Specifications General Product Family: WATSNB Dual Power Transfer Switch Series Device Type: Manual/automatic power source transfer switch Model: WATSNB‑800/800‑4CBR Poles: 4‑pole (three phases + neutral) Application: Switching between two independent power sources (e.g., mains and generator) in industrial/commercial installations Operation Mode: Manual selection or automatic transfer (depending on configuration) Electrical Ratings Rated Current: 800 A on both source inputs and output Rated Operational Voltage: Suitable for three‑phase low‑voltage systems (e.g., AC 400–690 V) Frequency: 50/60 Hz Contact Configuration: 4‑pole switching for three phases and neutral Utilization Category: Suitable for AC power transfer switching Suitable for Isolation: Yes — isolates one source before connecting the other Switching & Performance Switch Type: Changeover/transfer switch for dual power sources Mechanical Endurance: Designed for frequent manual or motor‑assisted operation cycles Protection & Safety: Provides clear separation between sources to prevent back‑feeding Indicator: Visual indication of selected power source (operator interface) Installation & Mounting Mounting Type: Panel or enclosure mounted U‑Space / Footprint: Designed to fit in low‑voltage distribution panels Terminals: Heavy‑duty busbar/clamp terminals for 800 A connections Environmental Operating Temperature: Standard industrial range Pollution Degree: Suitable for industrial environments Degree of Protection: Enclosure dependent (typically per panel/installation)