{
  "category": "Dry-Type Transformers",
  "vertical": "electrical-distribution",
  "source": "https://getclaro.ai/resources/attribute-library/electrical-distribution/transformers/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "kva_rating",
      "label": "kVA Rating",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "kVA",
      "example_format": "112.5"
    },
    {
      "key": "phase",
      "label": "Phase",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Three-phase"
    },
    {
      "key": "primary_voltage",
      "label": "Primary Voltage",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": "V",
      "example_format": "480 V Delta"
    },
    {
      "key": "secondary_voltage",
      "label": "Secondary Voltage",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": "V",
      "example_format": "208Y/120 V"
    },
    {
      "key": "temperature_rise",
      "label": "Temperature Rise",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": "°C",
      "example_format": "150 °C"
    },
    {
      "key": "enclosure_nema_rating",
      "label": "Enclosure / NEMA Rating",
      "group": "technical",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "NEMA 3R"
    },
    {
      "key": "construction_class",
      "label": "Construction Class",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Ventilated"
    },
    {
      "key": "mounting",
      "label": "Mounting",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Floor"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "DT3-112-480D-208Y-150"
    },
    {
      "key": "impedance_z",
      "label": "Impedance (%Z)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "%",
      "example_format": "4.0"
    },
    {
      "key": "primary_taps",
      "label": "Primary Taps",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "text",
      "unit": null,
      "example_format": "6 x 2.5% (2 FCAN, 4 FCBN)"
    },
    {
      "key": "sound_level",
      "label": "Sound Level",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "dB(A)",
      "example_format": "45"
    },
    {
      "key": "k_factor_rating",
      "label": "K-Factor Rating",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "K-13"
    },
    {
      "key": "electrostatic_shield",
      "label": "Electrostatic Shield",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Yes"
    },
    {
      "key": "doe_efficiency_status",
      "label": "DOE Efficiency Status",
      "group": "evidence",
      "priority": "channel",
      "value_type": "text",
      "unit": null,
      "example_format": "Declared compliant with 10 CFR 431 efficiency levels in effect at manufacture"
    },
    {
      "key": "ul_1561_listing",
      "label": "UL 1561 Listing",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "UL 1561 Listed"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "081234112509"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Mexico"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "kVA Rating",
      "variants": [
        "112.5",
        "112.50",
        "112.5 KVA",
        "112500 VA",
        "112,5 kVA",
        "112.5KVA"
      ],
      "normalized": "112.5 kVA"
    },
    {
      "attribute": "Secondary Voltage",
      "variants": [
        "208Y/120",
        "208/120",
        "120/208V",
        "208 Wye",
        "208Y/120 Volts",
        "208V 3PH 4W"
      ],
      "normalized": "208Y/120 V"
    },
    {
      "attribute": "Temperature Rise",
      "variants": [
        "150C",
        "150°C Rise",
        "Rise: 150 C",
        "150 Deg C",
        "TEMP RISE 150C",
        "150 C RISE"
      ],
      "normalized": "150 °C"
    }
  ]
}