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WATSN160B/4A 160A

The Schneider Electric WATSN160b/4A Automatic Transfer Switch (ATS) is a PC‑class low‑voltage automatic power transfer device designed to automatically switch between two AC power sources (such as utility and generator) to maintain continuity of electrical supply

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Specifications Parameter Specification Product Name Schneider Electric WATSN160b/4A Automatic Transfer Switch Series WATSN (PC‑class ATS) Device Type Automatic Transfer Switch (ATS) Rated Current (Ie) 160 A AC (continuous) Number of Poles 4P (3 phases + neutral) Rated Operational Voltage (Ue) 400 V AC, 50/60 Hz (3‑phase) Network Type AC three‑phase (380/400/415 V) Controller Type Type A (basic controller) Transfer Modes Self‑starting & self‑restoring, self‑starting without restore, mutual backup Utilisation Category AC‑33B (motor and mixed loads switching) Rated Insulation Voltage (Ui) 800 V Rated Impulse Withstand (Uimp) 8 kV Rated Operational Voltage (Ue) 400 V AC Mechanical Durability 10,000 cycles Electrical Durability 6,000 cycles Contact Position Indicator Yes Mounting DIN rail / rack‑mounted (varies by panel) Short‑Circuit Making Capacity (Icm) ~17 kA (typical)