{"product_id":"siemens-q21530ctnc-30a-2p-240v-circuit-breaker","title":"Siemens Q21530CTNC Circuit Breaker, 30A, 2-Pole, 240V","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for industrial electrical service, the Siemens Q21530CTNC circuit breaker delivers dependable overload protection for 240V circuits. As a member of the QT-series, this 2-pole unit is designed for maintenance, service, and replacement projects where reliability matters. Use the part number Q21530CTNC to confirm compatibility with your panel and application.\u003c\/p\u003e \u003cp\u003eKey features and benefits:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage and protection\u003c\/strong\u003e: 240V, 2-pole design provides simultaneous disconnect on both hot legs, safeguarding equipment and wiring in 240V circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating\u003c\/strong\u003e: 30 A rating suitable for circuits feeding moderate loads or motors with appropriate protection coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries compatibility\u003c\/strong\u003e: Part of the Siemens QT-series breakers, intended for panels designed to accept QT-type devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVerified fit\u003c\/strong\u003e: Confirm compatibility by cross-checking the exact part number (Q21530CTNC) with your panel's listing and application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReplacement-ready\u003c\/strong\u003e: Ideal for replacement projects where downtime matters and standardization with QT-series devices helps streamline maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupport\u003c\/strong\u003e: If you’re uncertain about compatibility, our team can help match the part number to your application.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal use cases:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial service panels requiring reliable 30A protection on 240V circuits\u003c\/li\u003e \u003cli\u003eMaintenance projects where QT-series compatibility ensures a proper fit\u003c\/li\u003e \u003cli\u003eReplacement of aging breakers in QT-series installations to restore circuit protection quickly\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to verify compatibility and install safely:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCheck that your panel is listed to accept QT-series breakers and that the Q21530CTNC matches the required amperage and voltage for the circuit.\u003c\/li\u003e \u003cli\u003eTurn off power and follow all safety procedures during installation; confirm there are no obstructions to the breaker’s trip mechanism.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProduct details at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e QT\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e Q21530CTNC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415730114722,"sku":"Q21530CTNC","price":460.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-q21530ctnc-circuit-breaker-30a-2-pole-240v-breakers-459.webp?v=1789195189","url":"https:\/\/www.ampstate.com\/products\/siemens-q21530ctnc-30a-2p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}