125A 160A 4P Automatic Transfer Switch ATS Dual Power Smart Transfer Controller Key benefits Automatic and reliable switching between utility power and generator supply to minimize downtime and maintain uninterrupted power for critical circuits. Two current ratings available, 125A and 160A, to match different load requirements and installation sizes. 4 pole design supports three phase systems with neutral for broad compatibility in residential and light commercial applications. Smart transfer control simplifies operation with automatic transfer plus manual on off capability for flexible use and maintenance. Robust design for long service life in home improvement, generator backup, and secondary power control applications. What this product does Detects loss or recovery of mains power and automatically transfers load to the diesel generator or back to mains as conditions change. Provides both automatic transfer and manual on off control modes so users can override automatic behavior when needed. Serves as a dual power controller to coordinate safe and orderly power switching between two sources. Important attributes Models: 125A and 160A available to suit differing current demands. Poles: 4P for three phase plus neutral switching. Function: Automatic Transfer Switch with smart control and manual on off option. Compatibility: Designed for use with mains utility supply and diesel generator backup systems; suitable for residential, small commercial, and workshop environments. Performance: Engineered for reliable switching under typical backup power conditions; select the appropriate current rating for your load profile. Typical applications Home backup power: Automatically switch household circuits to a standby diesel generator during utility outages to keep essential systems running. Small commercial or retail: Maintain lighting, point of , and critical equipment during short term utility interruptions. Remote sites and workshops: Control power switching for diesel generator installations used in off grid or construction settings. Installation and use Install by a qualified electrician in accordance with local electrical codes. Choose the correct model, 125A or 160A, based on total connected load and circuit requirements. Verify wiring for four pole connections to ensure safe switching of all phases and neutral. Use manual on off mode for maintenance or planned testing of the generator system. This 4P ATS offers a practical, configurable solution for automatic and manual transfer control between mains and diesel generator power, available in 125A and 160A ratings to suit a range of applications.