Siemens Q240R 40A 2P 240V Circuit Breaker | AmpState

Siemens Q240R 40A 2P 240V circuit breaker is a reliable solution for protecting panelboards, load centers, and electrical distribution systems from overcurrent events. With a 40-amp rating and 240-volt operation, this two-pole device is a standard choice for safeguarding circuits in both residential and light commercial applications.

Why it’s especially valuable for retrofit work and maintenance planning: when your project requires stability in part numbers, the Q240R allows you to replace or upgrade components without changing the model across documentation and service calls. This consistency simplifies ordering, stocking, and future maintenance, reducing downtime and repair complexity.

• Amperage: 40 A
• Poles: 2
• Voltage: 240 V
• Manufacturer: Siemens
• Part Number: Q240R
• Application: suitable for panelboards, load centers, and electrical distribution

• Ideal for retrofit projects where maintaining exact part-number continuity is essential for documentation and future service visits
• Streamlined maintenance planning with a consistent replacement part across aging systems
• Compatibility focus designed to fit Siemens-compatible distribution setups, making it easier to match existing gear

Available from AmpState, with proactive support to help you verify fit. Need help matching a part number or confirming compatibility? Message us and we’ll assist you in confirming the correct application for your panel or distribution system.

Protect your electrical infrastructure with a trusted Siemens design—the Q240R delivers dependable overcurrent protection, predictable replacements, and a smoother path from specification to service. Add the Siemens Q240R 40A 2P 240V circuit breaker to your cart or reach out for compatibility guidance today.