Westinghouse | LB2400F | Circuit Breaker | 400A | 2-Pole | 600V

Meet the Westinghouse LB2400F Circuit Breaker—a precision protection device engineered for demanding electrical systems. This 400A, 2‑pole unit delivers reliable overcurrent protection at a 600V rating, making it a trusted choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage rating: 600V
• Part reference: LB2400F

Why the LB2400F stands out

• The LB2400F designation is the best reference for ensuring a fit that aligns with your panel and electrical system, reducing guesswork during replacements.
• Robust two‑pole design: Supports staged protection for shared circuits and main feeders, helping to safeguard both line and neutral paths in industrial or commercial panels.
• High-current capability: 400A rating makes it suitable for substantial load circuits and retrofit scenarios where existing gear requires a higher protection threshold.
• Voltage versatility: With a 600V rating, it’s compatible with a wide range of distribution panels and applications, from service entrances to industrial control rooms.

Ideal use cases

• Retrofits and replacements in commercial or light industrial electrical panels where exact LB2400F specifications are required.
• Upgrading service feeders or upgrading panel capacity while maintaining proper overcurrent protection.
• Maintenance scenarios where a like-for-like replacement minimizes downtime and preserves established wiring configurations.

What to consider before purchasing

To ensure a seamless fit, confirm that your panel’s ratings and mounting geometry align with the LB2400F specifications. The part number is your most reliable reference for compatibility, helping you avoid mismatches in bus bar alignment or terminal sizing.

Practical guidance for installation and use

• Plan replacement during a scheduled outage and verify all safety procedures with a licensed electrician.
• Inspect wiring and terminal connections for signs of wear before installation to prevent loose connections and arcing.
• Store the unit in its original packaging until installation to protect internal mechanisms from contamination and damage.

The Westinghouse LB2400F is more than a circuit breaker—it's a precise, reliable solution for maintaining the safety and performance of your electrical system. With clear compatibility reference and solid protection on tap, it’s designed to keep your panels running smoothly, even as workloads grow.