... c.Ease of stroage and handling. STEP WOUND CORENICORE single and three -phase strip wound distribution transformer cores are operating in many ... of design requirements. We produce single phase cores ranging from 10KVA to 160KVA, and three-phase cores ranging from 20KVA to 630KVA ... be produced in the cut or uncut form, single or three-phase, up to 800Kg.Cross sectionDistribution transformer cores can ...