Siemens Q120H 20A 1P 120V Circuit Breaker, Plug-On | AmpState

The Siemens Q120H 20A 1P 120V Plug-On Circuit Breaker is a precise, model-consistent protection device designed for panelboards, load centers, and electrical distribution systems. If you’re performing a replacement project or stocking spares, this unit helps you keep your bill of materials aligned to the original part number while delivering reliable circuit protection.

• Plug-On simplicity — straightforward seating onto the bus and a secure, reliable connection that supports quick field replacements.
• Exact specifications — 20 A capacity, 1-pole, 120V operation, built to match Siemens equipment for dependable performance in standard residential and commercial setups.
• BOM-aligned replacement — ideal for projects that require direct part-number compatibility, minimizing mismatch risk when restoring original wiring configurations.
• Versatile compatibility — suitable for use in panelboards, load centers, and distributed electrical systems where Siemens Q-series protection is specified.
• AmpState support — assistance available to confirm fit and compatibility, ensuring you get the exact product you need.

Why this matters — choosing the Q120H means you’re selecting a breaker designed to protect circuits against overloads and short circuits in environments that rely on Siemens’ proven safety and reliability. Its plug-on design reduces installation time, while its 20A, 1-pole, 120V ratings provide targeted protection for lighting, receptacle, and small-appliance circuits typical in many residential and light commercial applications.

Practical use cases —

• Direct replacement for a failed or tripped breaker in Siemens panelboards and load centers.
• Stocking spare parts to preserve BOM integrity during ongoing maintenance or upgrades.
• Electrical distribution projects where a trustworthy, original-part 20A protection device is specified.

Not sure if the Q120H is the right fit for your panel? Reach out to AmpState for expert confirmation of compatibility and fit, and keep your electrical system protected with a direct, model-consistent replacement.