Siemens | FD63B100 | Circuit Breaker | 100A | 3-Pole | 600V

Siemens FD63B100 Circuit Breaker is a rugged, three-pole protection device designed for demanding 3‑phase applications. With a 100A rating and a 600V operating capability, it delivers dependable interruption for industrial panels, switchgear, and distribution systems where precise compatibility matters.

Why this FD63B100 is the right choice for your maintenance, retrofit, or replacement project:

• Exact compatibility you can trust: The FD63B100 part number is the most reliable reference for matching replacements in Siemens systems. Always confirm fit and ratings before ordering to ensure seamless integration.
• Three-pole protection for 3‑phase circuits: Specifically configured to safeguard three‑phase feeders and equipment, helping prevent overloads and electrical faults in motors, drives, and downstream loads.
• 600V maximum voltage: Suitable for higher‑voltage industrial environments, providing reliable performance where voltage conditions demand solid protection.
• 100A protection level: Appropriately sized to shield feeders and critical loads without unnecessary tripping in properly engineered systems.
• Versatile, enterprise-ready use cases: An ideal component for panel retrofits, equipment upgrades, spare parts inventories, and any project requiring a Siemens‑brand replacement with exact specs.

Practical guidance for real-world use:

• Check that your panel or distribution board supports 3‑pole devices and is rated for 600V before ordering.
• Keep the FD63B100 part number in your maintenance documentation to simplify future service and procurement.
• Install and service by qualified electrical professionals in accordance with local codes and standards to ensure safe, reliable operation.