Parameters: Parameter Value / Description Product Series Harmony WATSG (Watertight Switch-Disconnector) Rated Operational Current (Ie) 400 A Number of Poles 4 (L1, L2, L3, N) Utilization Category AC-23A (For switching of mixed loads, including induction motors). It can make and break current under load. Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 690 V Protection Rating (Enclosure) IP65 (Dust-tight and protected against water jets) when properly closed. IP66 available as an option. Enclosure Material Polycarbonate (PC) – High impact resistance, UV resistant, and corrosion-proof. Mounting Surface mounting via integrated mounting points. Actuation Manual rotary handle operation. The handle is typically removable for security (to prevent unauthorized operation). Position Indication Clear "O" (OFF/Open) and "I" (ON/Closed) markings. Visible contact position indicator. Auxiliary Contacts 4 auxiliary contacts (as indicated by /4A in the model) are typically included or available as a standard option. These are used for signaling the switch's position (ON/OFF) to remote indicators or control systems. Standards IEC/EN 60947-1 and IEC/EN 60947-3 (for switch-disconnectors) Cable Entry Multiple knock-outs for conduit entry (e.g., PG, M threads). Ambient Temperature Typically -25°C to +60°C