Siemens | KM3F800 | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On

Engineered by Siemens, the KM3F800 circuit breaker is a rugged, bolt-on protection solution built for demanding electrical environments. With an 800A rating across three poles and a 600V operating range, this unit is designed for maintenance, retrofit, and replacement projects where exact specifications and dependable performance matter most.

• Amperage: 800A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number: KM3F800

The KM3F800 stands out in environments where panel upgrades and service-life extensions are essential. Its bolt-on design provides secure, field-serviceable mounting for reliable protection in industrial switchgear, motor control centers, and distribution panels. Because compatibility depends on exact specifications, the part number KM3F800 is the most reliable reference for matching your equipment. Always confirm fit and ratings before ordering to avoid mismatches in panel bus bars and enclosure configurations.

Why choose the Siemens KM3F800?

• Designed to align with Siemens systems and other panels that accept a 3-pole, 600V bolt-on breaker of this size.
• robust protection for high-demand circuits: 800A capacity supports significant loads while maintaining reliable interrupting and trip characteristics suited to industrial feeders and heavy motors.
• flexible retrofit and replacement: Ideal for upgrading aging equipment or replacing worn breakers in service-entrance panels, MCCs, and distribution blocks without a full panel change.

Ideal use cases include upgrading legacy switchgear in manufacturing lines, refreshing feeder protection in distribution panels, and performing retrofit projects where a precise 800A, 3-pole, 600V bolt-on solution is required. When evaluating this breaker, consider your panel’s mounting compatibility, bus bar spacing, and rated continuous current to ensure seamless integration and sustained protection over the life of the installation.

Practical tips for installation and care: power down the system, verify the panel’s voltage rating matches 600V, and follow the manufacturer’s torque and mounting guidelines for bolt-on breakers. Keep this KM3F800 reference handy for future replacements or maintenance planning, and rely on its proven Siemens engineering to deliver consistent, dependable protection for your critical electrical infrastructure.