Siemens | B250R00S01 | Circuit Breaker | 50A | 2-Pole | 240V

The Siemens B250R00S01 circuit breaker delivers dependable overcurrent protection for 240V circuits in residential and light commercial settings. With a 50A rating and 2-pole design, it safely interrupts both hot legs to guard wiring and connected equipment from overloads. This model is ideal for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring you get the right fit the first time.

Key specifications

• Amperage: 50A
• Poles: 2-Pole
• Voltage: 240V
• Part number: B250R00S01

Why this Siemens circuit breaker stands out

Designed for precise compatibility, the B250R00S01 uses Siemens’s proven protection technology to reliably shut down 240V circuits when current exceeds the rated threshold. Its two-pole configuration ensures both live lines are protected together, reducing the risk of uneven load conditions. The part number B250R00S01 is the most reliable reference for confirming fit, making it the smart choice for panel retrofits and spare-part inventories.

Practical use cases

• Protect 240V loads such as air conditioning units, water heaters, and other high-draw appliances.
• Ideal for retrofit projects where existing panels require a precise 50A, 2-pole replacement.
• Useful as a maintenance stock item to reduce downtime during electrical service work.
• Suitable for EV charging circuits and workshop equipment that run on 240V with a 50A protection need.

Compatibility and installation guidance

Before purchasing, verify that B250R00S01 matches your panel’s ratings and labeling. The part number is your best compatibility reference, helping you avoid mismatched breakers and unnecessary delays. When installing, ensure the enclosure and bus connection are clean and free of corrosion, and follow standard safety procedures for servicing energized panels.

Siemens B250R00S01 provides clear, reliable protection for your 50A, 240V circuits. If you’re upgrading an older panel or replacing a failed unit, this 2-Pole breaker is engineered to fit the job and keep your electrical system safe and compliant.