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JMB/BJZ/DG/BZ(DM) Series Lighting & Hand Lamp Control Transformer

The JMB/BJZ/DG/BZ(DM) series lighting and hand lamp control transformers are suitable for 50–60Hz AC circuits, widely used as control power for machine tools and mechanical equipment, as well as power for safety lighting and indicator lamps. Primary and secondary windings are wound separately. A single secondary winding carries full rated capacity; multiple windings are allocated separately. For center-tapped windings, each tap capacity is less than the rated capacity—only the highest voltage terminal bears the full rating. Reliable operation is guaranteed at altitudes up to 2500m, ambient temperature -25°C to +40°C, and 90% humidity. Not for explosive, corrosive, or heavy vibration environments. Suitable for rain and snow exposure.

    Type & Meaning

    JMB
    J Local
    M Lighting
    B Transformer
    Rated Capacity (VA)
    BZJ
    B Local
    Z Lighting
    J Transformer
    Rated Capacity (VA)
    DG
    D Single-phase
    G Dry-type Transformer
    Rated Capacity (VA)
    BZ
    B Single-phase
    Z Lighting
    Rated Capacity (VA)
    DM
    D Transformer
    M Lighting
    Rated Capacity (VA)

    Technical Features

    The primary and secondary windings are wound separately. When there is only one secondary winding, it bears the full rated capacity of the transformer. If the secondary side includes control, lighting and indicator lamp windings, they are wound separately according to the capacity allocation of each winding. For transformers with a single winding and center taps, the capacity of each center tap is less than the rated capacity of the transformer, and only the highest voltage output terminal can bear the rated capacity.

     product Display

    jmb-series-transformer-front-view
    jmb-series-transformer-full-set-accessories

    Technical Features

    This transformer can operate reliably under the following conditions:

    1.Altitude not exceeding 2500m;
    2. Ambient air temperature: maximum not exceeding 40℃, minimum not lower than -25℃;
    3. Relative air humidity: average maximum relative humidity of 90% in the wettest month;
    4. Free from severe vibration and impact;
    5. In a medium free from explosion hazard, and free from gases and conductive dust that corrode metals and damage insulation;
    6. In locations exposed to rain and snow.

    Outline and Installation Dimensions

    Model Rated Input Voltage Rated Output Voltage Overall Dimensions (mm)
    JMB-25VA 220V 6V 150×160×130
    JMB-50VA 220V 6.3V 150×160×130
    JMB-100VA 220V 12V 150×160×130
    JMB-150VA 220V 24V 160×170×135
    JMB-200VA 220V 36/48V 160×170×135
    JMB-250VA 220V 110V 180×170×155
    JMB-300VA 380V 127V 160×170×155
    JMB-400VA 380V 220V 210×230×175
    JMB-500VA 380V 330V 210×230×175
    JMB-700VA 220V 6V 218×290×185
    JMB-1000VA 220V 6.3V 218×290×185
    JMB-1500VA 220V 12V 260×290×235
    JMB-2000VA 220V 24V 260×290×235
    JMB-2500VA 220V 36/48V 280×350×230
    JMB-3000VA 220V 110V 280×350×230
    JMB-4000VA 380V 127V 360×355×280
    JMB-5000VA 380V 220V 360×355×280
    JMB-10KVA 380V 330V 510×430×490