Trio Automatic Changeover with current Limiter stand by, when mains supply fails and Genset supply starts, ACCL Transfers the Load from mains supply to Genset mode automatically. When Genset Load exceeds the limit, power supply is automatically switched off for 6 sec, during the switched off period (6 sec) the user has to reduce the load to the permitted limit fixed in ACCL to recieve continuous Genset supply.