Emco Ltd. Supplies Single Phase Trackside Transformer. Emco Ltd. Has achieved ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 certifications. Emco Ltd. Manufactures equipments for power generation, transmission, distribution and industry. Single Phase Trackside Transformer is a single phase transformer available in the rating capacity of up to 42MVA. The voltage of Single Phase Trackside Transformer is up to 220kv class. These transformers are single phase, double limb construction and are specially designed and tested to withstand frequent short-circuit forces and overloading.