WATSNB-400/400 4CBR_Schenider_PRODUCT_吉林易择科技技术发展有限公司

Schneider Electric Dual Power Transfer Switch – Model WATSNB‑400/400 4CBR The WATSNB‑400/400 4CBR is a manual or automatic dual power changeover (transfer) switch / dual input selector switch designed for switching a load between two independent power sources (such as utility and generator). It is used in electrical distribution systems to ensure continuity of power by selecting between two available supplies. The “4CBR” suffix indicates a 4‑pole configuration with built‑in control and safety contacts for interlocking and signaling, conforming to typical industrial dual power switch conventions.

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DESCRIBE

Technical Parameters Parameter Description / Typical Value Model WATSNB‑400/400 4CBR Product Type Dual power changeover / transfer switch Poles 4 poles (4CBR) – including neutral switching Rated Current 400 A on both supply sides (Source A / Source B) Number of Inputs Dual supply inputs (2 sources) Switching Mechanism Manual or motor‑assisted transfer (depending on panel build) Contact Configuration 4 poles with common break/return contacts Application Changeover between two AC power sources in distribution boards Standards Compliance Conforming to IEC/GB electrical switchgear standards Mounting Panel / distribution board mount Frame/Size Designed for 400 A class of switchgear Auxiliary/Control Contacts For interlocking, signaling, and remote control

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