HGD2-12 series 12KV indoor high voltage vacuum circuit breaker has a compact design. It is suitable for
650mm width switchgear, used as protection and control unit of power equipment of industrial & mining
enterprise. Due to the super excellence, it is especially suitable for locations where requires the frequent
operation under rated working current or multiple breaking under short circuit breaking current. The
circuit breaker adopts the integrated design of operating mechanism and circuit breaker body, servers as
not only fixed installation, but also draw-out type equipped with a special propelling mechanism.
HGD2-12 has two main types. One is Draw-out type. Model No. is HGD2-12D. The other is Fixed type.
Model No. is HGD2-12F.
|3||Rated lightning impulse withstand voltage (1 min)||KV||75|
|4||Rated short-time power frequency withstand voltage (1 min)||KV||42|
|5||Rated short-circuit breaking current||KA||20||25|
|6||Rated current||A||630 1000|
|7||Rated peak withstand current||KA||50||63|
|8||Rated shorted-time withstand current (4S)||KA||20||25|
|9||Power frequency withstand voltage of secondary circuit (1min)||V||2000|
|10||Rated operation sequence||O-0.3s-CO-180s-CO|
|11||Rated breaking current of (single/back to back)capacitor bank||A||630/400|
|12||Opening time(rated voltage)||ms||20-50|
|13||Closing time(rated voltage)||ms||30-70|
|14||Rated short-time current breaking times||Times||50|
|16||Rated opening/closing voltage||V||AC110,220; DC110,220|
|17||Rated voltage of energy-storage motor||V||AC110,220; DC110,220|