High voltage AC metal-enclosed switch cabinet is available for 3.6~12kv, 3 phase AC 50Hz single main wire and sectional system electrical equipment. It is widely used in power plant, middle or small type gensets power supply, industry and mining distribution and secondary substation receiving and delivery and big high voltage motor start.
The standard is compliance with IEC298 and GB3906-91. It has function of prevent mistake operation and protection grade is IP3X.
-surrounding temperature≤+40℃, min. temperature≥-25℃
-humidity: average relative humidity≤95% within 24hours and considering temperature changing, allow proper dew
-surrounding air has no apparent dust, smoke, corrosion or inflamed gas, steam and salt fog.