Products
24kV Contact Box
2. Rated Current: 630/1250/1600/2000/2500/3150A
3. Compatible Cabinet: Suitable for KYN28A-24 type cabinets.
4. Product Advantages: High insulation and reliability,Optimized environmental adaptability,Safety protection design,Maintenance-free design,Comprehensive model coverage.
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Product Introduction
24kV contact box is an insulating component molded by epoxy resin APG pressure gel molding process. It is mainly used in trolley-type switchgear and undertakes the functions of electrical connection and insulation isolation.
Product Specifications
Specification Sheet
|
S.N |
Item |
Data |
|
1 |
Rated voltage |
24kV |
|
2 |
Rated current |
630/1250/1600/2000/2500/3150A |
|
3 |
Frequency withstand voltage |
42kV/5min |
|
4 |
Rated lightning impulse withstand voltage |
75kV peak value(Contact to ground) |
|
5 |
Partial discharge |
≤5pC(1.1xUn) |
|
6 |
Temperature rise test |
Long-term operation end temperature rise ≤ 65K (in line with GB/T 11022 standard) |
|
7 |
Bending strength |
≥150MPa(Epoxy resin material) |
|
8 |
Insulation resistance |
≥109Ω(normal),≥108Ω(After being wet) |
|
9 |
Creepage distance |
≥300mm(Standard type),≥400mm(Enhanced) |
|
10 |
Tensile strength |
≥80MPa(Contact connection part) |
|
11 |
operating temperature |
-10℃~+40℃(normal),-25℃~+40℃(Low temperature type) |
|
12 |
relative humidity |
≤95%(No condensation at 20℃) |
|
13 |
altitude |
≤1000m(normal),2000m(Plateau type optional) |
|
14 |
pollution level |
Ⅲ level(Insulation design needs to be strengthened) |
|
15 |
Protection level |
IP4X |
|
16 |
Standard certification |
GB/T 11022(General technical requirements for high-voltage switchgear) |
|
DL/T 404(Technical conditions for ordering indoor AC high-voltage switchgear) |
||
|
IEC 62271-200(General specification for high-voltage switchgear) |
Scope of Application
24kV contact box is applicable to high-voltage switchgear systems with a rated voltage of 24kV and a current range of 630A to 4000A.
Product advantage
Do you know the 24kV contact box advantages?
High insulation and reliability
Optimized environmental adaptability
Safety protection design
Maintenance-free design
Comprehensive model coverage
Product Applications
24kV contact box has many applications:
Power Systems
Industrial Sector
New Energy
Product Structure
Product Structure
Company Introduction
Specialized manufacture: specialized manufacture 12kV~40.5kV indoor and outdoor high voltage vacuum circuit breaker and Switchgear and SF6 Gas insulated switchgear.
Team: Having a professional management team with more than 20 years working Experience
Product: Having 6 patents, main products are intelligent and miniaturization switch such as VTZ,VS1,ZN85 etc. That provide reliable and safe service in transmission and distribution industry and do the indispensable power equipment manufacturing industry participants.
Technical and cooperation: Having a professional technical team, collaboration with several universities and institutions on industry, education and research.
Honour: 1. High and new technology enterprise
2. Memeber of China Electrical Equipment Industrical ASSOCIATION
3. ISO9001 quality management system certification
4. Type test report from China autorized Lab
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