ZW32 12kv circuit breaker ac vacuum switch 24kv High Voltage ac circuit
breaker Outdoor for Switchgear earthing switch
ZW32-12 series outdoor pole-mounted vacuum circuit breaker is a kind of outdoor
three-phase AC power distribution equipment at 12kV and 50Hz, mainly used for
closing the load current and opening overcurrent and short circuit current in the power
system. It can be used as a section switch in the distribution line, branch line and ring
main and as a incoming switch in rural grid, industrial and mining enterprises, residential
areas, construction sites, etc.
Service Conditions:
Altitude: ≤1000m; if applied in special conditions, it is designed to 2000m to 4000m to
meet the requirements of different altitudes.
Ambient temperature: -40℃~+40℃;
Wind speed≤35m/s;
It is placed in the places without violent vibration
parameters
| ltem | Unit | Data |
| Ratedvoltage | KV | 12 |
| Ratedfrequency | Hz | 50 |
| Ratedcurrent | A | 630/1250 |
| Ratedshortcircuitbreakingcurrent | kA | 20/25 |
| Ratedpeakwithstandcurrent(peak) | kA | 50 |
| Ratedshort-timewithstandcurrent(4S) | KA | |
| Ratedshort-circuitdlosingcurrent(peak) | kA | 50 |
| Mechanicallife | Times | SpringOperation10000
PermanentMagnetic30000 |
| Ratedcurrentbreaking | Times | 0-0.3s-C0-180s-CO |
| Ratedshort-circuitbreakingcurrent | Times | 30 |
| Powerfrequencywithstandvoltage(1min) | KV | 42(acrossopencontacts:49/34) |
| Lightningimpulsewithstandvoltage(peak)inter-phase | KV | 75(acrossopencontacts:85) |
| Closingtime | ms | 25~60 |
| Totalbreakingtime | ms | s100 |
| Arcingtime | ms | s20 |
| Ratedinputpowerofenergystoragemotor | | 40 |
| Ratedoperatingvoltageandratedvoltageofauxilianycircuit | V | DC220,110,24 AC220,110,24 |
| Storagetimeunderratedvoltage | S | s10 |
| Ratedcurrentofover-currenttripper | A | 5 |
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.
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