Name:Vacuum circuit breaker
FOB Port:Ningbo/Shanghai/Yiwu/Guangzhou/Shenzhen
Terms of Payment:T/T
Tel: +86 13706784523(Whatsapp)/
Email: amy@putai-electric.com /
Name:Vacuum circuit breaker
FOB Port:Ningbo/Shanghai/Yiwu/Guangzhou/Shenzhen
Terms of Payment:T/T
ZW7A outdoor high-voltage AC vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 40.5K outdoor device for industrial and mining enterprises, power plants and substations for the control and protection of electrical equipment, especially for frequent operation of the place.
ZW7A outdoor high-voltage AC vacuum circuit breaker is reliable, easy to install, is the best choice for control and protection of high-voltage transmission and distribution system.
| Item | Unit | Reference value | |||
| Rated Voltage | kV | 40.5 | |||
| Rated insulation level | Lightning impulse withstand voltage | kV | 185 | ||
| 1min frequency withstand voltage | kV | 95 | |||
| Rated frequency | Hz | 50/60 | |||
| Rated current | A | 1250/1600/2000/2500 | |||
| Rated short-circuit breaking current | kA | 20/25/31.5 | |||
| Rated short-circuit closing current (peak) | kA | 50,63,80 | |||
| Rated short-time withstand current | kA | 20/25/31.5 | |||
| Rated peak withstand current | kA | 50,63,80 | |||
| Rated operating sequence | 0-0.3s-CO-180s-CO | ||||
| Rated short-circuit duration | S | 4 | |||
| Rated short-circuit current breaking times | Time | 30 | |||
| Mechanical life | M2级 | ||||
| Quality | kg | 1000 | |||
Welded elbows in stainless steel pipe fittings can cause corrosion when used incorrectly. After corrosion occurs in welded stainless steel elbows, the pipe wall of t...
Thin-walled elbows in stainless steel pipe fittings are a common pipe connection component. They are generally sanitary grade. The grooves are generally flat and hav...
Flanged joints in stainless steel pipe fittings are a kind of connecting material commonly used in the construction and engineering fields. It uses a stamping proces...
There are also many ways to process stainless steel flanges. Many of them still belong to the category of mechanical processing, and the most commonly used methods a...
-12.jpg)
