Siemens FXD63B100 100A 3P 600V Circuit Breaker, Bolt-On | AmpState

The Siemens FXD63B100 is a 100 A, 3-pole bolt-on circuit breaker crafted for reliable protection in panelboards, load centers, and electrical distribution arrays. Designed for direct part-number fidelity, this breaker is a smart choice for teams that value precise compatibility and quick replacement in the field.

• Amperage: 100 A
• Poles: 3
• Voltage rating: 600 V
• Mounting type: Bolt-On
• Part number: FXD63B100
• Manufacturer: Siemens
• Typical applications: Panelboards, load centers, and electrical distribution setups that require solid, three-phase protection

Why choose a bolt-on design? The bolt-on mounting delivers a secure, vibration-resistant connection in compatible enclosures, making it ideal for installations where reliability and serviceability matter. The FXD63B100 is purpose-built for environments that rely on a precise part-number match, reducing installation guesswork and streamlining maintenance inventories.

Ideal for:

• Maintenance teams and service fleets that need ready-to-install, exact-match breakers
• Panel builders assembling multi-panel electrical distribution systems
• Spare inventory with a clearly identifiable Siemens FXD63B100 part number for rapid replacements

Compatibility and fit are straightforward with AmpState’s listing. If you’re verifying part numbers or confirming that FXD63B100 is the right fit for a specific panel or load center, you can rely on guidance from AmpState to confirm compatibility and ensure a seamless replacement.

Practical tips for best results:

• Cross-check your panel’s model and rating to ensure a 3-pole, 600 V, 100 A bolt-on breaker is supported.
• Label the replacement correctly in your panel schedule to prevent confusion during future maintenance.
• Store spare FXD63B100 breakers in a dry, labeled location to preserve performance and ease of access.

With the Siemens FXD63B100, you’re securing a purpose-built, reliable solution for protecting circuits in demanding electrical distributions. Available from AmpState, it’s designed to meet the needs of professionals who require an exact part-number match and dependable, field-ready performance.