Square D | LXP36400G | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Square D LXP36400G Circuit Breaker — a 400A, 3-pole, 600V protective device engineered for maintenance, retrofit, and replacement projects where exact specifications matter. Designed to slot into compatible Square D panels, this breaker helps maintain system protection with minimal disruption to your electrical infrastructure.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage rating: 600V
• Part number: LXP36400G

Why this breaker stands out

• Exact-fit replacement for Square D panels that require the LXP36400G reference, reducing guesswork and the risk of compatibility issues.
• Three‑phase protection suitable for industrial and commercial applications where balanced three‑phase loads demand reliable interruption and clear trip signaling.
• High-capacity protection with a 400A rating, ideal for feeders, service entrances, or heavy motor loads in demanding environments.
• Streamlined sourcing for maintenance and retrofits — keeping downtime to a minimum by using a known, compatible part number.

Ideal use cases

Perfect for facilities upgrading or replacing aging protection devices, this breaker is well-suited for:

• Industrial manufacturing panels requiring a 3-pole, 400A protection scheme
• Retrofits where existing equipment calls for a 600V rated, three-phase breaker
• Maintenance cycles in commercial or light industrial electrical distributions

Installation and compatibility tips

Before ordering, confirm fit and ratings against your panel’s specifications. The LXP36400G part number is the best reference for compatibility, helping ensure a smooth replacement without surprises. As with any high‑voltage protection device, have a qualified electrician perform installation and follow all applicable electrical codes and safety practices.

With the Square D LXP36400G Circuit Breaker, you get a purpose-built, reliable solution for protecting three-phase systems at 600V, backed by a design that emphasizes precise fit and straightforward replacement in professional electrical environments.