Siemens | WB3225 | Circuit Breaker | 225A | 2-Pole | 240V

The Siemens WB3225 circuit breaker is a robust, high-capacity protection device built for demanding electrical systems. With a 225-amp rating, this 2-pole breaker delivers reliable overcurrent protection for 240-volt circuits, making it an essential component in maintenance, retrofit, and replacement projects where exact specifications matter. If you’re updating a panel or performing a like-for-like swap, the WB3225 offers a precise, dependable solution that keeps power flowing safely.

• Amperage: 225A
• Poles: 2-Pole
• Voltage: 240V
• Part number: WB3225

Compatibility and fit

This unit is intended for situations where matching specs are required. Confirm fit and ratings before ordering. The part number WB3225 is the best reference for compatibility, ensuring you get the exact breaker that aligns with your panel’s design and bus configuration.

Ideal use cases

• Replacing a failed 225A, 2-pole, 240V breaker in compatible Siemens panels
• Retrofit projects that standardize protection across an electrical system
• Maintenance replacements to minimize downtime and maintain consistent protection characteristics

Why choose the WB3225

Choosing the WB3225 means aligning with Siemens’ engineering for reliable performance under real-world loads. It’s designed to deliver consistent trip characteristics and dependable protection for high-demand circuits, reducing the risk of nuisance trips and unplanned outages when installed in the right panel.

Practical tips for installation and safety

Before installation, ensure power is fully de-energized and the circuit is labeled. Verify that the panel accepts WB-series breakers and that the bus connectors align with the WB3225’s form factor. Use proper torque on terminals and follow standard electrical safety practices to protect you and the system during installation.