WATSNB-100/40-4CBR_Schenider_PRODUCT_吉林易择科技技术发展有限公司

The Schneider Electric WATSNB‑100/40‑4CBR is a dual power automatic transfer switch (ATS) designed for three‑phase low‑voltage power distribution systems. It automatically or manually transfers electrical load between two independent AC power sources — such as utility mains and a standby generator — to maintain continuous power for critical loads. The 4‑pole configuration switches all three phase conductors (L1, L2, L3) and the neutral (N), offering full isolation and safety. The switch continuously monitors the status of both sources and initiates a transfer when the primary source fails or is restored. Auxiliary contacts provide remote status indication and integration with building or generator control systems. A safety interlock prevents both incoming sources from being connected simultaneously, enhancing operational safety.

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DESCRIBE

Technical Specifications Parameter Specification Model WATSNB‑100/40‑4CBR Product Type Dual Power Automatic Transfer Switch Rated Current 100 A (frame / switch rating) Switched Poles 4‑pole (L1, L2, L3, N – all phases plus neutral) Configuration Code 4CBR (4‑pole with auxiliary/feedback contacts and interlock) Rated System Voltage Low‑voltage AC three‑phase (typically ~380–440 V) Rated Frequency 50 Hz / 60 Hz Operation Modes Automatic transfer, manual override, interlocked operation Auxiliary Contacts Included for remote position indication and control feedback Safety Interlock Prevents simultaneous connection of both incoming sources Mounting Panel or distribution board installation Typical Applications Utility/generator changeover, backup power systems, industrial and commercial distribution

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