Nader Automatic Transfer Switching Equipment (ATS):AC voltage includes 230V and 400V; Rated current from 16A to 125A; The number of poles includes 2p, 3P and 4P.ATS is widely used in important places that require the continuous power supply, such as fire protection, telecommunications, hospitals, hotels, urban rail transits, high-rise buildings, industrial assembly lines and TV stations. 2021 Quick Selection Guide »