ZW32 series Pole Mounted Vacuum Circuit Breaker spring mechanism outdoor vacuum breaker, a kind of outdoor pillar high voltage vacuum circuit breaker, with 50/60Hz, three-phase alternating current and 15/27/38KV rated voltage. It applies to open circuit , close the load current , overload current and short -circuit current and other power distribution system, such as substation,industrial and mining.

Normal service condition:

1. Altitude≤2000(optional≤4000)

2. Ambient temperature: -30℃ to 70℃(optional -40℃ to 70℃)

3. Ambient humidity:Maximum average humidity 24 hours ≤95%1 month ≤90%

4. Maximum water vapor pressure:24 hours ≤2.2kpa1 month ≤1.8kpa

5. The ambient air has no obvious pollution of dust smoke, corrosive or combustible gases, steams or smog

Features

1. high reliability, high mechanical and electrical life

2. No maintenance

3. Small size, lightweight, easy to install

4. Standard relay protection and quick automatic reclosing function

Technical Parameters