Littelfuse LDC1000 1000A Class L Fast-Acting Fuse – Bolt-In – 600VAC/DC

The Littelfuse LDC1000 POWR-PRO® Class L fuse is a high-performance, fast-acting fuse designed for both AC and DC protection. It is the first UL Listed Class L fuse rated for 600V AC and DC, providing flexible application use and eliminating the risk of incorrect fuse substitution between AC-only and DC circuits. Its robust design makes it especially suitable for demanding applications such as crane rail systems, mass transit infrastructure, and industrial power distribution.

Voltage and Rating

• Current Rating: 1000 Amps
• Voltage Rating: 600 Volts AC
• DC Voltage Rating: 600 Volts DC
• Interrupting Rating: 200 kA at 600 VAC
• Interrupting Rating: 50 kA at 600 VDC

Key Specifications

• Fuse Type: Fast-Acting
• Fuse Class: Class L
• Mounting Type: Bolt-In
• Series: LDC POWR-PRO®
• Family Style: Powr-Pro Fuse
• Application: AC/DC industrial power protection

Technical Specifications

• Opening Characteristic: Fast-Acting
• Current Limiting: Yes
• Interrupt Amperage: 200,000 Amps
• DC Time Constant Capability: Tested for extended time constants (special applications such as rail systems)
• Construction: Industrial-grade high-performance fuse design
• Safety Feature: Eliminates AC-only fuse misuse in DC circuits

Product Data

• Manufacturer: Littelfuse
• Model Number: LDC1000
• Series: LDC POWR-PRO®

Features

• First UL Listed 600V AC/DC Class L fuse
• Suitable for both AC and DC systems without substitution risk
• High interrupting capability for demanding industrial environments
• Designed for specialized applications such as transit and crane systems
• Extremely current-limiting for improved equipment protection
• Reliable performance under high fault current conditions

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.