{"product_id":"siemens-3tf2010-0lf4-9a-3p-400v-auxiliary-switch","title":"Siemens 3TF2010-0LF4 Auxiliary Switch, 9A, 3-Pole, 400V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens 3TF2010-0LF4 auxiliary switch—an essential control component for industrial electrical service, maintenance, and replacement projects. With a \u003cstrong\u003e9 A\u003c\/strong\u003e switching capacity across a \u003cstrong\u003e3-pole\u003c\/strong\u003e configuration at \u003cstrong\u003e400 V\u003c\/strong\u003e, this compact auxiliary switch is built to handle demanding control circuits reliably.\u003c\/p\u003e \u003cp\u003eDesigned to integrate with Siemens control gear and compatible assemblies, the 3TF2010-0LF4 helps streamline panel upgrades, machine retrofits, and service downtime when you need a precise, drop-in replacement. Use the part number \u003cstrong\u003e3TF2010-0LF4\u003c\/strong\u003e to confirm fit for your application and ensure system compatibility before ordering. If you’re uncertain about compatibility, reach out with your equipment model and control scheme—we’re glad to help verify the match.\u003c\/p\u003e \u003ch3\u003eWhy it matters\u003c\/h3\u003e\n\u003cp\u003eIn industrial environments, a dedicated auxiliary switch provides fast-status signaling, improved control logic reliability, and safer operation of motor starters, contactors, and programmable logic controllers. The \u003cstrong\u003e3-pole design\u003c\/strong\u003e allows signaling across all three phases or coordinated control signals, while the \u003cstrong\u003e9 A rating\u003c\/strong\u003e supports typical signaling or control loads without overtaxing the device.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for panel builders upgrading control panels, OEMs replacing worn components in automated machinery, and maintenance teams performing routine service on electrical cabinets. It’s suitable for medium-voltage control circuits within the 400 V range and integrates into existing Siemens-based control ecosystems.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify fit by part number: \u003cstrong\u003e3TF2010-0LF4\u003c\/strong\u003e and confirm the application requirements match your system.\u003c\/li\u003e \u003cli\u003eCheck the voltage and current rating (400 V, 9 A) against your control circuit to avoid overloads.\u003c\/li\u003e \u003cli\u003eEnsure proper mounting footprint and wiring connections according to your panel design and safety standards.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about compatibility, contact support with your equipment model and control scheme—we’re happy to help verify the match.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\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 3TF2010-0LF4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Auxiliary Switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 9 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 400 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eMake sure you have the exact part number on hand to verify fit with your equipment. This auxiliary switch is a focused, reliable choice for professionals who expect consistent performance in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416098492578,"sku":"3TF2010-0LF4","price":860.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-3tf2010-0lf4-9a-3p-400v-auxiliary-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}