Siemens | MP115GFA | Circuit Breaker | 1-Pole | 120V | 10kA | Plug-In

Meet the Siemens MP115GFA Circuit Breaker—a precise, plug-in solution designed for single-pole protection in 120V systems. Built for maintenance, retrofit, and replacement projects, this breaker delivers dependable safety where you need it, without sacrificing installation efficiency.

• 1-Pole, 120V operation: Protects a single hot leg in standard 120V circuits, making it ideal for lighting, outlets, and other branch circuits in residential or small commercial panels.
• 10,000 AIC rating: High interrupting capacity to handle fault currents and safeguard wiring and connected loads.
• Plug-In design: Quick, tool-free installation into compatible Siemens panels, reducing downtime during maintenance or panel upgrades.
• Maintenance, retrofit, and replacement ready: Specifically suited for aligning with existing Siemens panel configurations when upgrading or renewing protective devices.
• Best reference for compatibility: Use the MP115GFA part number to verify fit with your panel and ensure correct ratings before ordering.

Why choose this breaker for your project?

When upgrading or maintaining a Siemens panel, this plug-in 1-pole 120V breaker provides reliable overcurrent protection with a straightforward swap-in process. Its 10kA interrupting capacity gives you confidence in demanding fault scenarios, while the plug-in format minimizes service interruptions—crucial for occupied spaces or time-sensitive retrofit projects.

Ideal use cases

• Replacing a worn or tripped 1-pole 120V breaker in a Siemens panel
• Retrofit projects where a 1-pole, 120V protection device is required
• Maintenance swaps to keep a panel up-to-date with original Siemens specifications

Installation and compatibility tips

Before ordering, confirm fit and ratings using the MP115GFA as the primary reference. Ensure the panel accepts Siemens plug-in breakers in the MP-series family, and follow standard safety practices—power off, verify labeling, and replace only with the same voltage and pole configuration when possible. This attention to compatibility helps maintain panel performance and protects downstream circuits.

Choosing the Siemens MP115GFA means selecting a trusted, purpose-built solution for 120V, single-pole protection that’s ready to perform during routine maintenance and critical retrofit work in residential and light commercial environments.