{"product_id":"fanuc-a20b-2002-0300","title":"Fanuc A20B-2002-0300","description":"\u003ch3 data-start=\"303\" data-end=\"343\"\u003eA20B-2002-0300 Fanuc Encoder Sensor Unit\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"345\" data-end=\"1183\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 100.087%; height: 480.25px;\"\u003e\n\u003ctbody data-start=\"361\" data-end=\"1183\"\u003e\n\u003ctr data-start=\"361\" data-end=\"382\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"361\" data-end=\"373\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"363\" data-end=\"372\"\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"373\" data-end=\"382\" data-col-size=\"xl\" style=\"width: 60.0899%; height: 19.5938px;\"\u003eFanuc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"383\" data-end=\"411\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"383\" data-end=\"395\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"385\" data-end=\"394\"\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"395\" data-end=\"411\" style=\"width: 60.0899%; height: 19.5938px;\"\u003eA20B20020300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"412\" data-end=\"459\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"412\" data-end=\"432\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"414\" data-end=\"431\"\u003eHandling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"432\" data-end=\"459\" style=\"width: 60.0899%; height: 19.5938px;\"\u003ewithin 1-2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"460\" data-end=\"503\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"460\" data-end=\"482\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"462\" data-end=\"481\"\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"482\" data-end=\"503\" style=\"width: 60.0899%; height: 19.5938px;\"\u003eDHL \/ UPS \/ FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"504\" data-end=\"745\" style=\"height: 117.562px;\"\u003e\n\u003ctd data-start=\"504\" data-end=\"544\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 117.562px;\"\u003e\u003cstrong data-start=\"506\" data-end=\"543\"\u003eEstimated Delivery Time (via DHL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"544\" data-end=\"745\" style=\"width: 60.0899%; height: 117.562px;\"\u003eAsia: 1-3 business days\u003cbr\u003eEurope: 2-4 business days\u003cbr\u003eNorth America: 2-4 business days\u003cbr\u003eSouth America: 3-6 business days\u003cbr\u003eMiddle East \u0026amp; Africa: 3-6 business days\u003cbr\u003eOceania: 2-5 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"746\" data-end=\"835\" style=\"height: 39.1875px;\"\u003e\n\u003ctd data-start=\"746\" data-end=\"761\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 39.1875px;\"\u003e\u003cstrong data-start=\"748\" data-end=\"760\"\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"761\" data-end=\"835\" data-col-size=\"xl\" style=\"width: 60.0899%; height: 39.1875px;\"\u003eNEW \/ Refurbished: 1-Year warranty\u003cbr\u003eUsed (90% New): 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"836\" data-end=\"883\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"836\" data-end=\"851\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"838\" data-end=\"850\"\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"851\" data-end=\"883\" style=\"width: 60.0899%; height: 19.5938px;\"\u003eEncoder Sensor \/ Sensor Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"884\" data-end=\"1099\" style=\"height: 176.344px;\"\u003e\n\u003ctd data-start=\"884\" data-end=\"912\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 176.344px;\"\u003e\u003cstrong data-start=\"886\" data-end=\"911\"\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"912\" data-end=\"1099\" style=\"width: 60.0899%; height: 176.344px;\"\u003eA20B20020300\u003cbr\u003eDISCONTINUED BY MANUFACTURER\u003cbr\u003eENCODER SENSOR\u003cbr\u003eSENSOR UNIT\u003cbr\u003eW\/ MOUNTING BRACKET\u003cbr\u003eON-BOARD RELAY\u003cbr\u003eCNC\u003cbr\u003eReplaced by A290-0854-V320 (may need to replace cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1100\" data-end=\"1157\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"1100\" data-end=\"1114\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"1102\" data-end=\"1113\"\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1114\" data-end=\"1157\" style=\"width: 60.0899%; height: 19.5938px;\"\u003eTest video will be sent before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1158\" data-end=\"1183\" style=\"height: 19.5938px;\"\u003e\n\u003ctd data-start=\"1158\" data-end=\"1172\" data-col-size=\"sm\" style=\"width: 37.0504%; height: 19.5938px;\"\u003e\u003cstrong data-start=\"1160\" data-end=\"1171\"\u003ePacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1172\" data-end=\"1183\" style=\"width: 60.0899%; height: 19.5938px;\"\u003eCartons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1185\" data-end=\"1576\"\u003eThe \u003cstrong data-start=\"1189\" data-end=\"1207\"\u003eA20B-2002-0300\u003c\/strong\u003e is a Fanuc \u003cstrong data-start=\"1219\" data-end=\"1242\"\u003eencoder sensor unit\u003c\/strong\u003e used in CNC systems where stable sensing and reliable signal feedback are important for normal machine operation. This unit is supplied with a \u003cstrong data-start=\"1386\" data-end=\"1406\"\u003emounting bracket\u003c\/strong\u003e and includes an \u003cstrong data-start=\"1423\" data-end=\"1441\"\u003eon-board relay\u003c\/strong\u003e, making it a practical replacement part for existing Fanuc-controlled equipment that depends on accurate sensor-related communication.\u003c\/p\u003e\n\u003cp data-start=\"1578\" data-end=\"2011\"\u003eBecause this model has been \u003cstrong data-start=\"1606\" data-end=\"1642\"\u003ediscontinued by the manufacturer\u003c\/strong\u003e, it is now mainly requested by customers maintaining older machines, replacing failed sensor units, or preparing spare stock for long-term support. In real maintenance work, the \u003cstrong data-start=\"1821\" data-end=\"1839\"\u003eA20B 2002 0300\u003c\/strong\u003e remains important because using the correct original-style sensor unit helps keep the machine structure and wiring arrangement as close as possible to the installed setup.\u003c\/p\u003e\n\u003cp data-start=\"2013\" data-end=\"2181\"\u003eAt REACO CNC, we supply dependable \u003cstrong data-start=\"2048\" data-end=\"2063\"\u003eFanuc parts\u003c\/strong\u003e for customers who need replacement sensor units, backup stock, or \u003cstrong data-start=\"2130\" data-end=\"2146\"\u003eFanuc repair\u003c\/strong\u003e support for installed CNC systems.\u003c\/p\u003e\n\u003cp data-start=\"2183\" data-end=\"2643\"\u003eThe \u003cstrong data-start=\"2187\" data-end=\"2223\"\u003eA20B-2002-0300 Fanuc sensor unit\u003c\/strong\u003e is used in applications where encoder-related detection and control-side signal handling must remain stable. When a sensor unit begins to fail, the machine may show feedback-related issues, abnormal response, or operating faults that interrupt production. In those situations, replacing the correct \u003cstrong data-start=\"2523\" data-end=\"2541\"\u003eA20B-2002-0300\u003c\/strong\u003e is often the most practical way to restore reliable operation and reduce unnecessary troubleshooting.\u003c\/p\u003e\n\u003cp data-start=\"2645\" data-end=\"2929\"\u003eA key point for this model is that the \u003cstrong data-start=\"2684\" data-end=\"2702\"\u003eA20B-2002-0300\u003c\/strong\u003e has been \u003cstrong data-start=\"2712\" data-end=\"2742\"\u003ereplaced by A290-0854-V320\u003c\/strong\u003e. However, the replacement note also indicates that the \u003cstrong data-start=\"2798\" data-end=\"2831\"\u003ecable may need to be replaced\u003c\/strong\u003e, which is important for service planning. For many users, this means there are two main concerns:\u003c\/p\u003e\n\u003cul data-start=\"2931\" data-end=\"3118\"\u003e\n\u003cli data-section-id=\"12o7tcs\" data-start=\"2931\" data-end=\"3005\"\u003efinding the original \u003cstrong data-start=\"2954\" data-end=\"2972\"\u003eA20B-2002-0300\u003c\/strong\u003e for a direct-style replacement\u003c\/li\u003e\n\u003cli data-section-id=\"z1jrko\" data-start=\"3006\" data-end=\"3118\"\u003econfirming whether \u003cstrong data-start=\"3027\" data-end=\"3045\"\u003eA290-0854-V320\u003c\/strong\u003e is the right replacement option and whether cable changes are required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3120\" data-end=\"3259\"\u003eThat replacement relationship makes this page useful not only for direct sales, but also for maintenance planning and compatibility review.\u003c\/p\u003e\n\u003cp data-start=\"3261\" data-end=\"3306\"\u003eThis sensor unit is commonly associated with:\u003c\/p\u003e\n\u003cul data-start=\"3308\" data-end=\"3501\"\u003e\n\u003cli data-section-id=\"19nlz0v\" data-start=\"3308\" data-end=\"3329\"\u003eFanuc CNC systems\u003c\/li\u003e\n\u003cli data-section-id=\"swwomb\" data-start=\"3330\" data-end=\"3361\"\u003eEncoder sensor applications\u003c\/li\u003e\n\u003cli data-section-id=\"151013o\" data-start=\"3362\" data-end=\"3403\"\u003eSignal detection and feedback support\u003c\/li\u003e\n\u003cli data-section-id=\"11tt06x\" data-start=\"3404\" data-end=\"3440\"\u003eMaintenance and rebuild projects\u003c\/li\u003e\n\u003cli data-section-id=\"1gtt4xh\" data-start=\"3441\" data-end=\"3501\"\u003eService work requiring original-compatible \u003cstrong data-start=\"3486\" data-end=\"3501\"\u003eFanuc parts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3503\" data-end=\"3709\"\u003eIt may also be sourced together with related encoders, interface boards, control boards, \u003cstrong data-start=\"3592\" data-end=\"3611\"\u003eservo amplifier\u003c\/strong\u003e modules, \u003cstrong data-start=\"3621\" data-end=\"3638\"\u003espindle drive\u003c\/strong\u003e units, and other CNC electronic assemblies during broader repair work.\u003c\/p\u003e\n\u003cp data-start=\"3711\" data-end=\"3773\"\u003eDepending on stock availability, this unit may be supplied in:\u003c\/p\u003e\n\u003cul data-start=\"3775\" data-end=\"3831\"\u003e\n\u003cli data-section-id=\"1phs39j\" data-start=\"3775\" data-end=\"3790\"\u003eNew condition\u003c\/li\u003e\n\u003cli data-section-id=\"18cdwho\" data-start=\"3791\" data-end=\"3814\"\u003eRefurbished condition\u003c\/li\u003e\n\u003cli data-section-id=\"19bsaho\" data-start=\"3815\" data-end=\"3831\"\u003eUsed condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3833\" data-end=\"4043\"\u003eFor many customers supporting discontinued Fanuc hardware, refurbished stock is often the most practical choice. It helps preserve the original machine setup while balancing lead time, cost, and repair urgency.\u003c\/p\u003e\n\u003cp data-start=\"4045\" data-end=\"4110\"\u003eCustomers usually look for the \u003cstrong data-start=\"4076\" data-end=\"4094\"\u003eA20B-2002-0300\u003c\/strong\u003e when they need:\u003c\/p\u003e\n\u003cul data-start=\"4112\" data-end=\"4445\"\u003e\n\u003cli data-section-id=\"b0mqhj\" data-start=\"4112\" data-end=\"4169\"\u003eA direct replacement for a faulty encoder sensor unit\u003c\/li\u003e\n\u003cli data-section-id=\"17t8uy8\" data-start=\"4170\" data-end=\"4220\"\u003eSupport for discontinued Fanuc sensor hardware\u003c\/li\u003e\n\u003cli data-section-id=\"1vzgrgj\" data-start=\"4221\" data-end=\"4276\"\u003eHelp confirming replacement with \u003cstrong data-start=\"4256\" data-end=\"4274\"\u003eA290-0854-V320\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wfcyaa\" data-start=\"4277\" data-end=\"4326\"\u003eBackup \u003cstrong data-start=\"4286\" data-end=\"4301\"\u003eFanuc stock\u003c\/strong\u003e for important machines\u003c\/li\u003e\n\u003cli data-section-id=\"zndtsr\" data-start=\"4327\" data-end=\"4382\"\u003eReliable \u003cstrong data-start=\"4338\" data-end=\"4353\"\u003eFanuc parts\u003c\/strong\u003e for repair and maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"v3kmlu\" data-start=\"4383\" data-end=\"4445\"\u003eSupport in deciding between replacement and \u003cstrong data-start=\"4429\" data-end=\"4445\"\u003eFanuc repair\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4447\" data-end=\"4636\"\u003eIn real production environments, having the correct sensor unit available can save a significant amount of time, especially when the failure affects machine feedback or detection functions.\u003c\/p\u003e\n\u003cp data-start=\"4638\" data-end=\"4897\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" target=\"_blank\" title=\"FANUC CNC Parts \u0026amp; Industrial Repair - REACO CNC\" rel=\"noopener\"\u003eREACO CNC\u003c\/a\u003e supports both direct replacement supply and \u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\"\u003e\u003cstrong data-start=\"4692\" data-end=\"4708\"\u003eFanuc repair\u003c\/strong\u003e\u003c\/a\u003e inquiries. If your original \u003cstrong data-start=\"4737\" data-end=\"4755\"\u003eA20B-2002-0300\u003c\/strong\u003e is damaged, we can help review whether repair is practical or whether replacement is the better route based on stock, condition, and urgency.\u003c\/p\u003e\n\u003cp data-start=\"4899\" data-end=\"5141\"\u003eWe also support sourcing for related \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-cnc-robot-parts\" target=\"_blank\" title=\"Shop for Fanuc CNC \u0026amp; Robot Parts\" rel=\"noopener\"\u003e\u003cstrong data-start=\"4936\" data-end=\"4951\"\u003eFanuc parts\u003c\/strong\u003e\u003c\/a\u003e, including sensor units, encoders, interface boards, control boards, \u003cstrong data-start=\"5021\" data-end=\"5040\"\u003eservo amplifier\u003c\/strong\u003e units, \u003cstrong data-start=\"5048\" data-end=\"5065\"\u003espindle drive\u003c\/strong\u003e units, and other CNC electronic assemblies used in installed Fanuc systems.\u003c\/p\u003e\n\u003cp data-start=\"5143\" data-end=\"5458\"\u003eFor many shops, older equipment remains productive for years as long as the right spare parts are available. A correct \u003cstrong data-start=\"5262\" data-end=\"5280\"\u003eA20B 2002 0300\u003c\/strong\u003e replacement, or confirmed replacement path to \u003cstrong data-start=\"5327\" data-end=\"5345\"\u003eA290-0854-V320\u003c\/strong\u003e, can help preserve the original machine layout, reduce downtime, and make service planning much more manageable.\u003c\/p\u003e\n\u003ch4 data-start=\"5460\" data-end=\"5468\"\u003eFAQ\u003c\/h4\u003e\n\u003cp data-start=\"5470\" data-end=\"5554\"\u003e\u003cstrong data-start=\"5470\" data-end=\"5497\"\u003eWhat is A20B-2002-0300?\u003c\/strong\u003e\u003cbr data-start=\"5497\" data-end=\"5500\"\u003eIt is a Fanuc encoder sensor unit used in CNC systems.\u003c\/p\u003e\n\u003cp data-start=\"5556\" data-end=\"5671\"\u003e\u003cstrong data-start=\"5556\" data-end=\"5592\"\u003eWhat is included with this unit?\u003c\/strong\u003e\u003cbr data-start=\"5592\" data-end=\"5595\"\u003eIt is described as a sensor unit with a mounting bracket and on-board relay.\u003c\/p\u003e\n\u003cp data-start=\"5673\" data-end=\"5769\"\u003e\u003cstrong data-start=\"5673\" data-end=\"5708\"\u003eIs A20B-2002-0300 discontinued?\u003c\/strong\u003e\u003cbr data-start=\"5708\" data-end=\"5711\"\u003eYes. This model has been discontinued by the manufacturer.\u003c\/p\u003e\n\u003cp data-start=\"5771\" data-end=\"5888\"\u003e\u003cstrong data-start=\"5771\" data-end=\"5804\"\u003eWhat replaces A20B-2002-0300?\u003c\/strong\u003e\u003cbr data-start=\"5804\" data-end=\"5807\"\u003eIt is replaced by \u003cstrong data-start=\"5825\" data-end=\"5843\"\u003eA290-0854-V320\u003c\/strong\u003e, and the cable may also need to be replaced.\u003c\/p\u003e\n\u003cp data-start=\"5890\" data-end=\"6003\"\u003e\u003cstrong data-start=\"5890\" data-end=\"5925\"\u003eCan A20B-2002-0300 be repaired?\u003c\/strong\u003e\u003cbr data-start=\"5925\" data-end=\"5928\"\u003eYes. Repair may be possible depending on the unit condition and fault type.\u003c\/p\u003e\n\u003cp data-start=\"6005\" data-end=\"6103\"\u003e\u003cstrong data-start=\"6005\" data-end=\"6043\"\u003eDo you provide worldwide shipping?\u003c\/strong\u003e\u003cbr data-start=\"6043\" data-end=\"6046\"\u003eYes. We supply Fanuc parts to customers around the world.\u003c\/p\u003e\n\u003chr data-start=\"6105\" data-end=\"6108\"\u003e\n\u003cp data-start=\"6110\" data-end=\"6248\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"6110\" data-end=\"6162\"\u003eNeed pricing or availability for A20B-2002-0300?\u003c\/strong\u003e\u003cbr data-start=\"6162\" data-end=\"6165\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" target=\"_blank\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\"\u003eContact REACO CNC\u003c\/a\u003e for stock status, repair support, and worldwide shipping options.\u003c\/p\u003e","brand":"REACO CNC","offers":[{"title":"Used (90% New)","offer_id":48515555328215,"sku":"A20B-2002-0300-used","price":158.0,"currency_code":"USD","in_stock":true},{"title":"Brand New","offer_id":48515555360983,"sku":"A20B-2002-0300-new","price":237.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-2002-0300_Fanuc_sensor_unit.jpg?v=1776395371","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-2002-0300","provider":"REACO CNC","version":"1.0","type":"link"}