{"product_id":"fanuc-a06b-0061-b303","title":"FANUC A06B-0061-B303 Servo Motor","description":"\u003ch3\u003eFANUC A06B-0061-B303 βiS 2\/4000 Servo Motor with Tapered Shaft and 24V Brake\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 101.301%; height: 514.812px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 20px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 20px; text-align: left;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 20px; text-align: left;\"\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; text-align: left; height: 19.5938px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eA06B-0061-B303\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 23px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eHanding time\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 23px;\"\u003ewithin 1-2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 26.75px;\"\u003e\u003cstrong\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 26.75px;\"\u003eDHL\/UPS\/FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 213.562px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 213.562px;\"\u003e\u003cstrong\u003eEstimated Delivery Time (via DHL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 213.562px;\"\u003e\n\u003cp\u003eAsia: 1-3 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eEurope: 2-4 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNorth America: 2-4 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSouth America:  3-6 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMiddle East \u0026amp; Africa: 3-6 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOceania: \u003cmeta charset=\"utf-8\"\u003e2-5 business days\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 71.1875px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 71.1875px;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 71.1875px;\"\u003eNEW\/Refurbished: 1-Year warranty\u003cbr\u003eUsed(90% New): 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eMotor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 74.7812px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 74.7812px;\"\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 74.7812px;\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA06B0061B303\u003cbr\u003eβiS 2\/4000 Servo Motor\u003cbr\u003eCNC\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 26.75px; text-align: left;\"\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 26.75px; text-align: left;\"\u003eTest video will be sent before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003ePacking\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eCartons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-742\" data-turn-id-container=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" data-turn-id=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-6-thinking\" dir=\"auto\" data-turn-start-message=\"true\" data-message-id=\"d19e99cc-fbe8-4cb6-a56a-e860dcd9417b\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-6-thinking\" dir=\"auto\" data-message-id=\"f09fd988-ff0f-4c4b-bf81-1a540b8eb2e3\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"874\" data-start=\"597\"\u003eThe \u003cstrong\u003eFANUC A06B-0061-B303\u003c\/strong\u003e is a brake-equipped \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-motors\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc Motors for Reliable Industrial Automation - REACO CNC\" rel=\"noopener\"\u003e\u003cstrong\u003eβiS 2\/4000 AC servo motor\u003c\/strong\u003e\u003c\/a\u003e with a tapered output shaft and βiA128 absolute pulse coder. Its built-in 24 VDC holding brake distinguishes it from the otherwise similar A06B-0061-B003 no-brake motor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eThis configuration is suitable for machine axes that require the motor shaft to be held after controlled motion has stopped and servo power is removed. It must be paired with the correct FANUC amplifier, brake-control circuit and CNC motor parameters.\u003c\/p\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003eVerified Motor and Brake Data\u003c\/h4\u003e\n\u003cul style=\"margin: 8px 0 22px; padding-left: 26px; line-height: 1.7;\"\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e A06B-0061-B303\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eMotor model:\u003c\/strong\u003e βiS 2\/4000\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eRated output:\u003c\/strong\u003e 0.5 kW\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eStall torque:\u003c\/strong\u003e 2 N·m\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eStall current:\u003c\/strong\u003e 3.3 A RMS\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eRated and maximum speed:\u003c\/strong\u003e 4,000 min⁻¹\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eMaximum motor torque:\u003c\/strong\u003e 7 N·m\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eShaft:\u003c\/strong\u003e Tapered shaft\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eFeedback:\u003c\/strong\u003e βiA128 absolute pulse coder\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eBrake type:\u003c\/strong\u003e Built-in holding brake\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eBrake supply:\u003c\/strong\u003e 24 VDC ±10%\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eBrake holding torque:\u003c\/strong\u003e 3 N·m\u003c\/li\u003e\n\u003cli style=\"margin: 0 0 7px;\"\u003e\n\u003cstrong\u003eBrake current:\u003c\/strong\u003e 0.9 A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003eHolding Brake Function\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eThe built-in brake is designed to hold a stationary shaft, including on an appropriately engineered vertical axis. It is \u003cstrong\u003enot a service brake\u003c\/strong\u003e and should not be repeatedly applied to stop a rotating motor. The servo system must first decelerate and stop the axis before the holding brake engages.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eFANUC documentation specifies a 24 VDC brake circuit and advises against sharing the brake supply with the CNC or amplifier control-power supply. The original machine circuit and brake-release sequence should be retained.\u003c\/p\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003eTapered Shaft with B128iA Feedback\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eThe tapered shaft must match the original coupling and machine-side attachment. The βiA128, often written as B128iA in parts listings, supplies absolute rotor-position feedback. Confirm encoder compatibility and backup-battery condition before disconnecting the motor.\u003c\/p\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003eB003, B303 and B403 Differences\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003e\u003cstrong\u003eA06B-0061-B003\u003c\/strong\u003e has a tapered shaft without a brake. \u003cstrong\u003eA06B-0061-B303\u003c\/strong\u003e retains the tapered shaft and adds the 24 VDC holding brake. \u003cstrong\u003eA06B-0061-B403\u003c\/strong\u003e combines a straight shaft with a brake. Similar performance ratings do not make these versions mechanically interchangeable.\u003c\/p\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003eIP67 Suffix Identification\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003e\u003cstrong\u003eA06B-0061-B303#0100\u003c\/strong\u003e is identified separately as the sealed IP67 version. IP67 protection must not be assumed for an unsuffixed A06B-0061-B303. Check the complete number and all modification markings on the original nameplate.\u003c\/p\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003ePre-Order Compatibility Check\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003eVerify the complete FANUC number, tapered shaft, brake requirement, brake supply and connector, βiA128 feedback, mounting dimensions, compatible servo amplifier and CNC parameters before ordering.\u003c\/p\u003e\n\u003ch4 style=\"margin: 30px 0 14px; line-height: 1.35;\"\u003e100% Tested Supply from REACO CNC\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" target=\"_blank\" title=\"Industrial Automation Components Supplier - REACO CNC\" rel=\"noopener\"\u003eREACO CNC\u003c\/a\u003e supplies the \u003cstrong\u003eFANUC A06B-0061-B303 servo motor\u003c\/strong\u003e for machine maintenance and replacement. Every available unit is \u003cstrong\u003e100% tested before shipment\u003c\/strong\u003e. Send us the original motor nameplate and connector photos if configuration assistance is required.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px; line-height: 1.75;\"\u003e\u003cstrong\u003eWorldwide DHL\/UPS\/FedEx shipping.\u003c\/strong\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 current stock, condition, price and delivery time.\u003c\/p\u003e","brand":"FANUC","offers":[{"title":"Used (90% New)","offer_id":49503808159959,"sku":"A06B-0061-B303-used","price":483.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A06B-0061-B303_Fanuc_brake_servo_motor.webp?v=1784799220","url":"https:\/\/reacocnc.com\/products\/fanuc-a06b-0061-b303","provider":"REACO CNC","version":"1.0","type":"link"}