Littelfuse KLPC900 900A Class L Time-Delay Fuse – Bolt-In – 600VAC/480VDC

The Littelfuse KLPC900 POWR-PRO™ Class L fuse is designed to provide superior overcurrent protection for high-capacity electrical distribution systems. Engineered with 99.9% pure silver links, silver-plated copper end bells, glass-reinforced melamine bodies, O-ring seals, and granular quartz fillers, it delivers exceptional reliability and performance. The KLPC series is UL Listed and offers a minimum ten-second time delay at 500% rated current while maintaining excellent current-limiting characteristics, making it ideal for industrial and commercial power distribution applications.

Voltage and Rating

• Current Rating: 900 Amps
• Voltage Rating: 600 Volts AC
• DC Voltage Rating: 480 Volts DC
• Interrupting Rating: 200 kA AC
• Interrupting Rating: 20 kA @ 480 VDC

Key Specifications

• Fuse Type: Time-Delay (Slo-Blo)
• Fuse Class: Class L
• Mounting Type: Bolt-In
• Series: KLPC POWR-PRO™
• Family Style: Powr-Pro Fuse
• Indicating: No
• Application: Industrial and Commercial Overcurrent Protection

Technical Specifications

• Opening Characteristic: Slo-Blo / Time Lag / Time Delay
• Maximum AC Voltage: 600V
• Maximum DC Voltage: 480V
• Interrupt Amperage: 200,000 Amps
• Construction: 99.9% Pure Silver Links
• End Bells: Silver-Plated Copper
• Body Material: Glass-Reinforced Melamine
• Filler Material: Granular Quartz
• Seal Type: O-Ring Sealed Construction
• Current Limiting: Yes

Product Data

• Manufacturer: Littelfuse
• Model Number: KLPC900
• Series: KLPC POWR-PRO™

Features

• Minimum 10-second time delay at 500% rated current
• High current-limiting performance for system protection
• Average peak let-through current up to 10% lower than comparable Class L fuses
• UL Listed Class L fuse
• Suitable for heavy-duty feeders and main distribution systems
• Rugged construction for high-fault environments
• Designed for long service life and reliable performance