LAB3400WK | Circuit Breaker | 400A | 3-Pole | 600V

The LAB3400WK circuit breaker is an industrial-grade protection device designed to safeguard three-phase power systems up to 600V while handling substantial load with a 400A rating. Built for maintenance, retrofit, and replacement projects, this breaker helps keep critical equipment online and distributed power cleanly protected.

Key specifications at a glance

• Amperage: 400A
• Poles: 3-Pole (three-phase)
• Voltage rating: 600V
• Reference: Part number LAB3400WK for compatibility

Why the LAB3400WK stands out

When your goal is reliable protection in demanding industrial environments, the LAB3400WK delivers a precise fit for your existing switchgear. Its 3-Pole design supports balanced three-phase protection, making it ideal for large motors, drives, and other high-current loads. With a clear focus on retrofit and replacement work, this breaker minimizes installation hassles and helps you maintain consistent electrical protection without unnecessary modification.

Use cases you can count on

• Maintenance in active facilities where downtime is costly and quick replacement is essential
• Retrofit projects updating legacy panels to modern, high-current protection standards
• Replacement for aging or failed breakers in 600V, three-phase distributions

Fit, compatibility, and practical considerations

Always confirm fit and ratings before ordering. The LAB3400WK part number is the most reliable reference for ensuring compatibility with your panel and electrical architecture. Before installation, verify that your equipment operates within a 600V, 400A, three-phase environment and that the physical mounting and bus-bar configuration match the breaker’s form factor.

Tips for best results

• Plan replacements during scheduled maintenance windows to minimize disruption
• Keep a spare LAB3400WK on hand for rapid swap-outs in critical lines
• Ensure proper electrical torque and mounting practices per your facility’s standards (electrical safety first)

For projects requiring precise three-phase protection with robust current handling, the LAB3400WK circuit breaker is your reliable choice. Reference this part number to verify compatibility and streamline ordering, maintenance, and future replacements in 600V, 400A, 3-Pole configurations.