Siemens | SCMD69800AG | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On

Siemens SCMD69800AG is a rugged, high-current circuit breaker designed for demanding electrical environments where reliability and fast, secure protection matter. Built to safeguard large three-phase circuits, this 800A, 3-pole unit is ready for maintenance, retrofit, and replacement projects that require precise compatibility and robust performance at 600V. When you need a dependable bolt-on breaker that can stand up to heavy workloads, the SCMD69800AG delivers.

Key specifications

• Amperage: 800 A
• Poles: 3-Pole (three-phase protection)
• Voltage rating: 600 V
• Mounting: Bolt-On
• Part number: SCMD69800AG

Why choose the Siemens SCMD69800AG

Designed by Siemens, this circuit breaker combines precise electrical protection with straightforward, secure installation. The bolt-on mounting simplifies field replacement and retrofits, enabling quicker turnaround in maintenance windows and minimizing downtime. The 3-pole configuration provides balanced protection across all three phases, helping to prevent uneven fault currents that can damage equipment and increase repair costs. With Siemens engineering behind it, you gain consistency, compatibility, and long-term reliability in critical power systems.

Fit, compatibility, and installation considerations

• Always confirm fit and ratings before ordering. The part number SCMD69800AG is the most reliable reference for compatibility.
• Designed for bolt-on mounting—ensure your panel or enclosure supports bolt-on breakers of this size and configuration.
• Verify that the system operating voltage and current requirements align with a 600 V, 800 A, 3-pole protection device.
• Follow all safety procedures during installation, including lockout/tagout and adherence to your panel’s installation manual for wiring, clearance, and torque guidance.

Ideal use cases

• Maintenance and service replacements in existing Siemens installations where exact compatibility is essential.
• Retrofit projects that upgrade protection for large motors, feeders, or multi‑branch circuits requiring 800A capacity.
• Spare-part readiness for critical power systems to reduce downtime during a failure or scheduled maintenance.

Performance and practical insights

Choosing the SCMD69800AG means opting for a proven solution that aligns with Siemens’ design standards and your three-phase power protection strategy. Expect dependable interrupting capability and consistent trip characteristics across environmental variations, with the bolt-on form factor facilitating faster field replacements. To maximize reliability, pair this breaker with matching Siemens panels and follow manufacturer guidelines for installation and periodic inspection.