Siemens Q31500S01 15A 3P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Siemens Q31500S01 is a 15A, 3-pole, 240V circuit breaker designed for dependable protection in panelboards, load centers, and electrical distribution networks. Its plug-on, shunt-trip capability enables remote tripping for fast, controlled shutdowns—an essential feature for modern safety and emergency response plans.

Built with retrofit and maintenance in mind, the Q31500S01 offers a consistent part number for easier stocking and ordering, helping technicians avoid compatibility conflicts during upgrades or repairs. This makes it an ideal choice when the part number must remain constant across existing installations.

Key features

• Plug-on mounting for quick installation and reliable electrical connection
• Shunt-trip capability for remote triggering and enhanced safety control
• Three-pole protection at 240V, rated for 15A in distribution systems
• Precisely matched to Siemens panelboards and load centers, streamlining retrofits
• Part Number: Q31500S01, manufactured by Siemens

Technical specifications

• Amperage: 15 A
• Poles: 3
• Voltage: 240 V
• Product Type: Circuit Breaker
• Mounting: Plug-On
• Manufacturer: Siemens
• Part Number: Q31500S01

Who is this product for?

Ideal for electrical contractors, facilities managers, and maintenance teams who manage panelboards, load centers, and distribution systems. If you’re performing retrofit work, replacing worn breakers, or planning maintenance while keeping the same part numbers for inventory consistency, this Siemens breaker is a reliable, future-proof choice.

Why choose the Siemens Q31500S01

Beyond basic protection, this unit’s shunt-trip capability provides an additional safety layer for environments where remote shutdowns are necessary—such as facilities with centralized safety systems or areas requiring rapid disconnection during emergencies. Its plug-on design simplifies field installation, reducing downtime and ensuring solid electrical connections in demanding distribution setups.

Practical tips and considerations

• Confirm compatibility with your current Siemens panelboards or load centers using the 3-pole, 240V, 15A specification and the Q31500S01 part number
• Use in retrofit projects to maintain a consistent part number across replacements, simplifying ordering and maintenance records
• Plan for remote control wiring of the shunt-trip circuit in accordance with applicable electrical codes and safety requirements
• Keep spare plug-on shunt-trip breakers on hand for faster maintenance and reduced downtime

Available from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.