{"product_id":"siemens-q21520ctnc-20a-240v-plug-in-circuit-breaker","title":"Siemens Q21520CTNC - 20 A, 240 V Plug-In Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens Q21520CTNC is a reliable 20A, 240V plug-in molded case circuit breaker designed to protect your panelboards and load centers from overcurrent and short-circuit events. Its fast plug-in connection makes installation and replacement quick and straightforward, minimizing downtime in busy electrical environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFast plug-in connection\u003c\/strong\u003e for rapid installation and effortless replacement, reducing service time and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection for both overloads and short circuits, helping protect wiring and devices from damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20A, 240V rating\u003c\/strong\u003e suits a wide range of branch circuits in homes, small businesses, and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-in mounting style\u003c\/strong\u003e simplifies upgrades and service within compatible panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility with OEM load centers and panelboards\u003c\/strong\u003e ensures seamless integration and maintains panel performance with matching Siemens components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e Q21520CTNC for easy ordering and replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis model is ideal for protecting circuits such as kitchen and living-space outlets, lighting runs, or small commercial equipment circuits. By combining a fast plug-in design with a dependable thermal-magnetic trip, it helps keep electrical systems safer and more predictable in daily operation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this Siemens 20A 240V breaker?\u003c\/strong\u003e It pairs precise interrupting capabilities with straightforward service in a compact, molded-case package. The thermal-magnetic technology minimizes nuisance trips while maintaining strong protection, making it a solid choice for residential, commercial, and light industrial applications that rely on quick maintenance and lasting reliability.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e Q21520CTNC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 20A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Plug-in\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355154993314,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_0c824da8-b0fb-4ae0-9957-e3649882aebe.png?v=1764689706","url":"https:\/\/www.ampstate.com\/products\/siemens-q21520ctnc-20a-240v-plug-in-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}