{"product_id":"fanuc-a20b-3300-0121-2-axis-servo-control-card","title":"FANUC A20B-3300-0121 2-Axis High-Speed Servo Control Card","description":"\u003cp style=\"margin: 0 0 14px;\"\u003e\u003cstrong\u003eFANUC A20B-3300-0121\u003c\/strong\u003e is a \u003cstrong\u003etwo-axis high-speed axis control card\u003c\/strong\u003e for compatible FANUC CNC hardware. It processes servo-axis control commands within the CNC and is documented for two controlled axes, making it distinct from the four-axis A20B-3300-0120 card.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eFANUC maintenance documentation lists A20B-3300-0121 in Series 15i\/150i and Series 16i\/18i\/21i\/20i-A hardware configurations. Compatibility depends on the CNC model, master PCB, card slot, servo software, system options and machine-tool builder configuration.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eA20B-3300-0121 Product Information\u003c\/h4\u003e\n\u003ctable cellpadding=\"10\" style=\"width: 100%; border-collapse: collapse; margin: 0 0 18px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 34%;\"\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ MPN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3300-0121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-speed axis \/ servo control card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAxis Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 axes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eApplicable Servo Software\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeries 90A0 and 90A3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDocumented CNC Families\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelected FANUC 15i\/150i and 16i\/18i\/21i\/20i-A configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eRelated 4-Axis Card\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-3300-0120; not interchangeable by axis count alone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew, refurbished, or used 90% new; subject to stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eTesting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% tested before shipping; test video available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormally 1–2 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping \/ ETA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL, UPS, or FedEx worldwide; typically 3–7 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year for new\/refurbished; 3 months for used 90% new\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eService \/ Packing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFree technical support; anti-static reinforced packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eTwo-Axis High-Speed Servo Control\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eThe card supports CNC processing for two servo-controlled machine axes in an approved FANUC hardware configuration. Its function is different from a complete servo amplifier: the card belongs to the CNC control side, while the external servo amplifier supplies power to the motors.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eA20B-3300-0121 vs. A20B-3300-0120\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003e\u003cstrong\u003eA20B-3300-0121 controls two axes\u003c\/strong\u003e, whereas \u003cstrong\u003eA20B-3300-0120 controls four axes\u003c\/strong\u003e. FANUC also documents A20B-3300-0243 as a two-axis HRV3-related card, but this does not establish automatic plug-and-play interchangeability with A20B-3300-0121.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eReplacement and Installation Checks\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eMatch the complete A20B-3300-0121 number on the original card. Before replacement, confirm the CNC series, master PCB, installed axis-card position, servo software, controlled-axis count and system configuration. Back up parameters and machine data, isolate power and use anti-static handling procedures.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eRelated resources: \u003ca href=\"\/collections\/fanuc-pcbs\"\u003eFANUC PCB boards\u003c\/a\u003e, \u003ca href=\"\/collections\/fanuc-controls\"\u003eFANUC CNC controls\u003c\/a\u003e and \u003ca href=\"\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\"\u003eFANUC CNC repair services\u003c\/a\u003e.\u003c\/p\u003e","brand":"FANUC","offers":[{"title":"Used (90% New)","offer_id":67933445718231,"sku":"A20B-3300-0121-used","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/fanuc-a20b-3300-0121-servo-card-main.webp?v=1793349898","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-3300-0121-2-axis-servo-control-card","provider":"REACO CNC","version":"1.0","type":"link"}