{"product_id":"fanuc-power-supply-for-0i-a-0i-mate-a-a20b-1005-0421","title":"Fanuc Power Supply for 0i-A\/ 0i Mate-A A20B-1005-0421","description":"\u003cp\u003eORDERING NUMBER :- A20B-0279-H100\u003c\/p\u003e\n\u003cp data-start=\"47\" data-end=\"338\"\u003e\u003cstrong data-start=\"47\" data-end=\"71\"\u003eFANUC A20B-1005-0421\u003c\/strong\u003e is a \u003cstrong data-start=\"77\" data-end=\"121\"\u003epower supply printed circuit board (PCB)\u003c\/strong\u003e used in FANUC CNC control systems, particularly the \u003cstrong data-start=\"174\" data-end=\"190\"\u003eSeries 21-TB\u003c\/strong\u003e and \u003cstrong data-start=\"195\" data-end=\"204\"\u003e21-MB\u003c\/strong\u003e controllers. It’s designed to provide stable DC power for the controller’s internal electronics.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"340\" data-end=\"362\"\u003e📌 Key Description\u003c\/h3\u003e\n\u003cul data-start=\"363\" data-end=\"984\"\u003e\n\u003cli data-start=\"363\" data-end=\"405\"\u003e\n\u003cp data-start=\"365\" data-end=\"405\"\u003e\u003cstrong data-start=\"365\" data-end=\"379\"\u003ePart Type:\u003c\/strong\u003e Power Supply Unit (PCB)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"406\" data-end=\"546\"\u003e\n\u003cp data-start=\"408\" data-end=\"546\"\u003e\u003cstrong data-start=\"408\" data-end=\"421\"\u003eFunction:\u003c\/strong\u003e Supplies regulated DC power (e.g., \u003cstrong data-start=\"457\" data-end=\"476\"\u003e24 V, 12 V, 5 V\u003c\/strong\u003e) to the CNC control circuitry.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"547\" data-end=\"678\"\u003e\n\u003cp data-start=\"549\" data-end=\"678\"\u003e\u003cstrong data-start=\"549\" data-end=\"561\"\u003eUsed In:\u003c\/strong\u003e FANUC \u003cstrong data-start=\"568\" data-end=\"605\"\u003e21-TB \/ 21-MB CNC control systems\u003c\/strong\u003e (older \/ classic control models).\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"679\" data-end=\"798\"\u003e\n\u003cp data-start=\"681\" data-end=\"798\"\u003e\u003cstrong data-start=\"681\" data-end=\"690\"\u003eForm:\u003c\/strong\u003e Open-frame \/ PCB module, typically mounted directly on an I\/O board.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"799\" data-end=\"984\"\u003e\n\u003cp data-start=\"801\" data-end=\"984\"\u003e\u003cstrong data-start=\"801\" data-end=\"826\"\u003eAlso Identified With:\u003c\/strong\u003e Equivalent to a \u003cstrong data-start=\"843\" data-end=\"876\"\u003epower supply PCB for FS20\/F0I\u003c\/strong\u003e applications (industry reseller descriptions use this classification).\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"986\" data-end=\"1005\"\u003e🧠 What It Does\u003c\/h3\u003e\n\u003cp data-start=\"1006\" data-end=\"1348\"\u003eThe board converts incoming \u003cstrong data-start=\"1034\" data-end=\"1046\"\u003eAC power\u003c\/strong\u003e into the various \u003cstrong data-start=\"1064\" data-end=\"1079\"\u003eDC voltages\u003c\/strong\u003e needed by the FANUC CNC control’s electronics (logic, processor boards, I\/O cards) and ensures stable operation. It’s a \u003cstrong data-start=\"1200\" data-end=\"1222\"\u003ecritical component\u003c\/strong\u003e because without proper power regulation, the controller can malfunction or fail to boot.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"1350\" data-end=\"1371\"\u003e🛠 Common Context\u003c\/h3\u003e\n\u003cul data-start=\"1372\" data-end=\"1701\"\u003e\n\u003cli data-start=\"1372\" data-end=\"1546\"\u003e\n\u003cp data-start=\"1374\" data-end=\"1546\"\u003eOften offered \u003cstrong data-start=\"1388\" data-end=\"1415\"\u003eas a replaceable module\u003c\/strong\u003e or for \u003cstrong data-start=\"1423\" data-end=\"1442\"\u003erepair\/exchange\u003c\/strong\u003e because it’s a common failure point over long machine lifetimes.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1547\" data-end=\"1701\"\u003e\n\u003cp data-start=\"1549\" data-end=\"1701\"\u003eFrequently found in \u003cstrong data-start=\"1569\" data-end=\"1614\"\u003esurplus and refurbished parts inventories\u003c\/strong\u003e due to machines being decommissioned or upgraded.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JJAutomation","offers":[{"title":"New","offer_id":44691246350472,"sku":"A20B-1005-0421","price":0.0,"currency_code":"INR","in_stock":true},{"title":"Used \/ Refurbished","offer_id":46109834379400,"sku":"A20B-1005-0421","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-01-15T131052.003.jpg?v=1768462862","url":"https:\/\/jjautomation.in\/products\/fanuc-power-supply-for-0i-a-0i-mate-a-a20b-1005-0421","provider":"JJAutomation","version":"1.0","type":"link"}