ABB TruONE ATS400 4p 400A ABB ID: 1SCA153515R1001 🔧 Description (English): The TruONE ATS400 4p 400A is a high-performance automatic transfer switch from ABB's TruONE series, engineered for reliable and seamless power switching in critical power systems. It ensures automatic transition between power sources with advanced monitoring, built-in intelligence, and robust mechanical endurance. 📌 Technical Features: Rated Current: 400A Poles: 4p Application: Automatic Transfer Switch (ATS) Series: TruONE Function: Seamless automatic transfer between main and backup sources Mounting: Panel-mounted with easy wiring access