Siemens Q34000S07 40A 3P 240V Circuit Breaker, Shunt Trip | AmpState

Siemens Q34000S07 is a robust 3-pole, 40A, 240V circuit breaker engineered for dependable overcurrent protection in panelboards, load centers, and electrical distribution setups. The built-in shunt trip functionality adds a remote emergency shutdown option, delivering an extra layer of safety for controlled shutdowns in critical systems. This model shines in retrofit projects where maintaining a consistent part number is essential for smooth maintenance planning and minimal downtime. With AmpState carrying this part, you can secure a reliable supply that fits into ongoing service workflows without the procurement guesswork. Key features that make this breaker stand out: - 3-pole configuration for three-phase 240V circuits, providing balanced protection across phases - 40 A rating tailored for a range of motor, lighting, and general distribution applications - Shunt-trip capability for remote tripping control, enabling fast, centralized emergency response - Siemens engineering and build quality designed for durable performance in everyday electrical distribution - Part number continuity that simplifies retrofits and long-term maintenance planning Ideal use cases and scenarios: - Retrofit projects in commercial or industrial facilities where keeping the same part number streamlines parts inventories and service records - Systems requiring remote shutdown capability to quickly deactivate power in emergencies or for controlled maintenance - Panelboard and load-center applications needing reliable, standardized protection on 3-phase networks Who this is for: - Electrical contractors handling retrofit installations or replacements in existing panels - Facilities managers and maintenance teams seeking predictable spare parts with stable identifiers - Systems designers prioritizing safety features like remote tripping in 3-phase electrical distributions Technical specifications at a glance: - Amperage: 40 A - Poles: 3 - Voltage: 240V - Type: Circuit Breaker - Shunt Trip: Included - Manufacturer: Siemens - Part Number: Q34000S07 - Availability: AmpState Compatibility and fit: - Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.