The Schneider Electric WATSGB250/4X is a 4-pole (3P+N), 250A heavy-duty manual changeover switch from the industrial-grade WATSGB series. Designed for robust and reliable operation, it enables the safe manual transfer of electrical loads between two independent three-phase power sources, such as the main grid and a backup generator.
Parameter Specification
Product Series WATSGB (Heavy-Duty Manual Changeover Switch)
Model WATSGB250/4X
Rated Operational Current (Ie) 250 A
Number of Poles 4-Pole (3 Phase + Neutral)
Rated Insulation Voltage (Ui) 1000V AC
Rated Operational Voltage (Ue) 690V AC
Utilization Category AC-33B (Switching resistive and motor loads)
Short-Time Withstand Current (Icw) Typically ≥ 15 kA for 1 second (Confirm with official datasheet)
Mechanical Life ≥ 10,000 operations
Electrical Life ≥ 5,000 operations at rated current
Control Manual rotary handle with I-0-II positions
Interlock Positive mechanical interlock
Mounting Panel-mounted or baseplate-mounted
Terminals Front or rear connection; suitable for cables or busbars (specific kits may apply)
Standards IEC 60947-1, IEC 60947-3, CCC, CE
Protection Degree Typically IP20 (when installed in an enclosure)
Key Feature "4X" suffix often denotes an enhanced version with specific terminal types or performance characteristics.