{
 "id": "mo-maxon-ec-i-40-70w-449470",
 "name": "maxon EC-i 40, 70 W, 36 V, Hall sensors",
 "subcategory": "precision-dc-bldc",
 "brand": "maxon",
 "mpn": "449470",
 "summary": "40 mm internal-rotor brushless motor with high torque density, used in compact robot joints and exoskeleton drives.",
 "maker": {
  "name": "maxon",
  "country": "CH",
  "role": "brand"
 },
 "made_in": "unknown",
 "specs": {
  "od_mm": {
   "label": "Diameter",
   "value": "40 mm",
   "num": 40,
   "unit": "mm"
  },
  "voltage_v": {
   "label": "Nominal voltage",
   "value": "36 V",
   "num": 36,
   "unit": "V"
  },
  "nominal_torque_mnm": {
   "label": "Nominal torque",
   "value": "84.8 mNm",
   "num": 84.8,
   "unit": "mNm"
  },
  "no_load_speed_rpm": {
   "label": "No-load speed",
   "value": "10,700 rpm",
   "num": 10700,
   "unit": "rpm"
  },
  "power_w": {
   "label": "Power rating",
   "value": "70 W",
   "num": 70,
   "unit": "W"
  },
  "mass_g": {
   "label": "Weight",
   "value": "240 g",
   "num": 240,
   "unit": "g"
  },
  "stall_torque_mnm": {
   "label": "Stall torque",
   "value": "728 mNm",
   "num": 728,
   "unit": "mNm"
  },
  "nominal_current_a": {
   "label": "Nominal current",
   "value": "2.47 A",
   "num": 2.47,
   "unit": "A"
  }
 },
 "price": [
  {
   "qty": 1,
   "usd": 343.44,
   "kind": "list",
   "source": "https://www.maxongroup.us/maxon/view/product/motor/ecmotor/EC-i/449470",
   "as_of": "2026-10-29"
  }
 ],
 "moq": 1,
 "lead_time": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": ""
 },
 "links": {
  "product": "https://www.maxongroup.us/maxon/view/product/motor/ecmotor/EC-i/449470",
  "datasheet": "https://www.maxongroup.us/medias/sys_master/root/9406692065310/Cataloge-Page-EN-308.pdf",
  "cad": "https://www.maxongroup.us/maxon/view/product/motor/ecmotor/EC-i/449470"
 },
 "equivalents": [
  "mo-maxon-ec45-flat-70w-397172"
 ],
 "pairs_with": [
  "mo-elmo-gold-whistle-20-100"
 ],
 "maglev": {
  "custom": "Shenzhen hollow-cup and BLDC makers in Maglev's directory (RBT Motor, Constar, Hengdrive, Wanzhida) list custom motors; none benchmarked against this part.",
  "directory_ref": null
 },
 "sources": [
  {
   "url": "https://www.maxongroup.us/maxon/view/product/motor/ecmotor/EC-i/449470",
   "what": "specs, USD list price, STEP CAD offered"
  }
 ],
 "confidence": "VERIFIED",
 "category": "motors",
 "subcategory_title": "Small Precision DC & BLDC Motors",
 "icon": "outrunner",
 "image": {
  "url": "https://parts.trymaglev.com/img/mo-maxon-ec-i-40-70w-449470.webp",
  "thumb": "https://parts.trymaglev.com/img/t/mo-maxon-ec-i-40-70w-449470.webp",
  "source_image": "https://www.maxongroup.com/medias/sys_master/root/8806893617182/EC-i-40-40-BL-70W-2WE-KR-Version-mSensor-Detail.jpg",
  "source_page": "https://www.maxongroup.us/maxon/view/product/motor/ecmotor/EC-i/449470",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-29"
 },
 "origin": {
  "code": "CH",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "8501.31.20.00",
  "typical": true,
  "key": "dc-motors-37.5-74.6w",
  "basis": "rated output 70 W",
  "confidence": "high"
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 40.3,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 15.3,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 12.8,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": 12.8,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/mo-maxon-ec-i-40-70w-449470/",
 "markdown": "https://parts.trymaglev.com/p/mo-maxon-ec-i-40-70w-449470/index.md",
 "equivalents_detail": [
  {
   "id": "mo-maxon-ec45-flat-70w-397172",
   "name": "maxon EC 45 flat 70 W, 24 V, Hall sensors",
   "brand": "maxon",
   "mpn": "397172",
   "category": "motors",
   "subcategory": "precision-dc-bldc",
   "summary": "42.8 mm flat brushless outrunner with Hall sensors, a common pick for compact high-torque joints and gripper drives; marked NRND by maxon.",
   "origin": "CH",
   "origin_basis": "hq",
   "price_usd": 204.12,
   "price_qty": 1,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/mo-maxon-ec45-flat-70w-397172.webp",
   "url": "https://parts.trymaglev.com/p/mo-maxon-ec45-flat-70w-397172/",
   "json": "https://parts.trymaglev.com/api/parts/mo-maxon-ec45-flat-70w-397172.json"
  }
 ],
 "pairs_with_detail": [
  {
   "id": "mo-elmo-gold-whistle-20-100",
   "name": "Elmo Gold Whistle 20/100 Servo Drive",
   "brand": "Elmo Motion Control",
   "mpn": "unknown",
   "category": "motors",
   "subcategory": "drivers",
   "summary": "PCB-mount 55 x 46 mm Gold-family servo drive running from a single 12-95 V supply, 1.6 kW continuous in the 20/100 rating, with STO and EtherCAT/CANopen.",
   "origin": "IL",
   "origin_basis": "hq",
   "price_usd": null,
   "price_qty": null,
   "ndaa": "unknown",
   "blue_uas": "unknown",
   "image": "https://parts.trymaglev.com/img/mo-elmo-gold-whistle-20-100.webp",
   "url": "https://parts.trymaglev.com/p/mo-elmo-gold-whistle-20-100/",
   "json": "https://parts.trymaglev.com/api/parts/mo-elmo-gold-whistle-20-100.json"
  }
 ]
}