Siemens | HMXD63F800H | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On

Meet the Siemens HMXD63F800H, a high-capacity circuit breaker engineered for demanding electrical environments. With an 800A rating, 3-pole configuration, and a 600V rating, this bolt-on breaker is built for reliable protection in multi‑phase systems and retrofit projects where exact specifications matter.

• Amperage: 800A
• Poles: 3-Pole
• Voltage rating: 600V
• Mounting: Bolt-On
• Part number: HMXD63F800H
• Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Why this Siemens breaker stands out

Designed for maintenance, retrofit, and replacement scenarios, the HMXD63F800H delivers robust three‑phase protection in a compact bolt-on form. The 3‑pole configuration ensures synchronized interruption across all phases, helping to prevent unbalanced loads and equipment damage in high‑current applications. The bolt‑on mounting simplifies field installation and service, enabling quicker swaps in compatible enclosures without extensive rewiring.

Ideal uses and who benefits

• Industrial facilities and manufacturing lines with heavy motor or drive loads that demand reliable 800A protection.
• Retrofit projects where exact Siemens specifications are required to maintain system reliability and safety.
• Replacement in service panels that rely on bolt-on, three-phase protection for continued uptime.

Practical considerations for installation and compatibility

Before purchasing, verify that your enclosure or panel supports the HMXD63F800H’s bolt-on mounting and 600V, 3‑pole configuration. Rely on the part number as the most accurate compatibility reference to ensure seamless replacement or upgrade. This approach helps minimize downtime and ensures continuity of protection across your electrical distribution system.