Short Description:

Normal Service Conditions
Elevation 1000- 3000m;
The environment temperature is not higher than +40″C, not lower than -30C ( the high and cold region is not lower than- 40C);
The breeze presses not over 700Pa;(equalto wind velocity 34ms/s);
The earthquake intensity is not over 8 degree;
Ice thickness is not larger than 10 mm;
Installing the place should have no explode easily the dangerous goods,chemistry decays and violent vibration;
A pillar isolator the dirty grade in son: Common type is 0 class, defend dirty type as the II class.
This series Isolating switch is complied with《GB 1985-89 exchanges high pressure insulates the switch》
IEC129(1984> (exchanges insulate the switch with connect a round of switch ) with the IEC694 (1980)《high pressure switch equipments with control the equipments to rule with the item》various requests totally.