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WTSA400-4N2 A F

The Schneider Electric WTSA400-4N2 A F is a 400A, 4-pole Automatic Transfer Switch (ATS) designed to provide seamless switching between two power sources (e.g., utility mains and backup generator). It is typically used in systems that require continuous power, even when one source fails.

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Specifications Parameter Specification Manufacturer Schneider Electric Model/Series WTSA400-4N2 A F (Part of the WTSA series) Device Type Automatic Transfer Switch (ATS) Rated Current (Ie) 400A Rated Voltage (Ue) 400V AC, 50/60Hz (three-phase) Number of Poles 4P (3 phases + neutral) Network Type AC, three-phase Utilization Category AC‑33B (power changeover switching) compliant with IEC 60947-6-1 Mounting Fixed, typically panel or switchboard mounting Standards Compliance IEC 60947‑6‑1, UL, CE Control Mode Automatic transfer with configurable delays, or Manual Short Circuit Capacity Typically 50 kA or higher Operating Temperature Range -25°C to +70°C Endurance Designed for 10,000+ mechanical operations