WATSN 4P 250A - Schneider - Products - Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

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WATSN 4P 250A

The Schneider Electric WATSN 4‑pole 250 A Automatic Transfer Switch (ATS) is a dual‑power source changeover device designed for low‑voltage AC electrical systems.

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Parameters Parameter Specification Product Name Schneider Electric WATSN 4P 250A Automatic Transfer Switch Device Type Automatic Transfer Switch (ATS) Series WATSN Number of Poles 4 (Four Pole) Rated Current (Ie) 250 A Rated Operational Voltage (Ue) 380–415 VAC (three‑phase, 50/60 Hz) Network Type AC Control Type Automatic and Manual transfer modes Supported Power Sources Utility and Backup (e.g., generator) Switching Function Changeover between two independent AC sources Rated Insulation Voltage (Ui) Up to ~800 VAC typical for ATS design Rated Impulse Withstand Voltage (Uimp) ~8 kV typical ATS class Utilization Category AC‑33B (switching of motor and resistive loads) Mounting Panel/Enclosure mount Applications Continuity of power for critical load circuits, industrial and commercial electrical panels