Relay control the maximum current. RMT-101 designed to permanent control of active value current of single-phase load in 0 to 100A range,and to turn OFF it in case of excess of user adjusted maximum allowed load current (with independent timelag) with preset cut-OFF time and subsequent automatic insertion with preset turn-ON time or with block ofreclosing.Current sitting, reaction time of relay and autoreclosing time are adjusted by user using po..