FN5-12(RDL) Series Indoor AC High Voltage Load Switch
The FN5-12 indoor AC high-voltage load switch (hereinafter referred to as the load switch) is suitable for use in 50Hz, 12kV AC networks. It is used to interrupt load current and close short-circuit currents. The load switch, equipped with a fuse, interrupts short-circuit currents and serves as a protective switch.
This load switch can be equipped with the CS6-1 manual operating mechanism, the dedicated CS manual operating mechanism, or the CJ electric operating mechanism.
After comprehensive type testing and long-term trial operation assessment, the performance of the FN5-12R(L) indoor AC high-voltage load switch-fuse combination appliance has met the requirements of IEC420 "AC high-voltage load switch-fuse combination appliance" (1990 edition) and GB3804 "3-63 kV AC high-voltage load switch" standards. Compared with similar foreign products, its technical parameters have reached the level of similar products. It has small size and light weight, can be used in ring network cabinets and box-type substations, and is widely used in the distribution of 10 kV line power. It can realize three positions of switching, isolation and grounding, and effectively avoid the equipment's phase-loss operation.
Model and meaning
Operating environment conditions
1. Ambient air temperature upper limit: +40°C, lower limit: -25°C
2. Altitude not exceeding 1000m;
3. Daily average relative humidity not exceeding 95%, monthly average not exceeding 90%.
4. Earthquake intensity not exceeding 8 degrees;
5. Location free from fire, explosion hazards, chemical corrosion, and severe vibration;
6. Pollution level: Level II;
7. Ambient air should not be significantly contaminated by corrosive or flammable gases, water vapor, or other pollutants.
Technical Parameters
| Item | Parameters |
| Rated voltage and maximum operating voltage (kV) | 12 |
| Rated frequency (Hz) | 50 |
| Rated current (A) | 630 |
| Rated active load breaking current and 5% rated active load breaking current (A) | 630,31.5 |
| Rated capacitive breaking current and rated inductive breaking current (A) | 10,40 |
| Rated transfer current (kA) | 1.3 |
| Rated short-time withstand current and rated peak withstand current (kA) | 20,50 |
| Mechanical life (times) | 2000 |
Appearance and installation dimensions
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If you are interested in FN5-12 indoor AC high-voltage load switch, please contact us for detailed technical information, quotation or customized solution!
📞:+8618789455087
📧 :pannie@hdswitchgear.com
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