Product: Automatic Transfer Switch (Size 400A4P) compatible with Generator 100A 2P and 4P ATS Dual Power systems Description A robust automatic transfer switch designed to manage automatic switching between the main power supply and a standby generator. When the main supply fails, the unit quickly transfers load to the standby source to minimize interruption and maintain continuous power. Key benefits Fast, automatic transfer: Detects loss of main power and switches to the standby generator automatically to reduce downtime. Dual power support: Compatible with Generator 100A 2P and 4P ATS configurations for flexible generator setups. capacity main feed: Sized 400A4P to handle larger incoming distribution currents while providing reliable switching function. Improved operational reliability: Reduces manual intervention and speeds recovery after power loss. Clear, practical installation: Designed for integration into dual power systems and standard electrical distribution arrangements. Features and important attributes Function: Automatic transfer between main power and standby generator to ensure continuous supply during outages. Compatibility: Supports 100A generator connections in 2pole or 4pole configurations and a 400A 4pole main supply. Size and configuration: Rated 400A4P for the main feed; generatorside support for 100A 2P and 4P. Construction and performance: Built for reliable switching operation with consistent transfer behavior under normal electrical conditions. Operation: Dual power automatic transfer mode for smooth transition without manual switching. Practical applications Commercial premises: Protects critical lighting and equipment in small commercial buildings and retail outlets during utility interruptions. Residential complexes and backup circuits: Provides automatic generator transfer for commonarea systems, elevators, or emergency lighting. Construction sites and temporary power: Enables reliable switching between utility and generator sources for site power distribution. Why choose this unit Provides automatic, dependable switching that simplifies power management during outages. Matches common generator configurations while supporting a substantial main supply rating. Suitable for applications where quick restoration of power and minimal manual action are required.