Adaptors for Water Purifiers are designed to provide all the power requirements for water purifiers application up a power level of 36.0 w and 60 W. The Adaptors works under low voltages and protects high voltage where the linear fails. The Adaptors have double phase 440 V AC withstand capability. The Adaptors are designed to operate for wider ac input range from 100 to 300 V AC and to withstand the adverse power conditions. The Adaptors is compact in size and light in weight. The Adaptors for Water Purifiers are protected against over load, short circuit, over voltage and over temperature.