Siemens | SLD69400G | Circuit Breaker | 400A | 3-Pole | 600V

Meet the Siemens SLD69400G circuit breaker—a robust, precision-engineered solution built for maintenance, retrofit, and replacement projects where exact specifications matter. With a 400A rating, a 3-pole configuration, and a 600V operating envelope, this breaker is designed to protect high-demand electrical circuits in commercial and industrial environments while aligning with existing panel architectures.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Part number: SLD69400G

Important note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility with your panel and system.

Why choose the Siemens SLD69400G

This breaker combines Siemens’ engineering precision with a straightforward, swap-in design that simplifies retrofits and replacements. By matching 400A, 3-pole, and 600V specs, it ensures reliable overcurrent protection for demanding loads while minimizing downtime during installation. It’s a practical choice for electricians and facilities teams managing aging infrastructure or upgrading to higher-capacity protection without overhauling entire panels.

Ideal use cases

• Retrofit projects in existing electrical panels where exact specifications are required to maintain system protection ratings.
• Replacement of worn or obsolete breakers in commercial or light industrial settings.
• Maintenance cycles that demand quick, compatible upgrades to maintain uninterrupted service.

Who should consider this part

• Professional electricians performing panel upgrades or equipment replacements.
• Facilities managers overseeing large facilities with 600V electrical systems and heavy-load circuits.
• Maintenance teams that prioritize compatibility and reliability in spare parts inventory.

When ordering, rely on the SLD69400G as a dependable reference point for compatibility. If you’re matching a Siemens breaker to an existing installation, this part number is your most reliable guide to ensure seamless integration and continued protection of critical equipment.