Siemens | HMXD63B800H | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On

Siemens HMXD63B800H is a high-capacity, three-pole circuit breaker engineered for demanding power systems. With an 800 A rating, a 3-Pole configuration, and a 600 V maximum, it delivers dependable overcurrent protection for industrial panels, switchgear, and retrofit projects where exact specifications matter.

Designed for bolt-on mounting, this unit provides a secure, robust connection that stands up to vibration and frequent maintenance in commercial and light-industrial environments. The bolt-on design also simplifies field replacement and minimizes panel modifications, helping you reduce downtime during service or upgrades.

• Amperage: 800 A
• Poles: 3-Pole
• Voltage: 600 V
• Mounting: Bolt-On
• Part number: HMXD63B800H

Ideal for maintenance, retrofit, and replacement scenarios where compatibility is non-negotiable, the HMXD63B800H is a precise fit for panels and systems configured around Siemens’ high-current protection standard. Always confirm fit and ratings before ordering—the part number is the most reliable reference to ensure compatibility with your specific panel board.

What makes this Siemens circuit breaker stand out is its combination of robust current handling and secure mounting in a compact, three-phase package. For engineers and electricians upgrading 3-phase systems, this unit provides a direct, dependable path to maintaining power reliability while aligning with established protection practices.