{
  "url": "https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-regulations-2021/schedule-16/paragraph-5",
  "json_url": "https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-regulations-2021/schedule-16/paragraph-5.json",
  "legislation": "ukdsi/2021/9780348222920",
  "legislation_title": "The Ecodesign for Energy-Related Products and Energy Information Regulations 2021",
  "legislation_url": "https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-regulations-2021",
  "path": "schedule/16/paragraph/5",
  "kind": "paragraph",
  "number": "5",
  "heading": "Energy efficiency requirements for motors",
  "text": "The minimum efficiency of 60 Hz motors at a rated power not provided in Tables 24 to 26 must be determined as follows—\n(a) the efficiency of a rated power at, or above, the midpoint between two consecutive values in the tables is the highest of the two efficiencies;\n(b) the efficiency of a rated power below the midpoint between two consecutive values in the tables is the lowest of the two efficiencies.\nTable 27\nInterpolation coefficients for motors with rated power output P from 0.12 kW up to 0.55 kW\nIE code\nCoefficients\n2 poles\n4 poles\n6 poles\n8 poles\nIE2\nA\n22.4864\n17.2751\n-15.9218\n6.4855\nB\n27.7603\n23.978\n-30.258\n9.4748\nC\n37.8091\n35.5822\n16.6861\n36.852\nD\n82.458\n84.9935\n79.1838\n70.762\nIE3\nA\n6.8532\n7.6356\n-17.361\n-0.5896\nB\n6.2006\n4.8236\n-44.538\n-25.526\nC\n25.1317\n21.0903\n-3,0554\n4.2884\nD\n84.0392\n86.0998\n79.1318\n75.831\nIE4\nA\n-8.8538\n8.432\n-13.0355\n-4.9735\nB\n-20.3352\n2.6888\n-36.9497\n-21.453\nC\n8.9002\n14.6236\n-4.3621\n2.6653\nD\n85.0641\n87.6153\n82.0009\n79.055\nTable 28\nInterpolation coefficients for motors with rated power output P from 0.75 kW up to 200 kW\nIE code\nCoefficients\n2 poles\n4 poles\n6 poles\n8 poles\nIE2\nA\n0.2972\n0.0278\n0.0148\n2.1311\nB\n-3.3454\n-1.9247\n-2.4978\n-12.029\nC\n13.0651\n10.4395\n13.247\n26.719\nD\n79.077\n80.9761\n77.5603\n69.735\nIE3\nA\n0.3569\n0.0773\n0.1252\n0.7189\nB\n-3.3076\n-1.8951\n-2.613\n-5.1678\nC\n11.6108\n9.2984\n11.9963\n15.705\nD\n82.2503\n83.7025\n80.4769\n77.074\nIE4\nA\n0.34\n0.2412\n0.3598\n0.6556\nB\n-3.0479\n-2.3608\n-3.2107\n-4.7229\nC\n10.293\n8.446\n10.7933\n13.977\nD\n84.8208\n86,8321\n84.107\n80.247",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukdsi/2021/9780348222920/schedule/16/paragraph/5",
    "retrieved_at": "2026-10-30T14:47:21.902040+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}