.04 lbs
• Material Construction: 99.9% pure silver links, silver plated copper end bells, glass reinforced melamine body
• Sealing: O-ring seals between body and end bells with granular quartz fillers
• UL Listed: Yes, Class L fuse with 200-6000 amp range in KLPC series

Features

• Time delay performance with minimum 10 seconds delay at 500% rated current
• High interrupting rating suitable for industrial and commercial electrical distribution
• Current limiting design reduces let-through current peaks by approximately 10% compared to other time-delay Class L fuses
• Specification-grade construction ensures consistent, reliable operation under harsh electrical conditions
• Ideal for use in switchgear assemblies, lighting solutions, and wire and cable protection
• Glass reinforced melamine body enhances mechanical strength and thermal resistance
• O-ring seal and quartz filler improve arc quenching and fuse longevity

Downloads and Links

• Littelfuse KLPC Fuse Series Specification Sheet (PDF)