| Customization: | Available |
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| Type: | High-voltage |
| Structure: | Three-column Disconnector |
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AMBIENT CONDITION
1. Temperature Range: The switch is designed to operate effectively within a temperature range of -5°C to +40°C.
2. Altitude: Suitable for installation in areas with altitudes not exceeding 1000 meters.
3. Humidity: Recommended for use in environments with relative humidity levels not exceeding 90%.
4. Pollution Level: Applicable for use in areas with a pollution level of up to class II.
Product feature
1. Voltage and Current Handling: Capable of handling 12kV and 24kV voltage systems, the FN7-12(24) series effectively interrupts load currents and manages short-circuit currents, ensuring system protection and operational safety.
2. Switch-Fuse Combination: The FN7-12R model offers enhanced protection by combining the load break switch with a fuse, providing an additional layer of safety in medium-voltage systems.
3. Customization Options: The operating mechanism can be customized to be side-mounted based on customer requirements, offering flexibility in installation and operation.
4. Routine Maintenance: Regular inspections should be conducted to ensure the proper functioning of the operating mechanism and the integrity of the switch components.
5. Operational Safety: Operators should be trained to handle the load break switch appropriately, particularly in scenarios involving high load and short-circuit currents.
| Technical parameters | ||||
| No. | Item | Unit | Data | |
| 1 | Rated frequency | Hz | 50 | |
| 2 | Rated voltage | kV | 12 | |
| 3 | Rated current | A | 630(1250) | |
| 4 | Rated short-time withstand current and duration | kA/s | 20(25)/4 | |
| 5 | Rated peak withstand current | kA | 50(63) | |
| 6 | Rated short-time power frequency withstand voltage | Interphase, to earth(dry) | kV/min | 42/1 |
| Interphase, to earth(wet) | 30/1 | |||
| Break(dry) | 48/1 | |||
| Break(wet) | 36/1 | |||
| 7 | Rated lightning impulse withstand voltage | Interphase, to earth | kV | 75 |
| Break | 85 | |||
| 8 | Circuit resistance | μΩ | ≤80 | |
| 9 | Mechanical life | Times | 3000 | |
| 10 | Pollution grade | e class | ||
| 11 | Creepage distance | mm | ≥372 | |
| Note: If the altitude is over 1000m, the rated insulation level should be modified as appropriate. | ||||
Zhejiang Xianghu Technology Co., Ltd.is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet, intelligent solid insulation ring main unit, outdoor high voltage cable branch box, box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.
Manufacturing of the main products are 10kv High tension Mutual inductor,10 kv transformer, YBW box-type substation, KYN61-40.5, KYN28A - 24, KYN28A - 12, XGN2-10, HXGN-10 high voltage switchgear, XGN ring net cabinet, SHSRM inflatable ring main unit, SHSG solid ring main unit, MNS, GCS, GCS, GGD, XL and other transmission and distribution equipment.
For a long time also for all kinds of metallurgy, shipbuilding, electric power, mining, and intelligent buildings, high-rise buildings, hospitals, schools and other industries to provide high quality power transmission and distribution of complete sets of equipment and electrical control equipment. The company has a strong technical force, sophisticated technology and sophisticated testing methods, and the products sell well across the country. Deeply appreciated and praised by the broad masses of users.
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