Siemens | SHLD69400NT | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Siemens SHLD69400NT — a robust 400A, 3-pole circuit breaker designed for demanding commercial and industrial electrical environments. Built to protect high-current, three-phase systems, this 600V-rated breaker is ideal for maintenance, retrofit, and replacement projects where exact specifications matter.

• Current rating: 400A, providing reliable protection for heavy-load circuits and motors in industrial panels.
• Configuration: 3-pole design tailored for three-phase distribution, ensuring coordinated protection across all phases.
• Voltage rating: 600V, suitable for mid- to high-voltage distribution environments common in commercial facilities and industrial setups.
• Application fit: Specifically useful for maintenance tasks, panel retrofits, and replacement installations where you must match exact specs for compatibility.
• Identification and compatibility: The part number SHLD69400NT is your most reliable reference when verifying fit with Siemens panels and compatible enclosure systems.

Why choose the Siemens SHLD69400NT for your project? It delivers precise, predictable protection for three-phase circuits, reducing the risk of electrical faults that can lead to equipment downtime. By matching the 400A rating and 600V capability, you can confidently upgrade or replace aging breakers without compromising performance or safety.

Ideal use scenarios

• Upgrading a distribution panel that serves heavy machinery, pumps, fans, or HVAC equipment in industrial or large commercial facilities.
• Retrofit projects where exact trip characteristics and physical fit are essential for seamless panel modifications.
• Replacement of existing Siemens or compatible breakers when maintaining system continuity and standardization.

Practical installation and compatibility tips

Before ordering, confirm fit and ratings to ensure seamless integration with your current panel lineup. Use the SHLD69400NT part number as the definitive reference for compatibility with Siemens panels and verified third-party enclosures. If you’re unsure about bus configuration or mounting footprint, consult your panel documentation or a qualified electrician to avoid mismatches.

With the Siemens SHLD69400NT, you’re choosing a trusted, high-current circuit protection solution designed to keep demanding electrical systems running smoothly, safely, and with precision. This is the right choice for professionals who value exact specifications, reliable performance, and straightforward compatibility in 3-phase, 600V environments.