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Three-phase auto-transformer / toroidal - 160 - 21 000 VA
21 000 VA is a Autotransformer for voltage variety wound on torodial core with graphite rollers. Single-stage standard forms:127 V from 160 to 7000 VA, 230 V from 160 to 11000 VA and 400 V from 500 to 10000 VA, manual or forced helped control. for higher forces variators are joined in parallel. With three-stage standard forms: 3*230 V from 480 to 21000 VA 3*400 V, Star association, manual or force aided control. Provisions that need a nonstop variety of rotating present, single-stage or three-stage, from zero to the maximum, with high determination and a consistent level of force.