Product Overview
GZN21-40.5 series indoor AC high-voltage vacuum load switch and load switch-fuse combination electrical appliance (hereinafter referred to as: series vacuum load switch) is designed and developed by the company according to GB3804 and GB16926, suitable for AC 50Hz, The 40.5kV rated voltage network is designed for 35kV systems of wind and solar power generation, and can be used for wall-mounted installation in wind power towers, or as an independent electrical unit in 40.5kV power systems or box-type substations. This product has a reasonable structure, using the CTE2 two-stage transmission spring operating mechanism developed by the company, the action is simple and reliable, with manual and electric dual-purpose functions, and can achieve long-distance control.
Product Features:
●The ambient air temperature does not exceed 40°C, and the average measured average value does not exceed 35°C within 24 hours, and the minimum ambient air temperature is -25°C;
●The effects of sunlight radiation are negligible;
●The sea depth does not exceed 1000m;
●The surrounding air is not visibly contaminated with dust, smoke, corrosive or flammable gases, vapors or salt spray;
●The average daily relative humidity does not exceed 95%; The daily average water vapor pressure does not exceed 22kPa; The average value of the moon phase humidity does not exceed 90%; The average monthly water vapor pressure does not exceed 1.8KPa;
●Vibration or ground motion from outside the switchgear and control equipment is negligible;
●The amplitude value of electromagnetic interference induced in the secondary system shall not exceed 1.6KV.
