Back to Products Automatic Transfer Switches (ATS) Ensure continuous power operation with PC-class infrequent change-over switches. ATS Type 1Two-station design for main and backup power supply switching. PC-class infrequent change-over switch Rated currents from 6A to 63A Automatic switching within 50ms Prevents power outages ATS Type 2Advanced transfer switch configuration. Suitable for AC 50-60Hz systems Reliable system operation Compact structure