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The FKN12 Indoor High Voltage Load Switch is designed for three-phase high voltage electrical systems of 12kV and below. It is extensively used for controlling and protecting electrical equipment such as transformers, cables, and overhead lines. This load switch is particularly suitable for terminal substations and box-type substations in urban and rural power grids, as well as for controlling and protecting ring networks and dual radiation power supply units.
•This load switch is primarily used in three-phase high voltage electrical systems of 12kV and below, suitable for terminal substations, box-type substations, and for the control and protection of ring networks and dual radiation power supply units.
•It is widely applicable in both urban and rural distribution networks, meeting the demands of various power equipment scenarios.
1.High-Voltage Air-Blast Design: Offers stable operational performance and reliable electrical isolation.
2.Multifunctional Application: Suitable for controlling a wide range of power equipment including transformers, cables, and overhead lines.
3.Durable and Robust: Designed to meet stringent power equipment standards, ensuring reliable long-term operation.
•Before installation, ensure that the load switch is compatible with the site’s power system requirements to avoid unnecessary failures.
•Regular inspection of the load switch’s functions and safety features during use is essential for ensuring reliable operation.
•Installation and maintenance should be conducted by professionally trained personnel to ensure operational safety.
Technical Information
Technical Specification | ||
Rated voltage | kV | 12 |
Rated current | A | 630 |
Rated power frequency | Hz | 50/60 |
Short circuit making capacity | kA Peak. | 67 |
Peak withstand current | kA Peak. | 82 |
Short time current | kA eff. | |
1Sec. | 31.5 | |
2Sec. | 25 | |
3Sec. | 20 | |
Max. breaking capacity in co-operation with fuses IEC 62271-105(IEC 420 1990-11) | A | 1600 |
Max. fuse current(XRNT Fuse) | A | 125 |
Power frequency withstand voltage 50Hz 1 min,: | ||
- To earth and between poles | kV | 42 |
-Across isolating distance | kV | 45 |
Impulse withstand voltage 1.2/50μ s: | ||
- To earth and between poles | kV | 75 |
- Across isolating distance | kV | 85 |
Mechanism Endurance | cycles | 2000 |
The FKN12 Indoor High Voltage Load Switch is designed for three-phase high voltage electrical systems of 12kV and below. It is extensively used for controlling and protecting electrical equipment such as transformers, cables, and overhead lines. This load switch is particularly suitable for terminal substations and box-type substations in urban and rural power grids, as well as for controlling and protecting ring networks and dual radiation power supply units.
•This load switch is primarily used in three-phase high voltage electrical systems of 12kV and below, suitable for terminal substations, box-type substations, and for the control and protection of ring networks and dual radiation power supply units.
•It is widely applicable in both urban and rural distribution networks, meeting the demands of various power equipment scenarios.
1.High-Voltage Air-Blast Design: Offers stable operational performance and reliable electrical isolation.
2.Multifunctional Application: Suitable for controlling a wide range of power equipment including transformers, cables, and overhead lines.
3.Durable and Robust: Designed to meet stringent power equipment standards, ensuring reliable long-term operation.
•Before installation, ensure that the load switch is compatible with the site’s power system requirements to avoid unnecessary failures.
•Regular inspection of the load switch’s functions and safety features during use is essential for ensuring reliable operation.
•Installation and maintenance should be conducted by professionally trained personnel to ensure operational safety.
Technical Information
Technical Specification | ||
Rated voltage | kV | 12 |
Rated current | A | 630 |
Rated power frequency | Hz | 50/60 |
Short circuit making capacity | kA Peak. | 67 |
Peak withstand current | kA Peak. | 82 |
Short time current | kA eff. | |
1Sec. | 31.5 | |
2Sec. | 25 | |
3Sec. | 20 | |
Max. breaking capacity in co-operation with fuses IEC 62271-105(IEC 420 1990-11) | A | 1600 |
Max. fuse current(XRNT Fuse) | A | 125 |
Power frequency withstand voltage 50Hz 1 min,: | ||
- To earth and between poles | kV | 42 |
-Across isolating distance | kV | 45 |
Impulse withstand voltage 1.2/50μ s: | ||
- To earth and between poles | kV | 75 |
- Across isolating distance | kV | 85 |
Mechanism Endurance | cycles | 2000 |
