Siemens Q315 15A 3P Circuit Breaker, Plug-On | AmpState

Engineered for dependable circuit protection, the Siemens Q315 15A 3P Plug-On Circuit Breaker delivers reliable performance in panelboards, load centers, and electrical distribution systems. This robust 3-pole device is built for everyday electrical work and excels in replacement projects, while also serving as a trusted spare to keep your BOM aligned with the original part number.

• Plug-On installation—rapid, secure connection to the panel’s bus system, reducing field wiring and downtime.
• Three-pole design—provides protection across all three legs of a 3-phase or multi-wire circuit for coordinated tripping.
• 15 A amperage—suitable for moderate-load branch circuits common in commercial and residential panels.
• Exact part number—Q315 ensures replacements match the original equipment and maintains BOM integrity.
• Compatibility focus—specifically designed for Siemens panels and distribution systems that accept plug-on breakers in the Q315 family.
• Stocking utility—a reliable spare for service fleets, maintenance closets, and project inventories to minimize downtime.
• AmpState support—available from AmpState with assistance to confirm fit and ensure a precise match to your panel model.

Ideal use scenarios include swapping aging breakers in panelboards and load centers, keeping the original BOM intact during upgrades, and ensuring quick, dependable protection for 3-phase electrical distributions. If you’re unsure about compatibility, we’re ready to help—just message us and we’ll verify the fit against your panel requirements.