{"product_id":"topworx-81-20524-a2-nsnbc01-limit-switch","title":"TOPWORX 81-20524-A2 NSNBC01 Limit Switch","description":"\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe TOPWORX 81-20524-A2 GO Switch\u003ca href=\"https:\/\/plgautomation.com\/collections\/industrial-switches\"\u003e limit switch\u003c\/a\u003e is used in industrial position sensing systems to provide reliable end-sensing target detection without conventional mechanical lever actuation. Commonly installed on valves, machinery, conveyors, process equipment, and automated systems requiring dependable position feedback. Maintenance teams and system integrators use this part for limit switch replacement, position detection, machine control repair, and restoration of reliable equipment feedback.\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe TOPWORX 81-20524-A2 limit switch is commonly used in industrial automation and process control systems where rugged end sensing and redundant dry-contact switching are required. The Model 81 platform provides DPDT switching, approximately 1\/4-inch end sensing, a stainless steel enclosure, and hazardous-location suitability for demanding valve position monitoring and industrial machinery applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Manufacturer: TOPWORX\u003cbr\u003e• Model \/ Part Number: 81-20524-A2\u003cbr\u003e• Product Line: GO Switch\u003cbr\u003e• Series: Model 81 \/ 80 Series\u003cbr\u003e• Product Type: Leverless Limit Switch\u003cbr\u003e• Contact Configuration: DPDT Form CC\u003cbr\u003e• Switching Function: Dry Contact\u003cbr\u003e• Sensing Type: End Sensing\u003cbr\u003e• Sensing Range: Approximately 1\/4 in \/ 6 mm\u003cbr\u003e• Target Type: Ferrous Metal\u003cbr\u003e• Electrical Rating: 10 A at 120 VAC\u003cbr\u003e• Electrical Rating: 5 A at 240 VAC\u003cbr\u003e• DC Rating: 3 A at 24 VDC\u003cbr\u003e• Enclosure Material: Stainless Steel\u003cbr\u003e• Outlet Position: Bottom of Enclosure\u003cbr\u003e• Wiring Type: 18 AWG PVC-Insulated Lead Wires\u003cbr\u003e• Lead Length: 3 ft\u003cbr\u003e• Area Classification: CSA\/FM Class I, Division 1\u003cbr\u003e• Function: Position and Limit Detection\u003cbr\u003e• Application: Valves, Machinery, Conveyors, Process Equipment, and Industrial Automation Systems\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• TOPWORX 81-20524-A2\u003cbr\u003e• TOPWORX 81-20524-A3\u003cbr\u003e• TOPWORX 81-20522-A2\u003c\/p\u003e","brand":"TOPWORX","offers":[{"title":"New","offer_id":51714098757934,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_a3930f80-d2ec-4b49-a9df-1614136f6628.jpg?v=1770416348","url":"https:\/\/plgautomation.com\/products\/topworx-81-20524-a2-nsnbc01-limit-switch","provider":"PLG Automation ","version":"1.0","type":"link"}