{"product_id":"siemens-nf221dtk-30a-240v-2-pole-double-throw-switch","title":"Siemens NF221DTK - 30A, 240V, 2-Pole, Double-Throw, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NF221DTK—a rugged 30A, 240V, 2-Pole, Double-Throw switch engineered for dependable on\/off isolation and overcurrent protection in demanding industrial and commercial environments. This two-pole design delivers precise control, enabling you to switch between circuits or sources while maintaining safe, mechanical isolation when maintenance is required.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eModel: NF221DTK\u003c\/li\u003e \u003cli\u003eAmperage: 30A\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eConfiguration: Double-Throw\u003c\/li\u003e \u003cli\u003eType: Industrial switch for isolation and switching applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCompact footprint that fits cleanly into panelboards and tight electrical enclosures, helping you maximize space without compromising performance.\u003c\/li\u003e \u003cli\u003eRugged construction designed for frequent operation and reliable isolation under demanding service conditions.\u003c\/li\u003e \u003cli\u003eClear, positive actuation with straightforward maintenance, reducing downtime during servicing.\u003c\/li\u003e \u003cli\u003eIdeal for motor disconnects and branch circuit protection where a robust, maintainable switch is required.\u003c\/li\u003e \u003cli\u003eEase of servicing and replacement supports long-term reliability in busy industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects for conveyors, pumps, fans, and other equipment in manufacturing facilities or large buildings.\u003c\/li\u003e \u003cli\u003ePanelboard applications needing a compact, dependable isolation switch for safe energization and de-energization.\u003c\/li\u003e \u003cli\u003eBranch circuit protection in warehouses, data centers, and processing environments where quick, safe isolation is critical.\u003c\/li\u003e \u003cli\u003eMaintenance and commissioning projects requiring reliable, repeatable switching without complex setup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips and buying considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair the NF221DTK with appropriate lockout\/tagout practices to ensure safe maintenance and compliance.\u003c\/li\u003e \u003cli\u003eConfirm that the connected load matches the 30A, 240V rating to prevent nuisance trips and extend life.\u003c\/li\u003e \u003cli\u003eAssess the installation environment (dust, moisture, temperature) and select compatible enclosures and mounting to maximize durability.\u003c\/li\u003e \u003cli\u003eMaintain a small stock of spare contact components or related parts to minimize downtime during routine service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390333178018,"sku":"NF221DTK","price":795.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-nf221dtk-30a-240v-2-pole-double-throw-switch-485.webp?v=1788862342","url":"https:\/\/www.ampstate.com\/products\/siemens-nf221dtk-30a-240v-2-pole-double-throw-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}