Emco Ltd. Supplies Submerged Arc Furnace Transformer. Emco Ltd. Is an ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 accredited company. Emco Ltd. Manufactures equipments for power generation, transmission, distribution and industry. Submerged Arc Furnace Transformer is provided in the voltage capacity of up to 52 kV with ONAN/ONAF/OFWF cooling systems. Submerged Arc Furnace Transformer is available in the rating of up to 63MVA. This furnace transformer is also available in other ranges.