{"product_id":"siemens-q21535ct-circuit-breaker","title":"Siemens | Q21535CT | Circuit Breaker | 35A | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens Q21535CT circuit breaker — a purpose-built 35-amp, four-pole unit designed to handle demanding 240V circuits with confident protection. Built for maintenance, retrofit, and replacement projects, this breaker helps keep your electrical system safe while preserving panel performance.\u003c\/p\u003e \u003ch3\u003eCore specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 35A\u003c\/li\u003e \u003cli\u003ePoles: 4-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 240V\u003c\/li\u003e \u003cli\u003ePart number reference: Q21535CT\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens Q21535CT in your panel?\u003c\/h3\u003e\n\u003cp\u003eThis four-pole design is engineered for reliability in multi-conductor configurations, offering synchronized disconnection across all relevant conductors when tripped. The unit is specifically matched to Siemens panels and systems that require the Q21535CT specification, ensuring a precise fit and dependable performance when you’re aligning with existing electrical layouts.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement in Siemens-based panels where a 35A, 4-pole 240V breaker is specified.\u003c\/li\u003e \u003cli\u003eRetrofit projects that bring older installations up to current electrical standards while preserving panel architecture.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios that demand complete isolation of multiple conductors for safe servicing.\u003c\/li\u003e \u003cli\u003eCommercial or light-industrial 240V circuits that require robust multi-pole protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cp\u003eTo ensure a proper match, rely on the part number as your primary compatibility reference. Before ordering, confirm:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThe panel requires a 35A, 4-pole, 240V breaker.\u003c\/li\u003e \u003cli\u003eThe part number is Q21535CT for the exact Siemens specification.\u003c\/li\u003e \u003cli\u003eYour panel labeling or documentation confirms fitment with this configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSafety note: Always follow electrical code requirements and, if you’re not fully confident in performing panel work, consult a licensed electrician.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number Q21535CT is the best reference for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426712211618,"sku":"Q21535CT","price":262.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-q21535ct-circuit-breaker-35a-4-pole-240v-819.webp?v=1789608288","url":"https:\/\/www.ampstate.com\/products\/siemens-q21535ct-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}