Siemens Q115 15A 1P 120V Circuit Breaker, Plug-On | AmpState

Meet the Siemens Q115 15A 1P 120V Plug-On Circuit Breaker — a dependable, plug-on protection device built for everyday electrical work in panelboards, load centers, and electrical distribution systems. Designed to snap onto the bus with ease, it delivers fast, secure circuit protection that keeps wiring safe and systems running smoothly.

Key specifications

• Amperage: 15 A
• Poles: 1 Pole
• Voltage: 120V
• Type: Plug-On Circuit Breaker
• Manufacturer: Siemens
• Part Number: Q115

The Q115 shines in retrofit projects and maintenance planning where keeping the original part number matters. Its plug-on design simplifies replacements, reducing downtime and ensuring consistent protection across your system. Whether you’re upgrading an aging panel or stocking a service truck for routine servicing, this breaker fits the workflow you rely on.

What makes the Q115 unique

• Plug-On convenience: Quick installation onto the bus bar minimizes service time and speeds up repairs.
• Part-number consistency: Ideal for retrofit work where the exact model must match existing inventory or documentation.
• Versatile protection: Suitable for 120V circuits in residential panelboards, commercial load centers, and distributed electrical systems.
• Reliable Siemens engineering: Built to endure routine use in everyday electrical distribution tasks.

Who should consider the Q115? Electricians, facilities managers, and DIY enthusiasts tackling panel maintenance or retrofit projects where a 15A, 1P 120V plug-on breaker is the right fit. It’s a practical choice for lighting circuits, outlets, and general-purpose branches within standard 120V electrical distributions.

Need help confirming compatibility or matching a part number? AmpState is ready to assist—reach out and we’ll help verify fit to ensure a seamless replacement that aligns with your existing equipment and documentation.