Yogya Enterprises manufactures Buchholz Relay with Mercury Switches. Yogya Enterprises is an ISO 9001-2000 awarded company that also manufactures power transformer components, electrical transformer components, power transformer breathers, metallic breathers, prismatic gauge glass. Buchholz Relay with Mercury Switches is a protective device, which gives an alarm in case of incipient faults in the transformer. It ahs Aluminium pressures die casted body. It is equipped with Mercury switches for alarm and trip. These are not sensitive to external influences therefore, no maintenance is required.