{
  "id": 13,
  "title": "JMB Portable Task-Lighting Transformers",
  "family": "Safety Lighting Transformers",
  "description": "50–60 Hz transformers for control circuits, safety lighting and indicator lamps.",
  "sections": [
    {
      "heading": "Application scope",
      "paragraphs": [
        "Used in electronics, industrial and mining enterprises, machine tools and mechanical equipment for general control circuits, safety lighting and indicator-lamp supplies."
      ]
    },
    {
      "heading": "Model designation",
      "paragraphs": [
        "J: local; M: lighting; B: transformer; suffix: rated capacity in VA."
      ]
    },
    {
      "heading": "Winding arrangement",
      "paragraphs": [
        "Primary and secondary windings are wound separately. If only one secondary winding is provided, it carries the full rated transformer capacity. Where control, lighting and indicator windings are combined, each is wound according to its allocated capacity.",
        "For a single tapped secondary winding, intermediate taps have capacities lower than the transformer rating. Only the highest-voltage output terminals can carry full rated capacity."
      ]
    },
    {
      "heading": "Operating environment",
      "paragraphs": [
        "Altitude not exceeding 2500 m. Ambient air temperature from -25°C to +40°C. The maximum mean relative humidity in the wettest month is 90%.",
        "Install where there is no severe vibration or impact, no explosive atmosphere, and no gases or conductive dust sufficient to corrode metal or damage insulation.",
        "The brochure’s sixth environmental condition reads “locations exposed to rain and snow”; this original wording is retained and requires confirmation against the supplied enclosure rating."
      ]
    }
  ],
  "specifications": [],
  "models": [],
  "tables": [
    {
      "caption": "Ratings and overall dimensions; alternative dimensions retained in the same row",
      "columns": [
        "Rating (VA)",
        "Rated input (V)",
        "Rated output (V)",
        "Overall dimensions (mm)"
      ],
      "rows": [
        [
          "25",
          "220",
          "6",
          "150×160×130"
        ],
        [
          "50",
          "220",
          "(6.3)",
          "150×160×130"
        ],
        [
          "100",
          "220",
          "12",
          "150×160×130"
        ],
        [
          "150",
          "220",
          "24",
          "160×170×135"
        ],
        [
          "200",
          "220",
          "36.48",
          "160×170×135"
        ],
        [
          "250",
          "200",
          "110",
          "180×170×155"
        ],
        [
          "300",
          "380",
          "127",
          "180×170×155"
        ],
        [
          "400",
          "380",
          "220",
          "210×230×175"
        ],
        [
          "500",
          "380",
          "(330)",
          "210×230×175; 200×175×175"
        ],
        [
          "700",
          "220",
          "6",
          "218×290×185"
        ],
        [
          "1000",
          "220",
          "(6.3)",
          "218×290×185; 210×230×185"
        ],
        [
          "1500",
          "220",
          "12",
          "260×290×235"
        ],
        [
          "2000",
          "220",
          "24",
          "260×290×235; 240×240×225"
        ],
        [
          "2500",
          "220",
          "36.48",
          "280×350×230"
        ],
        [
          "3000",
          "220",
          "110",
          "280×350×230; 250×300×240"
        ],
        [
          "4000",
          "380",
          "127",
          "360×355×280"
        ],
        [
          "5000",
          "380",
          "220",
          "360×355×280; 350×290×285"
        ],
        [
          "10K",
          "380",
          "(330)",
          "510×430×490"
        ]
      ]
    }
  ],
  "notes": [
    "The table’s 250VA input is 200V, retained exactly. The output string “36.48” is reproduced as printed; confirm whether it denotes separate 36 V and 48 V options. Parentheses and the “10K” capacity notation are also retained.",
    "Rows containing two overall dimensions show both printed alternatives; the source does not label the construction differences."
  ],
  "slug": "jmb-lighting-transformers",
  "category": "industrial-transformers",
  "categoryTitle": "Industrial Transformers",
  "relatedCategories": [],
  "image": "/catalog/products/jmb-lighting-transformers.webp",
  "href": "/products/series/jmb-lighting-transformers",
  "pdfPage": 10,
  "side": "right",
  "sheet": "/catalog/sheets/10-right.webp",
  "sheetWidth": 1007,
  "sheetHeight": 1375
}