MAIN CHARACTERISTICS range of product BC IMPREGO product or component type DRY TYPE TRANSFORMER network type AC type of installation INDOOR COMPLEMETARY CHARACTERISTICS type of cooling AN AIR NATURAL rated power 6.3 KVA network frequency 50 60 HZ thermal class CLASS H phase description 1 PHASE primary voltage 400 V isolation level PRIMARY 1.1 KV [Ui] rated insulation voltage PRIMARY CIRCUIT 1.1 KV AC secondary voltage