LB2400WK | Circuit Breaker | 400A | 2-Pole | 600V

Meet the LB2400WK, a purpose-built industrial circuit breaker designed for reliability in demanding electrical environments. Engineered for maintenance, retrofit, and replacement projects where exact specs matter, this device delivers dependable overcurrent protection for high-load circuits and essential equipment.

Key Specifications

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V

Important note: Confirm fit and ratings before ordering. The part number LB2400WK is the best reference for compatibility, ensuring the correct trip characteristics and wiring configuration for your panel.

Who is this for?

• Facilities teams performing ongoing maintenance on 600V electrical systems.
• Retrofit projects upgrading or replacing aging protection devices in industrial equipment.
• Contractors and electricians tasked with sourcing exact-spec components to minimize downtime.

Why the LB2400WK Stands Out

• Precise compatibility guaranteed by the industry-standard LB2400WK part number, reducing guesswork in replacements.
• High-capacity protection with 400A ratings supports demanding loads without compromising safety.
• 600V suitability designed for industrial environments where higher voltage protection is essential.
• Two-pole design delivers balanced protection for multi-conductor circuits, helping to isolate faults quickly and safely.

Practical applications and use cases

• Replacing failed breakers in legacy panels where the LB2400WK matches the original specifications.
• retrofit projects that require upgrading protection without altering panel enclosures or bus assemblies.
• New installations in facilities with 600V distribution networks that demand robust, reliable protection at 400A.

How this solution helps you avoid downtime

By ensuring exact spec alignment and dependable tripping behavior, the LB2400WK minimizes risk for unplanned outages. Its proven performance supports continuous operation of critical machinery, HVAC systems, and manufacturing lines, giving maintenance teams confidence during repairs or upgrades.

Shopping guidance

• Always verify fit and ratings prior to purchase using the LB2400WK part number as your reference.
• Check panel documentation to confirm 2-Pole configuration and 600V rating align with your installation.
• Prepare a spare on-site to ensure rapid replacement if a fault occurs, keeping production lines running with minimal interruption.