WATSNB-160/100.4CBR-F_Schenider_PRODUCT_吉林易择科技技术发展有限公司

The Schneider Electric WATSNB‑160/100‑4P series are dual power automatic transfer switches designed for three‑phase low‑voltage power distribution systems. They are used to automatically or manually transfer a three‑phase load between two independent AC power sources (for example, utility/main and generator). These devices ensure continuity of electrical supply for critical loads by detecting a loss or return of the main supply and switching to the alternate source accordingly. The 4‑pole configuration switches all three phase conductors and the neutral for full isolation and safety. Variants with suffixes like 4CBR‑F include auxiliary/feedback contacts and additional safety control interfaces for remote indication and integration with automation systems.

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DESCRIBE

Technical Specifications Parameter Description / Typical Value Model Family WATSNB‑160/100‑4P (dual power automatic transfer switch) Product Type Dual Power Automatic Transfer Switch Rated Operational Current 160 A (nominal) Poles Switched 4‑pole (L1, L2, L3, Neutral) Rated System Voltage Low‑voltage AC three‑phase system (e.g., ~380–415 V) Rated Frequency 50 Hz / 60 Hz Utilization Category PC‑level (“Power Control” class) automatic transfer switch with AC‑33B duty capability Operation Modes Automatic transfer, manual override, interlocked switching Auxiliary / Signal Contacts Included on 4CBR‑F variants for remote status indication and control feedback Safety Interlock Prevents simultaneous connection of both power sources Mounting Panel / distribution board installation Application Areas Utility/generator changeover, backup power systems, industrial & commercial distribution

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