Siemens | B290R00S01 | Circuit Breaker | 90A | 2-Pole | 240V

Siemens B290R00S01 circuit breaker delivers reliable overcurrent protection for 240V circuits with a precise 90A capacity. Featuring a 2-pole design, this unit is engineered for maintenance, retrofit, and replacement projects where exact specifications matter. Identified by the part number B290R00S01, it’s the reliable reference point for compatibility in Siemens panels and compatible systems.

Key specifications

• Amperage: 90A
• Poles: 2-Pole
• Voltage: 240V
• Part number: B290R00S01
• Applications: maintenance, retrofit, replacement where matching specs are required

What makes it unique

This Siemens breaker is not a generic add-on; it’s purpose-built to match the exact electrical characteristics of many Siemens panels. By prioritizing a precise 90A, 2-pole, 240V configuration, it ensures proper trip performance, secure terminations, and consistent protection for multi-wire branch circuits. The dedicated part number B290R00S01 serves as the best reference for compatibility, helping you avoid mismatches that can lead to nuisance trips or improper protection.

Ideal use cases

• Upgrading or replacing aging or failing 90A, 2-pole 240V breakers in existing Siemens panels
• Retrofit projects where existing hardware requires exact 90A, 2-pole, 240V specifications
• Maintenance replacements to maintain original system protection characteristics

Compatibility and fit guidance

Before ordering, verify fit and ratings using the part number B290R00S01 as your primary reference. Confirm that your panel accepts a 90A, 2-pole, 240V breaker with the same bus connection type and listing. If in doubt, cross-check the panel’s labeling and manufacturer listings to ensure seamless integration and uninterrupted protection.

Installation and safety tips

Follow standard electrical safety practices: shut off power at the main, use appropriate tools, and adhere to panel-specific torque and termination guidelines. If you’re not experienced with panel replacements, consider engaging a licensed electrician to ensure proper installation and compliance with local codes.

Ready for an exact, reliable swap in your Siemens setup? Add the Siemens B290R00S01 circuit breaker to your cart and restore precise protection for 240V circuits today.