{"product_id":"siemens-dtnf221-30a-240v-2-pole-double-throw-safety-switch","title":"Siemens DTNF221 - 30A, 240V, 2-Pole, Double-Throw, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for dependable isolation in demanding environments, the Siemens DTNF221 is a 30A, 240V, 2-pole safety switch designed to deliver reliable on\/off control and protection for downstream equipment. When precise disconnects are critical for maintenance, startup sequences, or safeguarding motors and panelboards, this safety switch provides a straightforward, robust solution.\u003c\/p\u003e \u003ch3\u003eWhat makes the DTNF221 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole, 30A, 240V configuration\u003c\/strong\u003e delivers clean, independent control of both hot conductors, simplifying safe servicing and reducing the risk of accidental energization.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDouble-Throw design\u003c\/strong\u003e adds versatility by enabling switch paths that support transfer or alternate circuit routing in an efficient, compact package.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability\u003c\/strong\u003e built to withstand demanding commercial and industrial environments, providing consistent isolation and protection where it’s needed most.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact form-factor\u003c\/strong\u003e designed to fit into standard enclosures and panel layouts, making retrofits and installations smoother without sacrificing performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear isolation for critical loads\u003c\/strong\u003e ideal for motor disconnects, panelboards, and branch circuit protection where dependable, manual control is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in conveyors, pumps, fans, and other HVAC or processing equipment\u003c\/li\u003e \u003cli\u003ePanelboard isolation points in electrical rooms and service areas\u003c\/li\u003e \u003cli\u003eBranch circuit protection where a compact, maintainable safety switch is required\u003c\/li\u003e \u003cli\u003eSituations needing quick, reliable manual isolation for maintenance or emergency shutdowns\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical benefits in everyday operation\u003c\/h3\u003e\n\u003cp\u003eThe DTNF221 provides tangible advantages in real-world settings. With dual-pole operation, maintenance teams can confidently lock out equipment, knowing both supply paths are securely opened. The double-throw capability offers flexible configuration for systems that may require switching between sources or routes, all while occupying a smaller footprint than many alternating solutions. In environments where downtime is costly, this safety switch helps streamline startup sequences and fault isolation, reducing time spent on servicing and troubleshooting.\u003c\/p\u003e \u003ch3\u003eWhy choose Siemens for safety and protection\u003c\/h3\u003e\n\u003cp\u003eSiemens is a trusted name in industrial electrical equipment, offering products designed for longevity, predictable performance, and straightforward maintenance. The DTNF221 embodies this philosophy with a rugged build, clear operating characteristics, and compatibility with a range of commercial and industrial installations. Choosing this safety switch means fewer surprises in the field and more consistent protection for motors, control circuits, and electrical cabinets.\u003c\/p\u003e \u003ch3\u003eInstallation and practical considerations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify wiring meets local electrical codes and the switch is wired to provide true two-pole isolation for the protected circuit.\u003c\/li\u003e \u003cli\u003ePlan for easy access to the operating handle for routine testing and, if needed, lockout\/tagout procedures during maintenance.\u003c\/li\u003e \u003cli\u003eAssess enclosure availability to ensure the compact DTNF221 will fit your panel design without crowding adjacent devices.\u003c\/li\u003e \u003cli\u003eKeep spare discretionary parts and simple tools on hand to support quick field service and minimal downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor reliable, straightforward remote and local control with solid overload protection characteristics, the Siemens DTNF221 30A 240V 2-Pole Double-Throw Safety Switch is a practical choice for motor circuits, panel protection, and branch isolation in busy industrial settings. It delivers clear, dependable operation when it matters most—safely and efficiently.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390378823842,"sku":"DTNF221","price":1266.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-dtnf221-30a-240v-2-pole-double-throw-safety-switch-560.webp?v=1788870651","url":"https:\/\/www.ampstate.com\/products\/siemens-dtnf221-30a-240v-2-pole-double-throw-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}