Automatic Transfer Switch ATS 400A 630A 4P AC220V Controller Module with Keyswitches Key benefits Provides reliable automatic switching between mains and generator power to minimize downtime during power interruptions. Dual power automatic transfer function supports seamless transfer and without manual intervention. Keyswitches offer secure manual control when needed, improving control over source selection and transfer operations. configuration available to match site requirements and installation preferences. Main features and specifications Model options: 400A and 630A, 4P (four pole) configuration for threephase plus neutral applications. Control voltage: AC220V for reliable coil and control circuit operation. Function: Automatic transfer switch and controller module for genset parts and power distribution systems. Is : Unit can be adapted to specific installation or control needs. Compatibility and performance Designed for integration with generator sets, power distribution panels, and automatic power systems. current capacity per model rating supports commercial and industrial load demands. Fourpole design ensures proper switching for threephase systems with neutral continuity. Typical applications Commercial buildings and retail facilities requiring automatic backup power to protect operations during mains outages. Industrial generator control and power distribution where rated switching of large loads is required. Emergency systems and critical equipment rooms where rapid and secure transfer between mains and genset is . Why choose this module Clear, functionfocused design for automatic transfer and manual override via keyswitches. Available in two current ratings to suit different load profiles and installation scales. Practical for installers and system integrators seeking a configurable ATS module compatible with standard AC220V control systems.