Specifications General Product Type: Automatic Transfer Switch (ATS) Model: WATSNB‑160/160.4CBR Configuration: 4P (three phases + neutral) Rated Current: 160 A Mounting: Fixed installation in distribution enclosures, panelboards, or switchgear Application: Automatic switching between primary and backup power sources Electrical Ratings Rated Operational Voltage (Ue): 380 V – 400 V AC, 50/60 Hz (three‑phase + neutral) Rated Insulation Voltage (Ui): 690 V AC Rated Impulse Withstand Voltage (Uimp): 8 kV Short‑Circuit Withstand Capacity: Typically up to 17 kA peak (installation dependent) Rated Frequency: 50/60 Hz Contact Configuration: Four‑pole switching of all phases and neutral Functional Characteristics Automatic Transfer Logic: Monitors primary source and transfers load to secondary source upon loss or abnormal voltage Manual Mode: Allows operator‑initiated transfer of power source Status Indication: Visual indicators for source position (Source A / Source B / Off) Fault Handling: Interlocked control logic to prevent simultaneous connection of both sources Control Inputs: Interfaces for remote start/stop or external control signals Optional Monitoring: Supports remote status signaling and alarm outputs Mechanical & Environmental Housing: Modular design suited for panel‑mount or switchgear installation Degree of Protection: IP20 (front) Terminal Connections: Screw or clamp terminals for secure wiring Operating Temperature: Typically -5 °C to +40 °C Humidity: Suitable for standard indoor environments Pollution Degree: Suitable for common industrial/commercial electrical environments