{
  "id": 12,
  "title": "SLD Fixed Step-Up/Step-Down Autotransformers",
  "family": "Autotransformers",
  "description": "Enclosed fixed-ratio voltage converters for equipment with mismatched supply voltages.",
  "sections": [
    {
      "heading": "Overview",
      "paragraphs": [
        "The brochure describes conversion from 220 V to 110 V or from 110 V to 220 V, without waveform distortion, with high efficiency, a neat appearance, convenient use and continuous-duty capability. Applications include domestic and industrial equipment from Japan, Korea, Taiwan and other markets with different supply voltages."
      ]
    },
    {
      "heading": "Model designation",
      "paragraphs": [
        "SL: step-up/step-down type; D: single-phase transformer; suffix: power in VA."
      ]
    },
    {
      "heading": "Operating arrangement",
      "paragraphs": [
        "The internal transformer is an autotransformer. A selector provides 110 V or 100 V outputs. The brochure specifies an analogue output-voltage meter below 1KVA and a digital voltmeter above 2KVA.",
        "The brochure describes universal output sockets for its “1–3KVA and below” range. Units above 5KVA have an overload alarm. The full series is described as having overcurrent and short-circuit protection."
      ]
    },
    {
      "heading": "Customisation",
      "paragraphs": [
        "Other capacities and input/output voltages can be manufactured to customer requirements."
      ]
    }
  ],
  "specifications": [],
  "models": [],
  "tables": [
    {
      "caption": "Ratings and dimensions",
      "columns": [
        "Capacity",
        "Input voltage",
        "Frequency",
        "Output voltage",
        "Overall dimensions (mm)"
      ],
      "rows": [
        [
          "0.5KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "280×140×155"
        ],
        [
          "1KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "285×155×162"
        ],
        [
          "1.5KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "320×195×190"
        ],
        [
          "2KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "440×300×320"
        ],
        [
          "3KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "440×300×320"
        ],
        [
          "5KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "440×300×320"
        ],
        [
          "6KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "440×300×320"
        ],
        [
          "8KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "440×300×320"
        ],
        [
          "10KVA",
          "220V or 380V",
          "50–60Hz",
          "100V or 110V",
          "300×320×420"
        ]
      ]
    }
  ],
  "notes": [
    "The introductory 220/110 V description differs from the table’s 220V or 380V input and 100V or 110V output. Both original entries are retained. Meter and socket capacity thresholds are quoted as printed; confirm exact options when ordering."
  ],
  "slug": "sld-step-up-step-down-transformers",
  "category": "industrial-transformers",
  "categoryTitle": "Industrial Transformers",
  "relatedCategories": [],
  "image": "/catalog/products/sld-step-up-step-down-transformers.webp",
  "href": "/products/series/sld-step-up-step-down-transformers",
  "pdfPage": 10,
  "side": "left",
  "sheet": "/catalog/sheets/10-left.webp",
  "sheetWidth": 1006,
  "sheetHeight": 1375
}