Indoor High Voltage 12KV 3 Phase Vacuum Circuit Breaker For Industrial
≥10 Piece
$1,000.00
Quantity:
If you have your own design, please contact us, there will have a professional customer service to communicate with you.
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
Quick Details | |
Place of Origin | CN;ZHE |
Brand Name | Jecsany |
Model Number | ZN28-12 |
Material | stainless steel or hot-dip galvanized steel. |
MOQ | 10 |
Type | Circuit Breaker |
Product Name | Vacuum Circuit Breaker |
altitude | ≤1000m |
ambient temperature | -10°C-+40°C |
ZN28G ZN28A-12 series indoor vacuum circuit breaker is a three _phase AC 50Hz, rated vltage of 12kV indoor swichgear, control and protection for industrial and mining enterprise, power plants and substations, ecrical failis, and for frequent operation place.
Overall dimension
Model description
Technical Parameter
Item | Units | Parameters | ||
Rated voltage | KV | 12 | ||
Rated current | A | 630-3150 | ||
Rated short- circuit breaking current | KA | 20 | 31.5 | 40 |
Rated short- circuit closing current | KA | 50 | 80 | 100 |
Rated dynamic steady electric current(peak) | KA | 50 | 80 | 100 |
Rated thermal stability current(RMS) | KA | 20 | 31.5 | 40 |
Rated thermal stability time | S | 4 | ||
The breaking times of rated short circuit breaking current | Times | 30 (50) | ||
Open time of CD10 electromagnetic operating mechanism | mS | < 80 | ||
Rated operating sequence | O-0.3s-CO- 180s-CO | |||
A minute power frequency withstand voltage(RMS) | KV | The phase 42, section 48 | ||
Lightning shock pressure | KV | The phase 75, section 85 | ||
Mechanical life | Times | 10000 | ||
Note: 20KA,31.5KA t=0.3s t 1= 180s 40KA t=180s t 1= 180s. |
Power supply conditions | Within the factory production ZN28G-12 series indoor high voltage vacuum circuit breaker, can be equipped with CT17, CT19 spring mechanism and CD17 electromagnetic mechanism. |
Ambient condition | 1. Altitude:≤1000m; 2. The ambient temperature: not higher than +40℃. not less than 10℃(-30℃ is permitted storage) 3. Earthquake does not exceed degree 8; 4. Relative humidit: daily average value is not greater than 95%.monthly average is not greater than 90%; air relative humidity on average less than 2210-3Mpa. on average less than 1.810-3Mpa. 5. The surrounding air is not corrosive and flammable gas, steam and other significant plluion; |
Q: Can we get a sample for reference?
A: Yes, as long as the goods are conventional type, and you will be charged sample cost plus related shipping cost. Once you place an order to us, we can return or deduct the sample cost to you.
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 25-35days upon the receipt of advance payment.
Q: What is your terms of payment ?
A: We accept West Union, T/T, irrevocable L/C at sight. Prefer T/T 30% deposit before production, the balance against copy of B/L.
Q: Can you print our brand on the product?
A: Yes, of course, we also do OEM to print client’s brand on the product.



Business Type | Trading Company | Country / Region | Zhejiang, China |
Main Products | Cable Accessories,Surge Arresters,Fuse Cutouts,Isolates Switches,Reclosers | Total Employees | 5 - 10 People |
Total Annual Revenue | confidential | Year Established | 2017 |
Certifications | ISO9001 | Product Certifications | |
Patents | Trademarks | ||
Main Markets | Africa 46% South America 30% Domestic Market 10% |
JECSANY has been thrived on supplying the products according to the international standard such as 61952, IEC 61109, IEC 60099-4, IEC 60282-2, etc. With scientific administration, professional engineers, highly trained technicians and skilled workers, JECSANY is capable to produce more than 2 million units of the main electrics in best quality annually, almost all of its products have been made for overseas markets and well sold to USA, South Africa, Vietnam, Korea, South America, South Asia etc. over 50 countries worldwide. Some of its products have already been granted IEC certificates and have won high reputation around world market.
In order to meet new challenge and satisfy increased customers' demand on our products and quality, JECSANY will consistently keep on updating and developing more products for new and old clients. We are looking forward to your mutual cooperation and support as usual .
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