Siemens | HMD63B700H | Circuit Breaker | 700A | 3-Pole | 600V

Siemens HMD63B700H circuit breaker delivers dependable protection for heavy-duty electrical feeds. With a 700-amp rating, three poles, and a 600-volt maximum, it's built to handle demanding loads found in industrial environments while delivering consistent, reliable performance.

Ideal for maintenance, retrofit, or replacement projects, this Siemens circuit breaker is identified by part number HMD63B700H. That exact reference is your best way to ensure compatibility with your existing panel and accessory lineup. Before ordering, explicitly confirm the fit and ratings for your specific installation to avoid delays.

Key specifications

• Amperage: 700 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Part reference: HMD63B700H

Where this breaker shines

This unit excels in protecting large feeders and distribution circuits in manufacturing lines, data center infrastructure, and other industrial settings where reliable, heavy-load protection is essential. The 3-pole design supports three-phase systems, helping safeguard against overloads with balanced protection across all phases.

Why choose Siemens for this application

• Exact reference for compatibility: Using HMD63B700H as the lookup key minimizes mismatches when upgrading or replacing components.
• Durable construction for demanding environments: Siemens engineering emphasizes consistent performance under industrial operating conditions.
• Targeted for retrofit and replacement projects: A precise fit reduces installation time and helps preserve existing panel layouts.

Practical tips for installation and use

To maximize reliability, verify the panel’s documented amperage, voltage, and three-phase configuration align with 700 A, 3-pole, 600 V ratings. Keep the part number handy for quick future replacements, and reference your panel’s labeling to confirm the breaker family and mounting method recommended by Siemens.