Knkong Electric Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 unit per month |
| Delivery Time | 15 working days |
| Packaging Details | Standard export packaging |
| Rating Voltage | 12KV |
| Rating Current | 630A 1250A |
| Rating Frequency | 50Hz |
| Standards | ISO9001:2015,CCC,ISO9001,CE, CB,IEC60898 |
| OEM/ODM | Available |
| Manufactory | KNKONG |
| Brand Name | KNKONG |
| Model Number | ZW30 |
| Certification | ISO9001:2015,CCC,ISO9001,CE, CB,IEC60898 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 500 unit per month |
| Delivery Time | 15 working days | Packaging Details | Standard export packaging |
| Rating Voltage | 12KV | Rating Current | 630A 1250A |
| Rating Frequency | 50Hz | Standards | ISO9001:2015,CCC,ISO9001,CE, CB,IEC60898 |
| OEM/ODM | Available | Manufactory | KNKONG |
| Brand Name | KNKONG | Model Number | ZW30 |
| Certification | ISO9001:2015,CCC,ISO9001,CE, CB,IEC60898 | Place of Origin | China |
| High Light | 12KV Outdoor VCB ，12KV Outdoor VCB Circuit Breaker ，outdoor vcb breaker | ||
Product Introduction
/filedownload/50488ZW20 Series Vacuum circuit breaker consists of three parts: circuit breaker body, operating mechanism and lifting device.The circuit breaker body consists of conductive circuit, insulation system, the seals and housing. The entire conductive loop is formed by in and out wire conducting rod, conductive clip, soft connection and vacuum arcing chamber.
This product uses SF6 gas insulation. The inlet and outlet insulating sleeves are integrally cast with epoxy resin silicon rubber. In order to reduce the volume of the switch, A and C phases use a corner bushing to ensure good external insulation. The interior adopts a composite insulation structure, in the case of no SF6 gas charging, it also can reach the corresponding insulation level.
This product adopts a mature sealing structure: the mechanism cover and the upper cover of the housing are sealed with a stamping forming groove, and the output pointer shaft is sealed with a double 0” ring, and the inlet and outlet line bushings are integrally cast to ensure good airtightness.
Normal service condition:
1. Altitude≤2000
2. Ambient temperature: -15℃~+50℃
3. Maximum water vapor pressure:24 hours ≤2.2kpa1 month ≤1.8kpa
4. Wind pressure:≤700pa(34m/s)
5. Earthquake intensity ≤8
6. Ice thickness ≤10mm
7. No fire, explosion danger, chemical corrosion, violent vibration
Technical Parameters
|
No. |
Item |
Unit |
Parameter |
|
1 |
Rated voltage |
KV |
12 |
|
2 |
Rated frequency |
Hz |
50 |
|
3 |
Rated current |
A |
630 1250 |
|
4 |
Power frequency withstand voltage(DryWet isolation fracture) |
KV |
423448 |
|
5 |
Lightning shock withstand voltage |
KV |
75 |
|
6 |
Rated short-circuit breaking current |
KA |
2025 |
|
7 |
Rated short circuit breaking current breaking times |
times |
30 |
|
8 |
Rated operating sequence |
O-0.3s-CO-180s-CO |
|
|
9 |
Rated short-circuit closing current |
KA |
50 63 |
|
10 |
Rated short time withstand current |
20 25 |
|
|
11 |
Rated peak value of withstand current |
50 63 |
|
|
12 |
Rated short circuit duration |
s |
4 |
|
13 |
Mechanical endurance |
times |
10000 |
|
14 |
Contact allowabled wear thickness |
mm |
3 |
Company Details
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
1000000-9000000
Employee Number:
50~100
Ecer Certification：
Active Member
Knkong Electric Co., Ltd (Zhengzhou Knkong Mechanical And Electrical Co., Ltd)was established in 2012. A wholly-owned subsidiary of Henan Sanhe Electric Group. We are mainly responsible for overseas market exporting, electronic components, and technology import. Relying on a h... Knkong Electric Co., Ltd (Zhengzhou Knkong Mechanical And Electrical Co., Ltd)was established in 2012. A wholly-owned subsidiary of Henan Sanhe Electric Group. We are mainly responsible for overseas market exporting, electronic components, and technology import. Relying on a h...
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