Siemens | FJ2B200 | Circuit Breaker | 2-Pole

The Siemens FJ2B200 2-Pole Circuit Breaker is a purpose-built protection device designed for maintenance, retrofit, and replacement projects where exact specification matching matters. This part ensures reliable dual-line protection in your electrical panels, helping you restore safe operation quickly when circuits require two-pole interruption.

Ideal use cases

• Maintenance: swap in when an existing 2-pole breaker has degraded or failed, restoring consistent protection.
• Retrofit: replace or upgrade panels that require a Siemens 2-pole solution with the FJ2B200's compatible form and function.
• Replacement: convenient and dependable option for restoring multi-wire branch circuit protection in fresh installs or service upgrades.

What makes this 2-pole breaker stand out

• Two-pole design provides synchronized interruption for paired conductors, which is essential for multi-wire branch circuits and shared-neutral setups.
• Part number specificity: FJ2B200 is the most reliable reference when checking compatibility with your Siemens panel and accessories.
• Built to meet Siemens’ engineering standards, offering consistent trip characteristics and durable performance within compatible systems.

Compatibility and fit guidance

Before ordering, verify that the FJ2B200 matches the required specifications for your panel or enclosure. The part number is the best reference for compatibility, and confirming the appropriate ratings ensures safe, code-compliant operation.

What you receive

• One Siemens FJ2B200 circuit breaker (2-Pole) designed for dual-line protection in compatible panels.

Practical tips for installation and use

• Always power down the system and follow lockout/tagout procedures before replacement.
• Cross-check the panel’s rating and the circuit’s requirements to ensure a proper match with the FJ2B200.
• Keep a spare compatible Siemens breaker on hand for quick maintenance and minimize downtime.