the zw7-40.5.zw30h-40.5 Outdoor HV Vacuum Breaker on three-phase ac50hz it is used for controller and protecting 24~40.5kv transmission and distribution system ,it can also be used for network interconnecting breaker and switching capacitor bank. matching with segmentation controllers and automatic circult reclosers ,the product realizes intellectualized segmentation and reclose control of power systems ,annexing a current transformer inside,it provides measurement and protection.matching with spring or electromagnetism opereting mechanisms.the breaker has high reliability of mechanical property and can be operated frequently,it has no burning and explosion hazard,the breaker conforms to standards GB1984-1989 AC HVbreaker and IEC56,IEC62271-100HV AC breaker,the breaker’s main feature:excellent brek performance,long mechanical life up to 10000 times,simple structure,non maintenance,excellent insuiating property and strong anti soll performance.according to customer’s it can install current transformers inside.the measuring accuracy will be level of 0.2, and it realizes three-phase interaction protection
item unit parameter rated voltage KV 15 24 36 40.5 rated insulation level 1minpower frequency withstand coltage 50 60 70 95 lightning impulse withstand voltage(peak value) 110 150 170 185 rated current a 630/1000/1250/1600/2000 rated short circult breaking current ka 12.5/16/20/25/31.5 rated operating sequence o-0.3s-co-180s-co breaking current frequency under rated shout circlt times 12 rated short current switching current (peak value) ka 50,63,80 rated peak value withstand current rated short time withstand current ka 20,25,31.5 average switch off speed ms 1.5±0.20 1.5±0.20 1.5±0.20 1.5±0.20 average switch on speed 0.7±0.20 0.7±0.20 0.7±0.20 0.7±0.20 contact closing bounce time ≤2 ≤2 ≤2 ≤2 three-phase switching on or off non-synchroneity ≤2 ≤2 ≤2 ≤2 switch-on time ≤145 ≤145 ≤150 ≤150 switch-off time ≤70 ≤70 ≤70 ≤70 mechanism life times 10000 rated operating voltage and auxiliary circult reted voltage v dc220,110,48,24 ac220,110,48,24 each phase loop dc resistance(not include instrument transformers) μΩ ≤100 each phase loop dc resistance mm 3 weight kg 400 600 750 800
1、when order products,please offer product model;
2、name and quantity and choose related functional configuration based on operating requirements
3、if you have special requirements,please consult us and contact with our company
.Dimension and mounting
- [book id=’27’ /]
If you would like a quotation or further information on this product, please fill in the form below and we will reply to you within 1 working day.