ZW8-12/630-20 with PT GPRS module 12KV 630A Intelligent type vacuum
circuit breaker vcb
ZW8-12 630-20 outdoor high voltage vacuum circuit breaker is an AC 50HZ
three-phase
power system, Attention should be paid to the load current, no-load current and
short-circuit current for switching off and closing the 10KV power
grid in urban areas,
It can also be used as a switch in rural power grid and small power
system, It is an oil-free
renewal product of urban and rural power grids.
| Item | Unit | TechnicalData |
| |1 | Ratedvoltage | KV | 12 |
| |2 | Ratedcurrent | A | 630 |
| |3 | Power-frequencywithstandvoltage | KV | 42/48 |
| |4 | Lightingimpulsewithstandvoltage(peakvalue) | KV | 75/85 |
| |5 | Ratedshort-circuitopeningcurrent | kA | 20 |
| |6 | Ratedshort-circuitdlosingcurrent | kA | 50 |
| 7 | Ratedshortcircuitcurrentinterruptiontimes | times | ≥30 |
| 8 | Mechanicallife | times | 10000 |
| |9 | Ratedoperatingvoltage(tumn-in/turmn-ofcoil) | V | DC220VIAC220V |
| 10 | AllowableWearThicknessofDynamicandStatic
Contacts | mm | 3mm |
| 11 | Disconnectiondistanceofisolationfradure | mm | >200mm |
| 12 | Ratedoperatingsequence | | 0-0.3s-C0-180s-CO |
Specification:
Snapped vacuum interrupter,air insulated,with electric spring
operating mechanism,allowing
breaking the ability strong,high frequency short-circuit
breaking,no fire and explosion hazards,
easy operation is an excellent,practical,strong product.
The product structure using three-phase common tank type,casing
into the outlet,cabinets dry
air,electric spring mechanism is disposed on the side of the
box,can be used under relatively
harsh environmental conditions.
This product is vacuum interrupter ceramic shell,goblet
longitudinal magnetic field electrode
structure,copper-chromium contact materials,with excellent breaking
and closing short-circuit
current capability.
The product is small,light weight,becautiful apperance.vacuum
interrupter ans insulation support
sleeve design compact,pole qualifying conductive silicone rubber
outer note,can adapt to harsh
weather confitions and dirty environmrnts.
About us
Qingdao Hengfengyou Electrical Engineering Co. , Ltd. is one of the
large-scale electric complete
sets of manufacturers in China, specializing in oil-immersed
transformers, dry-type transformers,
high-voltage Cabinets, low-voltage cabinets and substation
manufacturing specialized electrical
enterprises. The company is located in the beautiful coastal city
of china-qingdao. The company
has a registered capital of 10 million yuan, 20 senior technical
personnel, more than 500 employees,
and a sound sales and service system, annual output value of US $1
billion, the products sell well
at home and abroad.
