... .Option: 3P or 4P 4.Similar with SOCOMEC MCSC series ATS switch adopts twenty century advanced technology,with relible mechanical and ... in the places, needed double power continuedly, such as emporium, telecom, fire protection, military, mine, ship, elevator, industrial production line and ... /store/706033 MCSC Series Auto Transfer Switch ( (similar with Socomec ATS))