Littelfuse LDC1400 1400A Class L Fast-Acting Fuse – Bolt-In – 600VAC/DC

The Littelfuse LDC1400 POWR-PRO® Class L fuse is a fast-acting, high-performance fuse designed for both AC and DC protection in heavy-duty electrical systems. As part of the LDC series, it is the first UL Listed Class L fuse rated for 600V AC and DC, helping eliminate the risk of incorrect fuse substitution between AC-only and DC-rated devices. It is suitable for demanding applications such as crane rail systems, mass transit infrastructure, and industrial power distribution.

Voltage and Rating

• Current Rating: 1400 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 and transportation power systems

Technical Specifications

• Opening Characteristic: Fast-Acting
• Current Limiting: Yes
• Interrupt Amperage: 200,000 Amps
• DC Capability: Tested for extended time constants in high-demand applications
• Construction: Heavy-duty industrial fuse design for dual AC/DC use
• Safety Feature: Prevents AC-only fuse misuse in DC circuits

Product Data

• Manufacturer: Littelfuse
• Model Number: LDC1400
• Series: LDC POWR-PRO®

Features

• First UL Listed 600V AC/DC Class L fuse design
• High interrupting capacity for severe fault conditions
• Suitable for crane rail, transit, and heavy industrial systems
• Extremely current-limiting for equipment protection
• Reliable performance under both AC and DC fault conditions

Returns are easy

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

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