Square D | LHL3640030DC1625 | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Square D LHL3640030DC1625 Circuit Breaker—a rugged, reliable protection device designed for demanding power systems. With a 400A rating, 3-pole configuration, and 600V capacity, this breaker is built to safeguard industrial and commercial electrical circuits while supporting straightforward maintenance and retrofits.

This unit is specifically intended for maintenance, retrofit, and replacement projects where exact specifications matter. The part number LHL3640030DC1625 is the clearest reference for compatibility, helping you avoid guesswork and downtime when sourcing a matching breaker for your panel.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Compatibility note: Confirm fit and ratings before ordering; part number is the best reference for compatibility

Why this Square D breaker stands out for professionals:

• Designed to align with systems that require the LHL3640030DC1625 specification, reducing installation guesswork and the need for unnecessary part exchanges.
• The 3-Pole design supports balanced protection across three-phase power, a common requirement in larger panels and industrial setups.
• Suited for higher-voltage applications typical in commercial electrical distribution, helping you maintain safe and reliable operation.

Ideal use cases include replacing a failed unit in existing Square D panels, retrofitting older equipment to maintain consistent protection, and performing scheduled maintenance where exact, compatible parts are essential. If you’re upgrading or restoring electrical infrastructure, this LHL3640030DC1625 breaker provides a dependable, industry-standard reference point to keep your system protected without unnecessary surprises.