{
 "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": "wago-221-lever-connectors",
 "name": "WAGO 221 lever connectors 221-412, 221-413, 221-415: width, height, depth, strip length, wire range",
 "kind": "standard",
 "category": "Electronics",
 "group": "Wiring & connectors",
 "year": null,
 "question": "What are the dimensions of a WAGO 221-412, 221-413 or 221-415 lever nut, and how much wire do I strip?",
 "tags": [
  "wago",
  "221",
  "lever nut",
  "splice connector",
  "wire connector",
  "lever connector",
  "electrical"
 ],
 "aliases": [
  "wago 221 dimensions",
  "wago 221-412 size",
  "wago 221-413 size",
  "wago 221-415 dimensions",
  "lever nut dimensions",
  "wago lever nut size",
  "wago 221 strip length",
  "wago 221 width",
  "wago 221 enclosure size",
  "lever connector size",
  "wago 221 mounting",
  "221-412 dimensions mm"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/wago-221-lever-connectors/",
 "sheet_txt": "https://xemstudio.com/objects/wago-221-lever-connectors/sheet.txt",
 "sheet": {
  "basis": "WAGO 221 series data sheet and the 221-412 data sheet; widths of 413 / 415 from the unlabelled series table (first column); McMaster-Carr linked for CAD",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "The 221 series is WAGO's compact lever-operated splicing connector (the one electricians call a 'lever nut'). 221-412 is two conductors, 221-413 three, 221-415 five. Rated 450 V / 4 kV / 2 and 32 A on the data sheet; 100 % transparent housing with test slots; strip length 11 mm (0.43 in); weight 1.6 g (221-412).",
   "Conductors: solid and stranded 0.2 to 4 mm² (24 to 12 AWG); fine-stranded 0.14 to 4 mm².",
   "Dimensions: the 221-412 data sheet labels width 13.1 mm, height 8.3 mm and depth 18.6 mm. The series sheet lists 13.1 / 8.3 / 18.6 (412), 18.7 / 8.3 / 18.6 (413) and 29.9 / 8.3 / 18.6 (415) in three unlabelled columns; the first column grows with the conductor count and equals the 412's labelled width, so it is read as the width. The lever, test slots and conductor entries are not drawn in the numbers.",
   "Left out: the 221-2411 / -2413 / -2415 (inline splicing) and 221-612 / 613 / 615 (with inline), the 222 series, and enclosure/mounting accessories. Anderson Powerpole housings were not tabulated: the manufacturer's drawing labels were not readable in the copies reached (the Anderson page itself lists 20 to 10 AWG wire and up to 45 A, no dimensions). No files: a block with levers is not defined by the three numbers.",
   "McMaster-Carr's lever nut category is linked below."
  ],
  "table": {
   "columns": [
    "model",
    "conductors",
    "width, mm",
    "height, mm",
    "depth, mm"
   ],
   "rows": [
    [
     "221-412",
     "2",
     "13.1",
     "8.3",
     "18.6"
    ],
    [
     "221-413",
     "3",
     "18.7",
     "8.3",
     "18.6"
    ],
    [
     "221-415",
     "5",
     "29.9",
     "8.3",
     "18.6"
    ]
   ]
  }
 },
 "sheet_text": "WAGO 221 lever connectors 221-412, 221-413, 221-415: width, height, depth, strip length, wire range — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/wago-221-lever-connectors/  (sheet CC BY 4.0)\nBasis: WAGO 221 series data sheet and the 221-412 data sheet; widths of 413 / 415 from the unlabelled series table (first column); McMaster-Carr linked for CAD\nCatalog version: 2026-10-20\n\nSizes: see table below\n- The 221 series is WAGO's compact lever-operated splicing connector (the one electricians call a 'lever nut'). 221-412 is two conductors, 221-413 three, 221-415 five. Rated 450 V / 4 kV / 2 and 32 A on the data sheet; 100 % transparent housing with test slots; strip length 11 mm (0.43 in); weight 1.6 g (221-412).\n- Conductors: solid and stranded 0.2 to 4 mm² (24 to 12 AWG); fine-stranded 0.14 to 4 mm².\n- Dimensions: the 221-412 data sheet labels width 13.1 mm, height 8.3 mm and depth 18.6 mm. The series sheet lists 13.1 / 8.3 / 18.6 (412), 18.7 / 8.3 / 18.6 (413) and 29.9 / 8.3 / 18.6 (415) in three unlabelled columns; the first column grows with the conductor count and equals the 412's labelled width, so it is read as the width. The lever, test slots and conductor entries are not drawn in the numbers.\n- Left out: the 221-2411 / -2413 / -2415 (inline splicing) and 221-612 / 613 / 615 (with inline), the 222 series, and enclosure/mounting accessories. Anderson Powerpole housings were not tabulated: the manufacturer's drawing labels were not readable in the copies reached (the Anderson page itself lists 20 to 10 AWG wire and up to 45 A, no dimensions). No files: a block with levers is not defined by the three numbers.\n- McMaster-Carr's lever nut category is linked below.\n\nmodel  conductors  width, mm  height, mm  depth, mm\n221-412  2  13.1  8.3  18.6\n221-413  3  18.7  8.3  18.6\n221-415  5  29.9  8.3  18.6\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- WAGO (ews.uk.com copy): 221 series compact lever connectors 221-412 / 413 / 415: dimensions, strip length, conductor ranges — web — Publisher's page; dimensions are facts — https://www.ews.uk.com/pdf/221_Series_-_60267692.pdf\n- WAGO (aurora2 copy): 221-412 data sheet: width 13.1, height 8.3, depth 18.6, strip 11 mm, 1.6 g — web — Publisher's page; dimensions are facts — https://aurora2.versantus.co.uk/sites/default/files/221-412.pdf\n- McMaster-Carr: Lever nuts (lever wire connectors) (free STEP/IGES per part, for your own design use; no redistribution) — STEP, IGES, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/products/lever-nuts/\n\nNo true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.\nAPI: https://xemstudio.com/api/geometry?object=wago-221-lever-connectors\n",
 "sources": [
  {
   "publisher": "WAGO (ews.uk.com copy)",
   "title": "221 series compact lever connectors 221-412 / 413 / 415: dimensions, strip length, conductor ranges",
   "url": "https://www.ews.uk.com/pdf/221_Series_-_60267692.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "WAGO (aurora2 copy)",
   "title": "221-412 data sheet: width 13.1, height 8.3, depth 18.6, strip 11 mm, 1.6 g",
   "url": "https://aurora2.versantus.co.uk/sites/default/files/221-412.pdf",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "McMaster-Carr",
   "title": "Lever nuts (lever wire connectors) (free STEP/IGES per part, for your own design use; no redistribution)",
   "url": "https://www.mcmaster.com/products/lever-nuts/",
   "formats": [
    "STEP",
    "IGES",
    "PDF"
   ],
   "license": "McMaster-Carr site terms: personal design use, no redistribution",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "terminal-blocks",
  "pluggable-terminal-blocks",
  "ring-tongue-terminals-by-stud-and-wire",
  "faston-quick-connect-tabs",
  "device-boxes-us",
  "din-rail-35mm",
  "heat-shrink-tubing-sizes"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no tolerance added)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no tolerance added. 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. Typical accuracy by process and ISO 286 fits: https://xemstudio.com/tolerances/",
 "mating": [
  {
   "feature": "strip length",
   "exact": "11 mm (0.43 in)",
   "mates": "conductor 0.14 to 4 mm² (24 to 12 AWG)",
   "fit": "designed",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. ISO 286 equivalent: H7/p6 (locational interference) or tighter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. ISO 286 equivalent: H7/g6 or H7/h6.",
  "run": "turns or slides in use: pin in a link, rod through a guide. ISO 286 equivalent: H8/f7 (close running).",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. ISO 286 equivalent: H9/d9 (free running) or looser.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "How big is a WAGO 221-413?",
   "a": "18.7 mm wide, 8.3 mm high, 18.6 mm deep (series table)."
  },
  {
   "q": "How much do I strip for a WAGO 221?",
   "a": "11 mm (0.43 in)."
  },
  {
   "q": "What wire does a WAGO 221 take?",
   "a": "0.2 to 4 mm² solid or stranded (24 to 12 AWG); 0.14 to 4 mm² fine-stranded."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/wago-221-lever-connectors/index.md"
}