ZW8-12/T630-20 outdoor AC vacuum circuit breaker is for three- phase AC 50Hz,12KV power system, used for breaking and making
load current, overload current and short-circuit current.It is a device to control and protect the power network. It becomes an Intelligentcircuit breaker or automatic recloser by combing with the disconnecting switch and matching with controller. It comforms with the standard of GB1984: AC high voltage circuit breaker, and GB1985-2004:AC High -Voltage Disconnecting Switch and Earthing Switchk.
Madel Pescription
Main Technical Parameters
Conditions of use
1. Ambient air temperature: -25 ~+45(extreme cold area:-40℃ ) ;
2. Altitude: not higher than 1000m,2000mm,3000;
3. Wind pressure is less than 700pa (equivalent wind speed 34m/s);
4. Air pollution level: Ⅳ grade;
5. Applicable occasions should be free from inflammables, explosives, corrosives and severe vibration;
6.
Earthquake intensity: not exceed 8 degree.
Product outline dimension drawing
1.contact blade
2.a contact knife seat
3.insulating pillar
4.insulating rod
5.operating handle
6.isolating switch bracket
7.circuit breaker
