Siemens FXD63B200 - 200 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Siemens FXD63B200 is a 3-pole bolt-on molded case circuit breaker rated for 200A and 600V, designed to deliver dependable branch circuit protection in panelboards and load centers. Built to withstand real-world service conditions, it provides robust overcurrent and short-circuit protection where it matters most.

• Bolt-on mounting delivers a rigid, vibration-resistant bus connection, maintaining a secure electrical path even in environments with heavy equipment or mechanical motion.
• Thermal-magnetic trip unit offers stable, repeatable protection across varying loads and temperatures, providing precise response to overloads and short circuits.
• 3-pole design ensures reliable protection for three-phase power distribution, with simultaneous isolation of all conductors.
• OEM-load center compatibility and seamless integration with matching Siemens panelboards and load centers simplify installation and future replacements.
• Versatile application—well suited for residential, commercial, and light industrial environments, including panel upgrades, subpanels, and feeder protection.

Key specifications at a glance

• Manufacturer: Siemens
• Part number: FXD63B200
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 200A
• Voltage rating: 600V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker helps you

When you need dependable protection in a panel that’s built to last, the FXD63B200 delivers. The secure bolt-on mounting minimizes connection looseness in vibration-prone installations, while the thermal-magnetic trip unit provides predictable response to overcurrent events. Its 3-pole design is ideal for three-phase systems, helping prevent uneven loading and accidental phase loss. By choosing a breaker designed to pair with Siemens OEM panelboards and load centers, you reduceinstallation hassles and maintain verified compatibility across your distribution infrastructure.

Practical use cases

Consider the FXD63B200 for:

• Upgrading residential, commercial, or light industrial panels to provide strong, reliable branch-circuit protection.
• Installing in service entrances or subpanels where a secure, vibration-resistant connection is essential.
• Replacing aging or undersized breakers in Siemens panelboards with a unit that matches the original design and performance characteristics.

Tip: When installing, follow your panelboard’s torque specifications for bolt-on breakers to ensure the most reliable electrical connection and long-term performance.