{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "terminal-blocks",
 "name": "Screw terminal blocks: Phoenix MKDS 1,5 and MKDS 3 (5.0 / 5.08 mm), 2–6 positions",
 "kind": "standard",
 "category": "Electronics",
 "group": "Connectors",
 "year": null,
 "question": "What size is a 5.08 mm screw terminal block?",
 "tags": [
  "terminal block",
  "screw terminal",
  "connector",
  "pcb"
 ],
 "aliases": [
  "5.08mm terminal block",
  "kf301",
  "kf128",
  "mkds 1.5",
  "screw terminal dimensions",
  "phoenix terminal block"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 15,
 "url": "https://xemstudio.com/objects/terminal-blocks/",
 "sheet_txt": "https://xemstudio.com/objects/terminal-blocks/sheet.txt",
 "sheet": {
  "basis": "KiCad 3D models from Phoenix Contact drawings; generic 5.08 mm 'KF301/KF128' blocks match MKDS 1,5 closely",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "MKDS 1,5 (the common green 2–6 position block, 1.5 mm² wire, 5.08 mm pitch): 2-pos is about 10.2 × 9.4 × 10.2 mm; add 5.08 mm per position. The 5.00 mm pitch version is the metric twin.",
   "MKDS 3 (2.5 mm², 5.08 mm): taller and deeper, about 12.5 mm high. Wire enters horizontally from the board edge; leave 15 mm for the wire and screwdriver access from above.",
   "Printed enclosures: cut a slot 9.5 mm tall per block row at the board edge, 0.5 mm clearance each side."
  ],
  "table": {
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    "part",
    "bbox_l_mm",
    "bbox_w_mm",
    "bbox_h_mm"
   ],
   "rows": [
    [
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     17.3,
     10.9,
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     17.3,
     10.7,
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     17.3,
     16,
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     17.3,
     15.7,
     9.8
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     21.1,
     17.3,
     9.8
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     20.7,
     17.3,
     9.8
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     26.1,
     17.3,
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     25.7,
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     9.8
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    [
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     31.2,
     17.3,
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    [
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     30.7,
     17.3,
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    [
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     23,
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     10.7
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    [
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     23,
     15.8,
     11.2
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    [
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     23,
     20.9,
     11.2
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     26,
     23,
     11.2
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    [
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     31.1,
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 "sheet_text": "Screw terminal blocks: Phoenix MKDS 1,5 and MKDS 3 (5.0 / 5.08 mm), 2–6 positions — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/terminal-blocks/  (CC BY 4.0)\nBasis: KiCad 3D models from Phoenix Contact drawings; generic 5.08 mm 'KF301/KF128' blocks match MKDS 1,5 closely\nCatalog version: 2026-10-20\n\nSizes: see table below\n- MKDS 1,5 (the common green 2–6 position block, 1.5 mm² wire, 5.08 mm pitch): 2-pos is about 10.2 × 9.4 × 10.2 mm; add 5.08 mm per position. The 5.00 mm pitch version is the metric twin.\n- MKDS 3 (2.5 mm², 5.08 mm): taller and deeper, about 12.5 mm high. Wire enters horizontally from the board edge; leave 15 mm for the wire and screwdriver access from above.\n- Printed enclosures: cut a slot 9.5 mm tall per block row at the board edge, 0.5 mm clearance each side.\n\npart  bbox_l_mm  bbox_w_mm  bbox_h_mm\nphoenix-mkds-1-5-2-5.08-1x02-horizontal  17.3  10.9  9.8\nphoenix-mkds-1-5-2-1x02-horizontal  17.3  10.7  9.8\nphoenix-mkds-1-5-3-5.08-1x03-horizontal  17.3  16.0  9.8\nphoenix-mkds-1-5-3-1x03-horizontal  17.3  15.7  9.8\nphoenix-mkds-1-5-4-5.08-1x04-horizontal  21.1  17.3  9.8\nphoenix-mkds-1-5-4-1x04-horizontal  20.7  17.3  9.8\nphoenix-mkds-1-5-5-5.08-1x05-horizontal  26.1  17.3  9.8\nphoenix-mkds-1-5-5-1x05-horizontal  25.7  17.3  9.8\nphoenix-mkds-1-5-6-5.08-1x06-horizontal  31.2  17.3  9.8\nphoenix-mkds-1-5-6-1x06-horizontal  30.7  17.3  9.8\nphoenix-mkds-3-2-5.08-1x02-horizontal  23.0  11.2  10.7\nphoenix-mkds-3-3-5.08-1x03-horizontal  23.0  15.8  11.2\nphoenix-mkds-3-4-5.08-1x04-horizontal  23.0  20.9  11.2\nphoenix-mkds-3-5-5.08-1x05-horizontal  26.0  23.0  11.2\nphoenix-mkds-3-6-5.08-1x06-horizontal  31.1  23.0  11.2\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- KiCad: kicad-packages3D library (origin of these files) — STEP, WRL — CC BY-SA 4.0 with KiCad exception — https://gitlab.com/kicad/libraries/kicad-packages3D\n\nFree files (CC BY-SA 4.0 (KiCad library license, with the KiCad exception), KiCad library contributors; STEP + STL, 15 parts): https://xemstudio.com/files/kicad/terminal-blocks/index.json\nAPI: https://xemstudio.com/api/geometry?object=terminal-blocks\n",
 "sources": [
  {
   "publisher": "KiCad",
   "title": "kicad-packages3D library (origin of these files)",
   "url": "https://gitlab.com/kicad/libraries/kicad-packages3D",
   "formats": [
    "STEP",
    "WRL"
   ],
   "license": "CC BY-SA 4.0 with KiCad exception",
   "license_verified": true,
   "hosted": true
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "relays-tht",
  "jst-connectors",
  "din-rail-35mm",
  "panel-cutouts"
 ],
 "faq": [
  {
   "q": "What is the pitch of the green screw terminal blocks?",
   "a": "5.08 mm (0.2 in) for the common ones (MKDS 1,5/5.08, KF301); 5.00 mm metric and 3.5 / 3.81 / 2.54 mm versions exist and don't interchange."
  },
  {
   "q": "How tall is a 5.08 mm terminal block?",
   "a": "About 10.2 mm for MKDS 1,5 (1.5 mm²), 12.5 mm for MKDS 3 (2.5 mm²); width is 5.08 mm per position plus 0.1."
  }
 ],
 "files_license": {
  "name": "CC BY-SA 4.0 (KiCad library license, with the KiCad exception)",
  "holder": "KiCad library contributors",
  "url": "https://www.kicad.org/libraries/license/",
  "note": "Rehosted unmodified (STL converted from the STEP) with the library's LICENSE.md and CREDITS.md beside the files, as the license requires. Using these models in your own design does not make your design share-alike (KiCad exception)."
 },
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}