Siemens | HMD63B800H | Circuit Breaker | 3-Pole

Siemens HMD63B800H is a dedicated three-pole circuit breaker built for dependable protection in your electrical distribution system. Designed specifically for maintenance, retrofit, and replacement projects where exact specifications matter, this device delivers consistent performance within Siemens-compatible installations.

Why this 3-Pole breaker stands out:

• Three-phase protection. The 3-Pole configuration ensures synchronized protection across all three phases, which is essential for motor loads, drives, and other three-phase equipment.
• Precise compatibility. The part number HMD63B800H is the most reliable reference for matching this breaker to your Siemens panel or system—minimizing guesswork and misfits.
• Ideal for maintenance, retrofit, and replacement. When you need to refresh aging breakers, upgrade a panel, or replace a worn unit, this part provides a compatible, reliable solution that keeps your system aligned with its original specifications.
• Clear compatibility guidance. Before ordering, verify the fit and ratings align with your panel’s requirements; the part number is the best reference to ensure a proper match with your Siemens equipment.

Applications and practical use

This Siemens breaker is well-suited for three-phase distribution in commercial or industrial environments. Use it in panel boards and distribution panels where exact Siemens compatibility is required, especially during:

• Routine maintenance to replace aging or worn breakers and preserve protective characteristics.
• Retrofit projects where upgrading components must preserve system geometry and electrical behavior.
• Replacement scenarios where an exact part number is necessary to maintain warranty terms and seamless integration with existing Siemens hardware.

Specifications at a glance

• Brand: Siemens
• Part number: HMD63B800H
• Poles: 3-Pole
• Recommended use: Maintenance, retrofit, and replacement with matching specs

Note: Confirm fit and ratings before ordering. The part number HMD63B800H is the most reliable reference to ensure compatibility with your Siemens system, reducing guesswork and ensuring consistent electrical protection for your three-phase setup.