Special water cooled winding transformers are designed and manufactured to suit applications where low voltage, but for example 5 or 10 kA currents are employed, for steel or aluminium smelting. They are low in height for close coupling to other equipment. Minimum periodic maintenance of water circuit systems is required.

Illustrated - Range of 5 & 10 kA, 630 // 40 Volts, Hexaphase, 50 Hz, water cooled windings for aluminium smelting.