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WATSN16A/160A

The Schneider Electric WATSN16A/160A 4‑Pole Automatic Transfer Switch (ATS) is a robust low‑voltage power transfer device designed to switch electrical loads between two independent power sources, such as a utility supply and a standby generator, in three‑phase AC systems

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Parameters Parameter Specification Product Name Schneider Electric WATSN16A/160A Automatic Transfer Switch Device Type Automatic Transfer Switch (ATS) Series / Family WATSN Number of Poles 4 (Three phases + neutral) Rated Operational Current (Ie) 160 A Rated Operational Voltage (Ue) 400 VAC, 50/60 Hz Network Type AC (Three‑phase) Control Type Automatic and Manual transfer modes Switching Function Transfer between primary (utility) and secondary (backup) power sources Utilization Category AC‑33B (suitable for motor and resistive loads) Rated Insulation Voltage (Ui) ~800 VAC Rated Impulse Withstand Voltage (Uimp) ~8 kV Rated Short‑Time Withstand Current (Icw) ~10 kA for 60 ms Rated Short‑Circuit Making Capacity (Icm) ~17 kA Mechanical Interlocking Yes (ensures safe transfer) Contact Position Indicator Yes (for visible status) Mounting Mode Fixed panel or enclosure mounting Connection Type Screwed terminals Suitability for Isolation Yes (full disconnection in OFF) Mechanical Durability ~10 000 cycles Electrical Durability ~6 000 cycles Typical Applications Industrial and commercial power continuity systems, backup generator integration, critical load protection