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WATSNB-100/16.3CBR

The Schneider Electric WATSNB‑100/16 .3CBR is a dual power automatic transfer switch (ATS) designed for three‑phase low‑voltage power distribution systems. It enables reliable and automatic switching of electrical loads between two independent AC power sources, such as utility mains and a standby generator, to ensure continuous power supply for critical equipment.

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Technical Specifications Parameter Specification Model WATSNB‑100/16 .3CBR Product Type Dual Power Automatic Transfer Switch Rated Current 100 A (frame / switch rating) Switched Poles 3‑pole (L1, L2, L3; neutral not switched) Configuration Code .3CBR (3‑pole with auxiliary/feedback contacts and interlock) Rated System Voltage Low‑voltage AC three‑phase (commonly ~380–440 V) Rated Frequency 50 Hz / 60 Hz Operation Modes Automatic transfer, manual override, interlocked switching Auxiliary Contacts Yes – remote indication/control feedback Safety Interlock Prevents simultaneous connection of both sources Mounting Panel or switchboard installation Application Areas Utility to generator changeover, backup power systems, industrial & commercial distribution