Nader Automatic Transfer Switching Equipment include NDQ2A-63, NDQ2A-125, NDQ2A-250, NDQ3H-63, NDQ3H-125, NDQ3H-250, NDQ3H-400, NDQ3H-630, NDQ3H-800, NDQ3H-1250. Widely used in the compulsory level I load which 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. It adopts the network source, self-starting generator set and battery set as the main and standby power supplies. 2021 Quick Selection Guide >>