Siemens Q2040 40A 2P 120V Circuit Breaker | AmpState

Built for everyday electrical work, the Siemens Q2040 is a 2-pole, 40 A circuit breaker designed to protect circuits in panelboards, load centers, and general electrical distribution systems. This reliable Siemens device delivers predictable, on-demand tripping to help keep equipment and spaces safe.

• Brand: Siemens
• Part Number: Q2040
• Product Type: Circuit Breaker
• Amperage: 40 A
• Poles: 2
• Voltage: 120V
• Applications: Panelboards, load centers, and electrical distribution
• Availability: AmpState

This model matters when you need a direct part-number match that fits seamlessly into your existing Siemens infrastructure. The Q2040 is purpose-built to integrate with Siemens panelboards and load centers, minimizing guesswork during replacements or panel builds and helping maintain consistent protective ratings across your electrical distribution network.

• Maintenance teams sourcing exact replacements to keep service panels up and running
• Panel builders needing reliable, 2-pole protection for 120V circuits
• Spare inventory that reduces project downtime by ensuring fast, compatible part substitutions

AmpState support: Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. Available from AmpState, the Siemens Q2040 is ready to ship and integrate into your electrical protection plan.

Secure your distribution protection with a trusted Siemens Q2040 40A 2P 120V circuit breaker—add it to your order today and keep your panel systems protected with precision.