Siemens FXD63B080 80A 3P 600V Circuit Breaker | AmpState

Meet reliable, practical circuit protection with the Siemens FXD63B080. This 80A, 3-pole circuit breaker is built for everyday electrical work and is ideal for panelboards, load centers, and distributed electrical systems operating up to 600V. If your project requires a consistent part number for retrofit or maintenance, this FXD63B080 delivers the dependable fit you need.

Why this breaker stands out

• Consistent part number for retrofit and service — simplify inventory and ensure reliable replacements across maintenance cycles.
• Three-pole configuration — coordinated protection across three hot conductors with a single, space-saving device.
• 80 A capacity — provides robust protection for feeders and distribution circuits while avoiding unnecessary tripping on routine startup surges.
• 600 V maximum rating — suitable for a wide range of commercial and industrial distribution applications.
• Siemens reliability — backed by a long-standing protection pedigree and available through AmpState for quick sourcing.

Ideal use cases

• Retrofit projects where maintaining the exact part number is critical for panel compatibility and warranty considerations.
• Maintenance planning for service fleets that require interchangeable breakers to minimize downtime.
• Replacement in panelboards and load centers within commercial or light-industrial facilities that run up to 600V.
• Electrical distribution work where reliable overcurrent protection helps safeguard feeders, conductors, and connected equipment.

Compatibility and practical tips

The Siemens FXD63B080 is designed for panelboards and load centers that support FXD63-type breakers. To ensure a perfect fit, consider the panel’s catalog number, bus configuration, and existing protection scheme. If you’re unsure, AmpState offers compatibility guidance—message us and we’ll help confirm fit based on your panel model and setup.

What’s included and buying with confidence

This listing features a Siemens FXD63B080 circuit breaker (80A, 3-pole, 600V). It’s ready for ordering from AmpState to support your retrofit, maintenance, or new installation needs. For best results, store breakers in their original packaging until installation and replace only with the correct part number to maintain system integrity.

Note: Always follow local electrical codes and have a qualified electrician perform panel work. Safety first, compatibility second—we’re here to help you verify fit and get the right Siemens breaker for your distribution system.