{
  "category": "Terminal Blocks",
  "vertical": "electronic-components",
  "source": "https://getclaro.ai/resources/attribute-library/electronic-components/terminal-blocks/",
  "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": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "TB-4-FT-GY"
    },
    {
      "key": "terminal_block_type",
      "label": "Terminal Block Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Feed-through"
    },
    {
      "key": "mounting_style",
      "label": "Mounting Style",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "DIN rail, TH35-7.5 and TH35-15 (EN 60715)"
    },
    {
      "key": "termination_style",
      "label": "Termination Style",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Screw connection"
    },
    {
      "key": "number_of_positions",
      "label": "Number of Positions",
      "group": "selection",
      "priority": "core",
      "value_type": "number",
      "unit": null,
      "example_format": "2"
    },
    {
      "key": "number_of_levels",
      "label": "Number of Levels",
      "group": "selection",
      "priority": "core",
      "value_type": "number",
      "unit": null,
      "example_format": "1"
    },
    {
      "key": "terminal_width_pitch",
      "label": "Terminal Width (Pitch)",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "6.2 mm"
    },
    {
      "key": "conductor_range_mm2",
      "label": "Conductor Range – mm²",
      "group": "selection",
      "priority": "core",
      "value_type": "text",
      "unit": "mm²",
      "example_format": "0.14–6 mm² (solid and flexible)"
    },
    {
      "key": "conductor_range_awg",
      "label": "Conductor Range – AWG",
      "group": "selection",
      "priority": "core",
      "value_type": "text",
      "unit": "AWG",
      "example_format": "26–10 AWG"
    },
    {
      "key": "nominal_current_iec",
      "label": "Nominal Current – IEC",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "A",
      "example_format": "32 A (at 4 mm² nominal cross section)"
    },
    {
      "key": "nominal_voltage_iec",
      "label": "Nominal Voltage – IEC",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "V",
      "example_format": "1000 V"
    },
    {
      "key": "nominal_current_ul",
      "label": "Nominal Current – UL",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "A",
      "example_format": "30 A"
    },
    {
      "key": "nominal_voltage_ul",
      "label": "Nominal Voltage – UL",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "V",
      "example_format": "600 V"
    },
    {
      "key": "ul_1059_use_group",
      "label": "UL 1059 Use Group",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "B, C"
    },
    {
      "key": "flammability_rating_ul_94",
      "label": "Flammability Rating (UL 94)",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "V-0"
    },
    {
      "key": "agency_approvals",
      "label": "Agency Approvals",
      "group": "evidence",
      "priority": "channel",
      "value_type": "text",
      "unit": null,
      "example_format": "UL Recognized (UL 1059); CSA; IEC 60947-7-1"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "5412345000501"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Germany"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Termination Style",
      "variants": [
        "Push-in",
        "PUSH IN",
        "Push-in spring",
        "PI",
        "Push In Spring Connection",
        "Push-in spring-cage"
      ],
      "normalized": "Push-in spring"
    },
    {
      "attribute": "Conductor Range – mm²",
      "variants": [
        "0,14...1,5 mm²",
        "0.14-1.5mm2",
        "0.14 – 1.5 sqmm",
        "0.14 to 1.5",
        "0.14-1.5 sq mm",
        "0,14-1,5"
      ],
      "normalized": "0.14–1.5 mm²"
    },
    {
      "attribute": "Mounting Style (rail type)",
      "variants": [
        "NS 35/7,5",
        "TS 35",
        "TH 35-7.5",
        "EN 50022",
        "35 x 7.5 DIN rail",
        "DIN 35x7.5"
      ],
      "normalized": "TH35-7.5 (EN 60715)"
    }
  ]
}