Siemens | MXD63H800L | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On

Siemens MXD63H800L circuit breaker delivers dependable, high‑current protection for serious industrial power systems. Built for maintenance, retrofit, and replacement tasks where exact specifications matter, this 3‑pole, 800A, 600V, bolt‑on unit is designed to integrate with Siemens gear and keep critical processes online. Use the part number MXD63H800L as your best reference for compatibility.

Key specifications

• Amperage: 800 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Mounting: Bolt‑On

Why this matters

In demanding industrial environments, having a circuit breaker that exactly matches your existing panel geometry and electrical characteristics minimizes installation risk and downtime. The MXD63H800L’s bolt‑on design provides secure, robust mounting, while its 800A rating supports substantial feeders and equipment protection in a three‑phase system. Choosing a Siemens device that aligns with your current switchgear helps ensure consistent protection performance and simplifies future serviceability.

Ideal use cases

• Retrofit or upgrade of 3‑phase 600V switchgear and distribution panels to accommodate higher loads
• Replacement during routine maintenance or asset modernization while preserving system integrity
• New installations in industrial facilities where Siemens specifications are mandated

Compatibility and purchasing guidance

Confirm fit and ratings before ordering. The MXD63H800L part number is the most reliable reference for compatibility with your equipment. If your project calls for a bolt‑on circuit breaker with a 600V rating and 800A capacity in a 3‑pole configuration, this Siemens unit is crafted to align with the corresponding breaker panel families and mounting provisions.

Real‑world value

Beyond specifications, this breaker streamlines maintenance cycles and reduces downtime during swaps because it’s a designed‑for‑purpose Siemens solution. It helps maintain consistent protection characteristics across retrofits and replacements, supporting safer, more reliable operation of heavy electrical systems.