Siemens | FXD63B080L | Circuit Breaker | 80A | 3-Pole | 600V | Bolt-On

Elevate the reliability of your electrical distribution with the Siemens FXD63B080L. This 80A, 3-Pole, 600V bolt-on circuit breaker is crafted for maintenance, retrofit, and replacement projects where exact compatibility matters. When you need dependable protection that aligns with Siemens panels, the FXD63B080L delivers clear, hands-on performance and a straightforward service experience.

Fast, secure bolt-on installation

The bolt-on mounting of the FXD63B080L provides sturdy, vibration-resistant installation that simplifies field replacements. With a 3-pole configuration, it ensures simultaneous interruption across all three conductors for robust safety and consistent system protection in three-phase networks.

Key specifications at a glance

• Amperage: 80 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Mounting: Bolt-On
• Part number: FXD63B080L

What makes this breaker unique

Designed specifically to match Siemens protection schemes, the FXD63B080L goes beyond generic breakers by delivering precise compatibility with Siemens panels and downstream protection coordination. Its 600V rating supports industrial and commercial power distributions, while the 80A rating handles substantial load demands without compromising safety or performance.

Ideal use cases

• Maintenance: reliable replacement for worn or failed breakers in existing Siemens installations.
• Retrofit: upgrade older panels to Siemens-standard protection with a like-for-like specification.
• Replacement: keep a ready spare for critical 3-phase 600V circuits in facilities with tight uptime requirements.

Why choose this over alternatives

Choosing the FXD63B080L means selecting a breaker purpose-built for Siemens ecosystems, reducing the risk of fitment issues and protection gaps. Its bolt-on design streamlines installation in compatible panels, helping technicians complete replacements quickly and with confidence, while preserving the integrity of three-phase protection coordination.

Practical guidance and notes

• Confirm fit and ratings before ordering. The part number FXD63B080L is the best reference for compatibility.
• Keep this unit as a dedicated spare for fast response in facilities running 600V, three-phase systems.
• When replacing, follow your panel manufacturer’s installation guidelines to ensure proper seating and secure connections.