Siemens | HMD63B800L | Circuit Breaker | 800A | 3-Pole

Engineered by Siemens, the HMD63B800L circuit breaker delivers robust high-current protection for demanding electrical installations. With an 800-amp rating and a 3-pole configuration, it safeguards large distribution panels, switchgear, and industrial equipment from overloads and short circuits. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications and dependable performance matter.

Key specifications and compatibility

• Amperage: 800A
• Poles: 3-Pole
• Reference part number: HMD63B800L — use this to confirm compatibility
• Applications: maintenance, retrofit, and replacement in industrial electrical systems
• Fit and ratings: Confirm fit and ratings before ordering to ensure seamless integration with your panel or switchgear

Why choose the Siemens HMD63B800L? Because it aligns with Siemens’ design language and system compatibility, offering predictable performance and easier serviceability in high-current environments. When you swap in this HMD63B800L, you’re choosing a direct replacement that matches the mounting footprint, electrical characteristics, and installation practices of your existing Siemens protection scheme.

Use cases

• Large-scale distribution panels in manufacturing facilities, data centers, and processing plants requiring reliable 800A protection across three poles
• Retrofit projects to modernize older equipment with a breaker that matches original specifications
• Spare or replacement inventory for service crews standardizing on Siemens components to minimize misfit risk

Practical installation and care

• Before ordering, verify panel compatibility using the exact part number HMD63B800L to ensure a seamless fit and correct ratings
• Follow Siemens installation guidelines for mounting, wiring, and safety procedures to maintain guaranteed performance
• Store spares in a controlled environment and inspect for any signs of damage prior to installation

Ready for a safe, dependable upgrade? Add the Siemens HMD63B800L 800A 3-Pole circuit breaker to your cart and keep your high-current distribution system protected.