{"product_id":"emax-es9054ii-high-voltage-magnetic-encoder-servo","title":"EMAX ES9054II High Voltage Magnetic Encoder Servo","description":"\u003cstyle\u003e\n    .emxes9054ii{--red:#e31b23;--red2:#ff474d;--ink:#070809;--panel:#0d1014;--panel2:#12161b;--line:#2a3038;--muted:#a9b0ba;--white:#f7f8fa;background:var(--ink);color:var(--white);border:1px solid #1b2026;font-family:Arial,Helvetica,sans-serif;line-height:1.55;overflow:hidden;isolation:isolate}.emxes9054ii *{box-sizing:border-box}.emxes9054ii img{display:block;width:100%;height:auto}.emxes9054ii h2,.emxes9054ii h3,.emxes9054ii h4{margin:0;color:#fff;line-height:1.08}.emxes9054ii h2{font-size:clamp(38px,6.2vw,76px);letter-spacing:-.035em}.emxes9054ii h3{font-size:clamp(27px,4vw,46px);letter-spacing:-.025em}.emxes9054ii h4{font-size:17px}.emxes9054ii p{margin:0;color:#c8cdd4}.emxes9054ii .wrap{width:min(1180px,100%);margin:auto;padding:0 28px}.emxes9054ii .section{padding:70px 0;border-top:1px solid var(--line)}.emxes9054ii 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.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.emxes9054ii table{width:100%;border-collapse:collapse;background:#0b0e11}.emxes9054ii th,.emxes9054ii td{padding:13px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}.emxes9054ii th{background:#171b20;color:#fff;font-size:11px;letter-spacing:.08em;text-transform:uppercase}.emxes9054ii td{color:#cbd0d7;font-size:14px}.emxes9054ii tbody tr:nth-child(even) td{background:#0f1216}.emxes9054ii .checklist{margin:0;padding:0;list-style:none}.emxes9054ii .checklist li{position:relative;padding:15px 14px 15px 42px;border:1px solid var(--line);border-bottom:0;background:#0d1014;color:#dce0e5;font-size:14px}.emxes9054ii .checklist li:last-child{border-bottom:1px solid var(--line)}.emxes9054ii .checklist li:before{content:\"✓\";position:absolute;left:16px;color:var(--red2);font-weight:900}.emxes9054ii .warning{margin-top:14px;padding:17px;border:1px solid #583236;background:#171012;color:#d8c6c7;font-size:12px}\n    .emxes9054ii details{border:1px solid var(--line);border-bottom:0;background:#0d1014}.emxes9054ii details:last-child{border-bottom:1px solid var(--line)}.emxes9054ii summary{cursor:pointer;padding:17px 48px 17px 18px;color:#fff;font-weight:700;list-style:none;position:relative}.emxes9054ii summary::-webkit-details-marker{display:none}.emxes9054ii summary:after{content:\"+\";position:absolute;right:18px;color:var(--red2);font-size:22px;line-height:1}.emxes9054ii details[open] summary:after{content:\"–\"}.emxes9054ii details p{padding:0 18px 18px;font-size:13px;line-height:1.7}.emxes9054ii .foot{padding:25px 0;border-top:1px solid var(--line);background:#050607}.emxes9054ii .foot p{font-size:12px;color:#838b96}\n    @media(max-width:860px){.emxes9054ii .hero,.emxes9054ii .hero\u003eimg{min-height:560px}.emxes9054ii .hero-copy{width:55vw}.emxes9054ii .decision,.emxes9054ii .specgrid{grid-template-columns:1fr}.emxes9054ii .proofbar,.emxes9054ii .fitgrid{grid-template-columns:repeat(2,1fr)}.emxes9054ii .section{padding:52px 0}}\n    @media(max-width:640px){.emxes9054ii .hero{display:flex;flex-direction:column}.emxes9054ii .hero\u003eimg{order:2;min-height:300px;object-position:66% center}.emxes9054ii .hero:after{display:none}.emxes9054ii .hero-copy{position:relative;left:auto;top:auto;width:auto;transform:none;padding:48px 20px 34px;background:linear-gradient(145deg,#111419,#070809)}.emxes9054ii .voltage,.emxes9054ii .benefits{grid-template-columns:1fr}.emxes9054ii .wrap{padding:0 18px}}\n    @media(max-width:460px){.emxes9054ii .proofbar,.emxes9054ii .fitgrid{grid-template-columns:1fr}.emxes9054ii th,.emxes9054ii td{padding:10px;font-size:12px}}\n  \u003c\/style\u003e\n\u003cdiv class=\"emxes9054ii\"\u003e\n\u003cheader class=\"hero\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-694819b1-546b-41c5-8946-dd57ab9160f4.png?v=1788216288\" alt=\"EMAX ES9054II high voltage magnetic encoder digital servo\" loading=\"eager\"\u003e\n\u003cdiv class=\"hero-copy\"\u003e\n\u003cdiv class=\"series\"\u003eEMAX \/ PRECISION SERVO\u003c\/div\u003e\n\u003ch2\u003eControl that \u003cspan\u003ereturns to center.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe EMAX ES9054II combines contactless magnetic-encoder feedback, an all-metal case and gear train, and 6.0–8.4V operation for fast, repeatable control in RC helicopters, fixed-wing aircraft and robotic mechanisms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/header\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"proofbar\"\u003e\n\u003cdiv class=\"proof\"\u003e\n\u003csmall\u003eMaximum torque\u003c\/small\u003e\u003cstrong\u003e25 kgf·cm\u003c\/strong\u003e\u003cspan\u003eAt 8.4V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"proof\"\u003e\n\u003csmall\u003eMaximum speed\u003c\/small\u003e\u003cstrong\u003e0.09 sec\u003c\/strong\u003e\u003cspan\u003ePer 60° at 8.4V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"proof\"\u003e\n\u003csmall\u003eFeedback\u003c\/small\u003e\u003cstrong\u003eMagnetic\u003c\/strong\u003e\u003cspan\u003eContactless encoder\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"proof\"\u003e\n\u003csmall\u003eHV range\u003c\/small\u003e\u003cstrong\u003e6.0–8.4V\u003c\/strong\u003e\u003cspan\u003e2S-capable system range\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"decision\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"eyebrow\"\u003e01 \/ Performance by voltage\u003c\/div\u003e\n\u003ch3\u003eKnow exactly what the servo delivers.\u003c\/h3\u003e\n\u003cp class=\"lede\"\u003eTorque and transit speed are paired at each rated voltage so you can match the ES9054II to your power system without guessing.\u003c\/p\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cb\u003ePower-system check:\u003c\/b\u003e Size the receiver, BEC, wiring and battery path for the servo's approximately 4.0–5.5A stall-current reference range.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"voltage\"\u003e\n\u003cdiv class=\"vcard\"\u003e\n\u003cb\u003e6.0V\u003c\/b\u003e\u003cem\u003eStandard HV entry\u003c\/em\u003e\n\u003cdiv class=\"metric\"\u003e\n\u003cspan\u003eStall torque\u003c\/span\u003e\u003cstrong\u003e18 kgf·cm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"metric\"\u003e\n\u003cspan\u003eTransit speed\u003c\/span\u003e\u003cstrong\u003e0.12 sec\/60°\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vcard\"\u003e\n\u003cb\u003e7.4V\u003c\/b\u003e\u003cem\u003e2S nominal\u003c\/em\u003e\n\u003cdiv class=\"metric\"\u003e\n\u003cspan\u003eStall torque\u003c\/span\u003e\u003cstrong\u003e22 kgf·cm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"metric\"\u003e\n\u003cspan\u003eTransit speed\u003c\/span\u003e\u003cstrong\u003e0.10 sec\/60°\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vcard\"\u003e\n\u003cb\u003e8.4V\u003c\/b\u003e\u003cem\u003eFull rated output\u003c\/em\u003e\n\u003cdiv class=\"metric\"\u003e\n\u003cspan\u003eStall torque\u003c\/span\u003e\u003cstrong\u003e25 kgf·cm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"metric\"\u003e\n\u003cspan\u003eTransit speed\u003c\/span\u003e\u003cstrong\u003e0.09 sec\/60°\u003c\/strong\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\u003csection class=\"section\" style=\"background: #090b0e;\"\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"eyebrow\"\u003e02 \/ Magnetic encoder feedback\u003c\/div\u003e\n\u003ch3\u003ePrecision without a contact-wear feedback track.\u003c\/h3\u003e\n\u003cp class=\"lede\"\u003eInstead of relying on a conventional contact potentiometer for position sensing, the ES9054II uses a non-contact magnetic encoder. It is designed to maintain consistent centering through vibration and long operating cycles while reducing wear-related position changes.\u003c\/p\u003e\n\u003cfigure class=\"media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0371\/2814\/2907\/files\/exec-d2a71820-72e2-4fa7-b1d4-352c8f3ceed6.png?v=1788216302\" alt=\"Conceptual illustration of EMAX ES9054II magnetic encoder positioning and repeatable return to center\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cdiv class=\"benefits\"\u003e\n\u003cdiv class=\"benefit\"\u003e\n\u003ci\u003e01\u003c\/i\u003e\n\u003ch4\u003eRepeatable centering\u003c\/h4\u003e\n\u003cp\u003ePrecise position feedback supports consistent return-to-center behavior for demanding control loops.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit\"\u003e\n\u003ci\u003e02\u003c\/i\u003e\n\u003ch4\u003eVibration-ready sensing\u003c\/h4\u003e\n\u003cp\u003eContactless feedback is well suited to helicopter and aircraft environments with persistent vibration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"benefit\"\u003e\n\u003ci\u003e03\u003c\/i\u003e\n\u003ch4\u003eLong-cycle confidence\u003c\/h4\u003e\n\u003cp\u003eNo sliding feedback contact means one less wear surface in repeated-motion applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"eyebrow\"\u003e03 \/ Application fit\u003c\/div\u003e\n\u003ch3\u003eOne standard-size servo. Multiple precision-control roles.\u003c\/h3\u003e\n\u003cdiv class=\"fitgrid\"\u003e\n\u003cdiv class=\"fit\"\u003e\n\u003cb\u003eRC helicopter tail\u003c\/b\u003e\u003cspan\u003eFast correction speed and stable centering for tail-control applications.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fit\"\u003e\n\u003cb\u003eFixed-wing aircraft\u003c\/b\u003e\u003cspan\u003eStrong holding torque for larger primary control surfaces.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fit\"\u003e\n\u003cb\u003eRobotic joints\u003c\/b\u003e\u003cspan\u003e180° or full-range 360° positional control for articulated mechanisms.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"fit\"\u003e\n\u003cb\u003eCustom automation\u003c\/b\u003e\u003cspan\u003eStandard PWM input and all-metal construction for repeated motion.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\" style=\"background: #090b0e;\"\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"eyebrow\"\u003e04 \/ Specifications and fitment\u003c\/div\u003e\n\u003ch3\u003eCheck the electrical and mechanical interface before ordering.\u003c\/h3\u003e\n\u003cdiv class=\"specgrid\" style=\"margin-top: 28px;\"\u003e\n\u003cdiv class=\"scroll\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eServo type\u003c\/th\u003e\n\u003ctd\u003eMagnetic encoder \/ brushed \/ digital \/ all-metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e6.0–8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeed at 6.0 \/ 7.4 \/ 8.4V\u003c\/th\u003e\n\u003ctd\u003e0.12 \/ 0.10 \/ 0.09 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStall torque at 6.0 \/ 7.4 \/ 8.4V\u003c\/th\u003e\n\u003ctd\u003e18 \/ 22 \/ 25 kgf·cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStall current\u003c\/th\u003e\n\u003ctd\u003eApprox. 4.0–5.5A typical reference range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRotation\u003c\/th\u003e\n\u003ctd\u003e180° ±2°; supports 360° full-range positional control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePWM range\u003c\/th\u003e\n\u003ctd\u003e500–2500μs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003ctd\u003eJR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput spline\u003c\/th\u003e\n\u003ctd\u003e23T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eApprox. 40 × 20 × 38.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e72 ±1g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul class=\"checklist\"\u003e\n\u003cli\u003eConfirm 23T horn compatibility\u003c\/li\u003e\n\u003cli\u003eConfirm the servo bay accepts a 40 × 20 mm standard footprint\u003c\/li\u003e\n\u003cli\u003eConfirm receiver\/BEC voltage does not exceed 8.4V\u003c\/li\u003e\n\u003cli\u003eConfirm the power path can support servo peak current\u003c\/li\u003e\n\u003cli\u003eCenter electronically before installing the horn\u003c\/li\u003e\n\u003cli\u003eSet travel endpoints to avoid mechanical binding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"warning\"\u003e\n\u003cb\u003eImportant:\u003c\/b\u003e “360° positional control” is not the same as uncontrolled continuous rotation. The controller must support the required pulse range and position mode.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cdiv class=\"eyebrow\"\u003e05 \/ Compatibility FAQ\u003c\/div\u003e\n\u003ch3\u003eAnswers before installation.\u003c\/h3\u003e\n\u003cdiv style=\"margin-top: 26px;\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill it work with a standard PWM receiver?\u003c\/summary\u003e\n\u003cp\u003eYes. The ES9054II uses a JR connector and standard 500–2500μs PWM control. Confirm the receiver or controller supports the travel range required by your setup.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I run it from a 2S LiPo system?\u003c\/summary\u003e\n\u003cp\u003eThe 6.0–8.4V rating covers the nominal and fully charged voltage of a 2S LiPo system. The receiver, BEC, wiring and every connected device must also be rated for the selected voltage and current demand.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the practical benefit of the magnetic encoder?\u003c\/summary\u003e\n\u003cp\u003eThe contactless position sensor avoids the sliding feedback contact used in a conventional potentiometer. That supports consistent centering under vibration and repeated motion while reducing one source of wear-related drift.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the ES9054II brushless?\u003c\/summary\u003e\n\u003cp\u003eNo. The verified product specification identifies a brushed motor with digital control, a magnetic encoder, metal gears and an all-metal housing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is included?\u003c\/summary\u003e\n\u003cp\u003eOne ES9054II servo, a servo-horn and mounting-hardware kit, and a user instruction manual.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter class=\"foot\"\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cp\u003e\u003cb\u003eInstallation note:\u003c\/b\u003e Published torque, speed and current values are reference specifications measured under defined test conditions. Actual response, holding performance, temperature and current draw depend on supply voltage, linkage geometry, mechanical load, endpoint settings, airflow and power-system capability. Avoid binding the linkage or stalling the servo for extended periods.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Emax USA","offers":[{"title":"Default Title","offer_id":49376431505547,"sku":"0102007013","price":39.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/2200\/1803\/files\/9054_3.png?v=1789587549","url":"https:\/\/webleedfpv.com\/products\/emax-es9054ii-high-voltage-magnetic-encoder-servo","provider":"weBLEEDfpv","version":"1.0","type":"link"}