{"product_id":"siemens-3va99780ab12-6a-300v-switch","title":"Siemens 3VA99780AB12 6A 300V Switch, Auxiliary Switch | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens 3VA99780AB12 Auxiliary Switch — a purpose-built companion for Siemens control assemblies designed to keep your electrical systems moving. With a 6 A amperage rating and a 300 V voltage rating, this compact auxiliary contact block delivers reliable signaling and switching support in everyday control tasks.\u003c\/p\u003e \u003cp\u003eSpecifically engineered for manual control and switching functions, this auxiliary switch is the dependable choice for replacement projects and maintenance spares. It helps you preserve the original bill of materials (BOM) and maintain consistent control logic, so panel refurbishments or service calls stay on schedule without compatibility concerns.\u003c\/p\u003e \u003ch3\u003eKey details\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 3VA99780AB12\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Auxiliary switch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 6 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 300 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this auxiliary switch stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDirect compatibility with Siemens 3VA control assemblies, ensuring a drop-in fit without modifications.\u003c\/li\u003e \u003cli\u003eSupports reliable manual control signals and straightforward switching tasks in control panels, MCCs, and automation racks.\u003c\/li\u003e \u003cli\u003eFacilitates quick BOM-aligned replacements, reducing downtime during maintenance and upgrades.\u003c\/li\u003e \u003cli\u003eCompact, unobtrusive form factor that integrates cleanly with existing wiring and enclosure layouts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and spare stocking for industrial control panels that rely on Siemens 3VA auxiliary contacts.\u003c\/li\u003e \u003cli\u003eReplacement of a worn or failed auxiliary switch within motor control centers or automation cabinets.\u003c\/li\u003e \u003cli\u003eLegacy system upgrades where preserving original control logic and signaling behavior is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAmpState offers straightforward compatibility support: if you’re unsure about fit, reach out and we’ll help verify that 3VA99780AB12 matches your equipment’s requirements. Equip your service team with a genuine Siemens auxiliary switch ready to install and restore reliable control performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411028922530,"sku":"3VA99780AB12","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va99780ab12-6a-300v-switch-auxiliary-ampstate-switches-790.webp?v=1789006802","url":"https:\/\/www.ampstate.com\/products\/siemens-3va99780ab12-6a-300v-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}