... Protection: IP21~IP23Stamford,Leroy somer,TFW for you chose.(3)Controller system1.Standard control panel, including voltmeter, fequency meter, ... , hours running counter for protection and tranfering.2.It can be with ATS electric control cabinet, including circuit ... (ATS) uses update technology, which can be automatic control for on-off electricity, remote monitoring, automatic parallel operation,etc ...