Dear Sirs, We, Hundt Weber Korea Corp., are the manufacturer of ATS ranging from 60A upto 3200A, 2P, 3P and 4P as well.If you visit our web site, www.ec21.com/hundtweber, you can see our unique ATS models (single coil and double coil).Our ATS have the following strong points. 1) Solenoid(coil) operation(the coil only instantly works at the time when the ATS switchs)2) Very unique and light design3) Simple electrical and mechanical system4) Competitive prices5) Reliability and Long Life Time(Secure the minimun 6000 swift times)6) Easy cable works and wiring Please study and pay a keen attention on our ATS and let us have your most positive reply soonest. Thanks and looking froward to receiving your comments. Best regards, Herald S. Shin / Hundt Weber Korea Corp.