33kv Pole Mounted Vacuum Circuit Breaker

Timetric 33kv Pole Mounted Vacuum Circuit Breaker  Introduction

33kv Pole Mounted Vacuum Circuit Breaker is applicable to the outdoor AC 50HZ, rated voltage of 12KV and 40.5KV power system, for the line when there is voltage, no load as the opening and closing circuit. The series of products have the following varieties: connected with or without grounding switch points: no grounding, single grounding, double grounding. According to the use of the region: ordinary type, pollution resistant type, plateau type. This series of isolation switches meet the requirements specified in GB1985-89 AC High voltage isolation Switch IEC129 (1984) AC isolation Switch Ground Switch and IEC694 (1980) High voltage Switchgear and control equipment Sharing Terms. This series produces good earthquake resistance, which can meet the requirement of 9 degree earthquake intensity (horizontal acceleration 4.9m/S2 vertical acceleration 2.45m/S2).

Timetric 33kv Pole Mounted Vacuum Circuit Breaker  The conditions of use

1 ambient air temperature: - 30 ℃ ~ + 60 ℃

2 altitude: not more than 3000 m

3 the surrounding air can be affected by dust, smoke, corrosive gas, steam, or smoke pollution

4 wind speed less than 34 m/s

5 pollution level: IV

Timetric 33kv Pole Mounted Vacuum Circuit Breaker Paramenters