Qingdao Hengfengyou Electrical Engineering Co., Ltd.
| Payment Terms | LC T/T |
| Supply Ability | 20000 pieces/year |
| Delivery Time | 15 days |
| Packaging Details | wooden case |
| Poles Number | 3 |
| Rated voltage | 12KV |
| Mechanical Life | 10000 times |
| Rated current | 630A |
| Rated short circuit breaking current | 20A |
| Frequency | AC 50/60 Hz |
| Brand Name | HENGFENGYOU |
| Model Number | zw20-12 / 630-25KA |
| Certification | IEC CB COC KEMA SNI SABS CCC |
| Place of Origin | China |
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Product Specification
| Payment Terms | LC T/T | Supply Ability | 20000 pieces/year |
| Delivery Time | 15 days | Packaging Details | wooden case |
| Poles Number | 3 | Rated voltage | 12KV |
| Mechanical Life | 10000 times | Rated current | 630A |
| Rated short circuit breaking current | 20A | Frequency | AC 50/60 Hz |
| Brand Name | HENGFENGYOU | Model Number | zw20-12 / 630-25KA |
| Certification | IEC CB COC KEMA SNI SABS CCC | Place of Origin | China |
| High Light | electrical vacuum breaker ，vacuum circuit switch | ||
Hengfengyou zw20-12 / 630-25KA outdoor column High Voltage Vacuum Circuit
Breaker 12KV manual circuit breaker
ZW20A-12 Type of outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage
of the three-phase AC 50HZ outdoor distribution equipment. It adopts vacuum arcing and SF6 gas
as insulating medium is ZW20-12 column type vacuum circuit breaker on the modified products.
The product suitable for substation industrial and mining establishments rural power network and
occasions with frequent operation to protect and control. ZW20A outdoor AC high voltage vacuum
circuit breaker is mainly used to break and close load current, over-load current and short-circuit
current in outdoor 36kv three-phase alternating current 50Hz power system, also suitable for occasion
with frequent operations.
Service conditions:
1. Ambient Temperature: -40℃ ~ +40℃
2. Altitude: ≤2000m
3. Wind speed: ≤34m/s
4. Earthquake intensity: ≤8
5. Relative humidity: daily≤95%, month≤90%
6. Installation site: Not including inflammable, explosive, chemical corrosion.
| Item | Unit | Numeric | ||
| NominalVoltage | KV | 12 | ||
| RatedFrequency | HZ | 50 | ||
| RatedCurrent | A | 630 | ||
| RatedShort-circuitBreakingCurrent | KA | 20 | ||
| DynamicStabilityratedcurrent | KA | 50 | ||
| RMS/Ratedthermalstabilization | KAIS | 20/4 | ||
| Mechanismlife | Times | 10000 | ||
| Ratedshort-circuitclosingbreakingNumber | Times | 30 | ||
| Ratedoperatingsequence | 0-0.35-C0-1805-CO 10000 | |||
| Ratedbreakingcurrentnumber | Tmes | |||
| Ratedshort-circuitcloseopencurrent | KA | 50 | ||
| Ratedinsulationlevel | KV | ShortPower- frequencywithstand | Thunder shocking | |
| PE | 42/34 | 75 | ||
| PP | 42/34 | 75 | ||
| Fracture | 48/34 | 35 | ||
| Assist | ||||
| SF6ratedpressure(20spendpressure) | MPa | 0.01 | ||
| Ratedshort-circuitclosingbreakingNumber | 30 | |||
| Ratedshort-circuitcut-offcurrent'sDCcomponent | %dc | 513 | ||
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.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
3000-5000
Employee Number:
100~200
Ecer Certification：
Active Member
Qingdao Hengfengyou Electrical Engineering Co., LTD., subordinate to Hengfengshuai Group, is an export-oriented enterprise with transmission and distribution industry as its main business, integrating product research and development, manufacturing and trade. Its main product... Qingdao Hengfengyou Electrical Engineering Co., LTD., subordinate to Hengfengshuai Group, is an export-oriented enterprise with transmission and distribution industry as its main business, integrating product research and development, manufacturing and trade. Its main product...
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