{"product_id":"siemens-mq115","title":"Siemens MQ115 15A 1-Pole 120 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eIntroduce reliable protection to your 120 V circuits with the Siemens MQ115 15A 1-Pole Circuit Breaker. This genuine Siemens part is designed to protect a single hot leg in residential or light commercial panels, delivering dependable overcurrent protection when you need it most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 15 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 120 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MQ115\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Siemens MQ115? It’s a straightforward, drop-in replacement that’s built to fit compatible Siemens panels, ensuring a clean, secure connection without the guesswork. The 1-pole configuration is ideal for protecting individual circuits such as lighting runs, outlets in a dedicated area, or other single-hot-leg applications, while the 120 V rating matches typical residential and light commercial electrical infrastructure.\u003c\/p\u003e \u003cp\u003eKey benefits and practical use cases:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrong trusted compatibility:\u003e As part of the Siemens MQ series, the MQ115 is designed for reliable integration in compatible load centers and panels, helping you avoid fitment issues and service interruptions.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong focused protection for a single circuit:\u003e The 1-pole design is perfect for protecting a single branch circuit—great for lighting, outlets, or a dedicated appliance circuit.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong clear actionable specification:\u003e With a 15 A rating at 120 V, you know exactly where this breaker fits in your electrical plan and how it tolerates surge or overload conditions within normal household or light commercial loads.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong versatile in metering setups:\u003e In systems that employ potential transformers (PTs) for monitoring or protection schemes, the MQ115 provides reliable branch protection aligned with standard 120 V circuits.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and best practices:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways de-energize the main power before replacing a breaker. Use proper PPE and follow local codes.\u003c\/li\u003e \u003cli\u003eVerify that the breaker is compatible with your panel’s labeling and listing to ensure proper fit and safe operation.\u003c\/li\u003e \u003cli\u003eInspect the mounting and connections for tightness after installation to maintain reliable interruption performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens MQ115 15A 1-Pole 120 V Circuit Breaker is the practical, purpose-built choice for electricians and homeowners who value exact fit, straightforward protection, and compatibility with Siemens panels. It’s the right move when you need dependable single-pole protection for a dedicated circuit in 120-volt environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423584571554,"sku":"MQ115","price":221.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-mq115","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}