{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "amass-ec3-connector-male",
 "name": "Amass EC3 connector (male / plug, EC3-M)",
 "kind": "modern",
 "category": "RC planes",
 "group": "Connectors",
 "year": null,
 "question": "What are the dimensions of the Amass EC3 connector?",
 "tags": [
  "rc plane",
  "rc airplane",
  "radio control",
  "model aircraft",
  "connectors"
 ],
 "aliases": [
  "ec3 male dimensions",
  "ec3 connector size",
  "ec3 connector mm",
  "ec3 3.5mm",
  "e-flite ec3 plug size",
  "ec3 housing dimensions",
  "conector ec3 medidas",
  "ec3 stecker abmessungen"
 ],
 "overall_mm": {
  "length": 16.5,
  "width": 7.5,
  "height": 16
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/amass-ec3-connector-male/",
 "sheet_txt": "https://xemstudio.com/objects/amass-ec3-connector-male/sheet.txt",
 "sheet": {
  "basis": "Secondary source: Electrokit (retailer) (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 16.5,
   "width": 7.5,
   "height": 16
  },
  "notes": [
   "Retailer listing of Amass EC3 (secondary). The three numbers are printed without saying which is length, width or height; the box keeps the printed order.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so.",
   "Secondary source: the numbers come from a retailer or magazine copy of the maker's specification."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Dimensions",
     "16.5 × 7.5 × 16 mm"
    ],
    [
     "Pin / jack",
     "Ø3.5 mm"
    ],
    [
     "Rated current",
     "25 A continuous (50 A momentary)"
    ],
    [
     "Weight",
     "2.5 g"
    ],
    [
     "Rated voltage",
     "500 VDC"
    ],
    [
     "Recommended wire",
     "AWG 14–11 (2.5–4 mm²)"
    ],
    [
     "Contact resistance",
     "0.6 mΩ"
    ],
    [
     "MPN",
     "EC3-M"
    ]
   ]
  }
 },
 "sheet_text": "Amass EC3 connector (male / plug, EC3-M) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/amass-ec3-connector-male/  (sheet CC BY 4.0)\nBasis: Secondary source: Electrokit (retailer) (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 16.5, width 7.5, height 16\n- Retailer listing of Amass EC3 (secondary). The three numbers are printed without saying which is length, width or height; the box keeps the printed order.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.\n\ndimension  value\nDimensions  16.5 × 7.5 × 16 mm\nPin / jack  Ø3.5 mm\nRated current  25 A continuous (50 A momentary)\nWeight  2.5 g\nRated voltage  500 VDC\nRecommended wire  AWG 14–11 (2.5–4 mm²)\nContact resistance  0.6 mΩ\nMPN  EC3-M\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Electrokit (retailer): EC3 25A male — web — Publisher's page; dimensions are facts — https://www.electrokit.com/en/stromkontakt-ec3-25a-hane\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/amass-ec3-connector-male/index.json\nAPI: https://xemstudio.com/api/geometry?object=amass-ec3-connector-male\n",
 "sources": [
  {
   "publisher": "Electrokit (retailer)",
   "title": "EC3 25A male",
   "url": "https://www.electrokit.com/en/stromkontakt-ec3-25a-hane",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "rc-lipo-batteries",
  "amass-ec3-connector-female"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "What pin size is EC3?",
   "a": "Ø3.5 mm, rated 25 A continuous."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "amass-ec3-connector-male-envelope",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/amass-ec3-connector-male/amass-ec3-connector-male-envelope.step",
   "stl": "https://xemstudio.com/files/hardware/amass-ec3-connector-male/amass-ec3-connector-male-envelope.stl",
   "note": "Envelope 16.5 × 7.5 × 16 mm (Single connector housing, dimensions as printed (axis order not labelled))"
  }
 ],
 "markdown": "https://xemstudio.com/objects/amass-ec3-connector-male/index.md"
}