ZW8 12 / 630A outdoor vacuum circuit breaker | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ZW8-12 series outdoor high voltage AC vacuum circuit breaker (hereinafter referred to as "circuit breaker") is a three-phase AC 50Hz outdoor high voltage switchgear; mainly used for rural power network and city network 10kV system, as the load, load current, overload current And short circuit current; can also be used for other similar places. ZW8-12 series of outdoor exchange high voltage vacuum circuit breaker in line with national standards GB1984 "AC high voltage circuit breaker" and IEC 60056 "high voltage AC circuit breaker" and other standards.
◆型号意义
◆ conditions of use 1. ambient air temperature: -40 ℃ ~ +40 ℃; 2. Altitude: no more than 2000m; 3. The surrounding air can be dust, smoke, corrosive gases, steam or salt fog pollution; 4. wind speed does not exceed 34m / s (equivalent to 700Pa on the cylindrical surface); 5. Vibration or ground from the switchgear and control equipment is negligible; 6. Pollution level: Ⅲ level.
Note: ZW8-12 circuit breaker rated current of 1000A, only applies to the altitude of ≤ 1250 m area
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