WATSN125/4A 250 - 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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The vast blue oceans of the Earth are the cradle of life and a crucial foundation for human sustainable development. Easy Semiconductor Technology (Hong Kong) Limited has always adhered to the concept of environmental protection and actively engaged in marine environmental protection initiatives. To assist marine

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Become part of our mission to advance intelligent manufacturing. We provide a platform where professional growth aligns with sustainable impact. Beyond a rewarding career, our unique program for controller recycling and education extends the value of technology while cultivating future talent. Together, we can ensure that technological progress and environmental stewardship grow hand in hand.

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WATSN125/4A 250

The Schneider Electric WATSN125/4A 4‑Pole 125 A Automatic Transfer Switch (ATS) is a robust low‑voltage changeover device designed for three‑phase AC power systems.

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Parameters Parameter Specification Product Name Schneider Electric WATSN125/4A Automatic Transfer Switch Device Type Automatic Transfer Switch (ATS) Number of Poles 4 (Four‑pole) Rated Current (Ie) 125 A Rated Operational Voltage (Ue) Up to 380–415 VAC (three‑phase AC, 50/60 Hz) Network Type AC Three‑Phase Utilization Category AC‑33B for motor and resistive load switching Control Modes Automatic transfer and manual changeover Switch Function Transfer between primary and secondary power sources Rated Insulation Voltage (Ui) Typically up to ~800 VAC Rated Impulse Withstand Voltage (Uimp) Typically ~8 kV Mounting Mode Fixed panel or enclosure mount Operating Conditions Standard industrial ambient environment Isolation Capability Provides full isolation in OFF position Typical Applications Power continuity for critical loads, backup systems, industrial panels