400 AMP ASCO Transfer Switch ATS, 2 Pole NEMA3R 240V

ASCO ATS Series 185 185A2400F4M 400 AMP Transfer Switch (Replaces ASCO Series 165 165A2400F3F)

The 400 Amp transfer switch provides you with an easy, safe, and secure way to switch between your Normal power source and your Emergency power source in the case of an outage. Whether for home or business use, it is a way to ensure that you suffer no losses as the result of a power cut.

The Series 185 transfer switches are the highest quality in the industry, engineered and manufactured exclusively in North America. is a pioneer in generator transfer switch technology and the original inventor of the ATS. They back up their high manufacturing standards and strict component selection with free 24/7 nationwide technical support.

The 400 Amp Automatic ATS Transfer Switch removes the risks associated with a power loss. Upon detecting a voltage dip or a total utility failure, the ATS Automatic switches to your emergency generator for power. It then switches back to the main power source when it detects that the supply has been restored and is stable. It can be set to allow between one and three seconds of outage, ensuring that the generator is not switched on unnecessarily during an instantaneous power outage and restoration.

This ensures that your power loss is at an absolute minimum, keeping everything in your home or business safe and secure. It also has a built in feature to allow a cool down period of your generator, ensuring long lasting generator life.