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step-down transformers
 
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  • Home > Electrical Equipment > Transformers and stabilizers

    TSZI step-down transformers




    TSZI-1.6, TSZI-2.5 and TSZI-4.0 are three-phase, step-down transformers (whose windings are made of copper and aluminum) with natural air-cooling. They are designed for providing non-hazardous power supply to electric tools and local lighting at 50 Hz. These transformers are manufactured under GOST 19294-84 in UHL climatic embodiment. Heat-resistance class - "B". Protective embodiment (in a housing).


    Operating conditions
    • Can be installed at up to 2000 m above sea level. When operated at altitudes higher than 1000 m above sea level, the capacity decreases by 2.5% for every 500 m.
    • Operating position - vertical.
    • These transformers belong to the stationary type of equipment.
    SPECIFICATIONS TSZI-1.6 TSZI-2.5 TSZI-4.0
    Rated power, kilovolt-ampere 1.6 2.5 4.0
    Rated voltage of the windings, V

    primary

      secondary



    380

    220 – 127 or 36 or 24 or 12
    Efficiency, % 94.5 95.3 96.0
    Ixx, % 20 18 16
    Short circuit U, % 3.5 3.1 2.6
    Weight, kg 27 38 43
    Overall dimensions, mm 404 x 184 x 290


             
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