Dual Power Automatic Transfer Switch (ATS) 2P/3P/4P, up to 63 A Color: 220V Product overview This terminaltype automatic transfer switch provides reliable automatic transfer between a primary power source and a secondary power source. Designed for 3phase 4wire systems or singlephase singlewire systems with AC 50/60 Hz, it supports rated voltages of 400 V and 230 V and rated currents up to 63 A. The ATS prioritizes normal power and will transfer to the reserve supply only when normal power is lost. Note that power is interrupted during transfer and the device does not start or stop a generator. Key benefits Automatic continuity: Automatically transfers loads to the available power source to restore supply when the primary source fails. Fast action: Maximum switching time 4 s and rated current up to 63 A help reduce downtime for critical circuits. Clear control modes: Frontpanel button switches between Automatic and Manual operation for flexible control during maintenance or testing. Simple installation: Terminaltype design supports vertical or horizontal mounting and common wiring layouts for industrial and commercial distribution panels. Scalable current options: Multiple rated current choices allow matching to specific circuit requirements. Primary functions and behavior Normal power priority: If normal power is present, the ATS connects to it. If normal power is lost and the reserve supply is available, the ATS transfers to reserve power. Automatic and Manual modes: Automatic mode enables the ATS to monitor voltages and transfer automatically. Manual mode requires the operator to select the supply direction. Monitoring scope: The device monitors Phase A voltage on both normal and reserve supplies to detect voltage loss or phase loss conditions. Limitations: The ATS performs switching only and cannot start, stop, or remotely control generator equipment. Expect a temporary interruption of power during each transfer. Electrical and performance parameters Rated currents available: 6 A, 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A Poles: 2P, 3P, 4P options Rated voltage: 220 V (2P), 380 V (3P or 4P), nominal system voltages 230 V and 400 V Rated frequency: 50/60 Hz Use category: AC 33B Tripping characteristics: Type C: 5 to 10 times In; Type D: 10 to 15 times In Shortcircuit capability: peak and effective breaking values up to the listed kA ratings Normal operating and installation conditions Ambient temperature range: 5 to +40 degrees Celsius Installation altitude: not higher than 2000 meters above sea level Pollution degree: Level 3 Installation category: Category 3 Mounting: Vertical or horizontal installation permitted Typical applications Backup power for commercial buildings where transfer between utility and standby supply is required without complex control systems. Industrial distribution circuits that need automatic transfer to a secondary feed when the primary feed fails, protecting production continuity. Residential or small commercial sites with dual utility feeds or a utility feed and a manually started generator, where automatic source selection is required but generator control is handled separately. What to expect during use Automatic load transfer when primary source fails, with a short interruption during switching. Manual control option for maintenance or deliberate source selection. Requires separate control for generator start and stop functions; the ATS only switches electrical connections. Ordering and compatibility notes Select the appropriate pole configuration and rated current to match your system. Ensure system voltage and frequency match the ATS rating prior to installation. Comply with local electrical codes and proper wiring practices during installation. This ATS delivers dependable automatic source selection for dual power systems, with selectable current ratings and straightforward Automatic or Manual operation.