Customization: | Available |
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Type: | Power |
Structure: | Protection |
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Main technical parameters | |
Rated voltage | 12kV |
Rated current | 630/1250A |
Rated frequency | 50HZ |
Rated short-term power frequencywithstand voltage dry test | 48kV Between phases, phase to earth 42kV,Acrossthe interrupter,across isolatingdistance:48 kV |
Rated lightning impulse with stand voltage | 85 kV Between phases, phase to earth 75 kVA cross the interrupter, across isolatingdistance:85 kV |
Short-time withstand current | 25kA |
Duration of short-circuit | 4S |
Peak withstand current | 63KA |
Short-circuit making current | 63KA |
Short-circuit breaking current | |
AC component | 25KA |
DC component | 51% |
DC time constant | 45 ms |
Mechanical endurance | Circuit-breaker:10000 times, Class M2. Disconnector: 3000times. class Ml: Earthing position: 3000 times, ClassM1 |
The degree of protection | Enclosure: lP4X Partitions: IP2X |
USE OF CONDITION |
1. Ambient air temperature: from -5ºC to +40ºC, and average temperature shall be not higher than +35ºC in 24h. |
2. Atmospheric conditions, relative humidity shall not be over 50% when the highest temperature is at +40ºC. Bu higher humidity is allowed when the temperature is lower, for instance, humidity can be 90% when +20ºC. It shall be taker into consideration that changes in temperature can accidentally cause condensation. |
3. Absolute elevation shall be not higher than 2000m. (Otherwise, the capacity shall be reduced) |
4. The temperatures for transportation and storage of this device is from +25ºC to +55ºCC, in a short time (no longer than 24h) the limiting temperature can reach +70ºC, in that case, unrecoverable damages will not occur on the device In case the above service conditions are not satisfied. the user shall consult with the manufacturer |
5. If this device is used in offshore oil platforms or nuclear stations, another technical agreement shall be signed. |
Q1: Are you a factory or trading company
A1: We are a factory, we can guarantee our price is first-hand, very cheap and competitive.
Q2: How does your factory do regarding quality control?
A2: All the products will be 100% checked before the shipment!
Q3: When can l get the price?
A3:Usually we quote within 24 hours after we get your inguiry
Q4: What is the price of shipping?
A4:Depending upon the port of delivery, prices varies.