loading
| Availability: | |
|---|---|
| Quantity: | |
The FKN12 - 12D/T630 - 20 type indoor AC high - voltage load switch (hereinafter referred to as FKN12 - 12D load switch) is a three - phase high - voltage switching device with a rated voltage of 12KV and a rated frequency of 50HZ. It is used for switching on and off load current, loop current, no - load transformer current and cable charging current, as well as closing short - circuit current. The load switch equipped with an earthing switch can withstand short - circuit current.
The FKRN12 - 12D/T125 - 31.5 type AC high - voltage load switch - fuse combined electrical appliance is an indoor high - voltage switching device formed by combining the FN12 - 12D load switch with the S□LAJ - 12 (XRNT□ - 10) high - voltage current - limiting fuse.
It can reliably break any current up to short - circuit current; the load switch breaks the working current, the fuse breaks the short - circuit current, and they jointly break any overcurrent between the working current and the full short - circuit current. At the same time, the fuse makes the load switch open through its striker.
The FKN12 - 12D/T630 - 20 type indoor AC high - voltage load switch (hereinafter referred to as FKN12 - 12D load switch) is a three - phase high - voltage switching device with a rated voltage of 12KV and a rated frequency of 50HZ. It is used for switching on and off load current, loop current, no - load transformer current and cable charging current, as well as closing short - circuit current. The load switch equipped with an earthing switch can withstand short - circuit current.
The FKRN12 - 12D/T125 - 31.5 type AC high - voltage load switch - fuse combined electrical appliance is an indoor high - voltage switching device formed by combining the FN12 - 12D load switch with the S□LAJ - 12 (XRNT□ - 10) high - voltage current - limiting fuse.
It can reliably break any current up to short - circuit current; the load switch breaks the working current, the fuse breaks the short - circuit current, and they jointly break any overcurrent between the working current and the full short - circuit current. At the same time, the fuse makes the load switch open through its striker.
The FKN12A - 12D pneumatic load switch and the FKRN12A - 12D series pneumatic load switch - fuse combined electrical appliance are suitable for 12KV and below three - phase power distribution systems. They are used for the control and protection of power equipment such as transformers, cables, and overhead lines. They are particularly suitable for terminal substations and box - type substations in urban and rural power grids, and also for the control and protection of ring network and dual - radiation power supply units.
The FKN12A - 12D series pneumatic load switch can switch on and off load current and overload current.
The FKRN12A - 12D series pneumatic load switch - fuse combined electrical appliance can switch on and off load current, overload current, and break short - circuit current in the line.
Structural Features
The load switch, earthing switch, fuse, and mechanism are on one frame, which can be flexibly combined. The structure is compact, the volume is small, and the installation is convenient and simple;
The fracture is arranged in a direct - acting manner, with high dynamic and thermal stable current parameters, and the operation is completed at one time;
It is equipped with a static contact insulating cover, which realizes isolation for the ring network cabinet in structure, eliminating the need for phase - to - phase insulating partitions. The fracture insulating insert plate can prevent arc short - circuit accidents in the cabinet;
It has a unique shutter structure. After the load switch is opened, the shutter automatically isolates the fracture, and the protection performance is good;
There is a reliable mechanical interlocking device between the load switch, earthing switch, and fuse, meeting the "five - prevention" requirements;
It has two forms: manual operation and electric operation with AC/DC dual - purpose operating power supply, which is convenient to realize the "three - remote" requirements of the power system.
The FKN12A - 12D pneumatic load switch and the FKRN12A - 12D series pneumatic load switch - fuse combined electrical appliance are suitable for 12KV and below three - phase power distribution systems. They are used for the control and protection of power equipment such as transformers, cables, and overhead lines. They are particularly suitable for terminal substations and box - type substations in urban and rural power grids, and also for the control and protection of ring network and dual - radiation power supply units.
The FKN12A - 12D series pneumatic load switch can switch on and off load current and overload current.
The FKRN12A - 12D series pneumatic load switch - fuse combined electrical appliance can switch on and off load current, overload current, and break short - circuit current in the line.
Structural Features
The load switch, earthing switch, fuse, and mechanism are on one frame, which can be flexibly combined. The structure is compact, the volume is small, and the installation is convenient and simple;
The fracture is arranged in a direct - acting manner, with high dynamic and thermal stable current parameters, and the operation is completed at one time;
It is equipped with a static contact insulating cover, which realizes isolation for the ring network cabinet in structure, eliminating the need for phase - to - phase insulating partitions. The fracture insulating insert plate can prevent arc short - circuit accidents in the cabinet;
It has a unique shutter structure. After the load switch is opened, the shutter automatically isolates the fracture, and the protection performance is good;
There is a reliable mechanical interlocking device between the load switch, earthing switch, and fuse, meeting the "five - prevention" requirements;
It has two forms: manual operation and electric operation with AC/DC dual - purpose operating power supply, which is convenient to realize the "three - remote" requirements of the power system.
| Serial Number | Name | Unit | Data |
| 1 | Fracture Opening Distance | mm | ≥ 175 |
| 2 | Phase - to - phase Center Distance | mm | 210 ± 2 |
| 3 | Phase - to - phase Air Gap | mm | ≥ 125 |
| 4 | Stroke | mm | 210 ± 4 |
| 5 | Overstroke | mm | ≥ 40 |
| 6 | Three - phase Closing Asynchronism | ms | ≤ 10 |
| 7 | Three - phase Opening Asynchronism | ms | ≤ 5 |
| 8 | Inherent opening time of Shunt Trip | ms | 40 - 65 |
| 9 | Main Circuit Resistance | μΩ | ≤ 130 |
| Serial Number | Name | Unit | Data |
| 1 | Fracture Opening Distance | mm | ≥ 175 |
| 2 | Phase - to - phase Center Distance | mm | 210 ± 2 |
| 3 | Phase - to - phase Air Gap | mm | ≥ 125 |
| 4 | Stroke | mm | 210 ± 4 |
| 5 | Overstroke | mm | ≥ 40 |
| 6 | Three - phase Closing Asynchronism | ms | ≤ 10 |
| 7 | Three - phase Opening Asynchronism | ms | ≤ 5 |
| 8 | Inherent opening time of Shunt Trip | ms | 40 - 65 |
| 9 | Main Circuit Resistance | μΩ | ≤ 130 |
The load switch, earthing switch, fuse, and mechanism are on one frame, which can be flexibly combined. The structure is compact, the volume is small, and the installation is convenient and simple;
The fracture is arranged in a direct - acting manner, with high dynamic and thermal stable current parameters, and the operation is completed at one time;
It is equipped with a static contact insulating cover, which realizes isolation for the ring network cabinet in structure, eliminating the need for phase - to - phase insulating partitions. The fracture insulating insert plate can prevent arc short - circuit accidents in the cabinet;
It has a unique shutter structure. After the load switch is opened, the shutter automatically isolates the fracture, and the protection performance is good;
There is a reliable mechanical interlocking device between the load switch, earthing switch, and fuse, meeting the "five - prevention" requirements;
It has two forms: manual operation and electric operation with AC/DC dual - purpose operating power supply, which is convenient to realize the "three - remote" requirements of the power system.
Operating Conditions
Ambient air temperature: - 25°C ~ + 40°C;
Altitude: not exceeding 1000m;
Relative humidity: daily average not greater than 95%, monthly average not greater than 90%.
Earthquake intensity: not exceeding magnitude 8;
Places without fire, explosion hazards, chemical corrosion, and severe vibration;
Pollution level: Ⅱ.
The load switch, earthing switch, fuse, and mechanism are on one frame, which can be flexibly combined. The structure is compact, the volume is small, and the installation is convenient and simple;
The fracture is arranged in a direct - acting manner, with high dynamic and thermal stable current parameters, and the operation is completed at one time;
It is equipped with a static contact insulating cover, which realizes isolation for the ring network cabinet in structure, eliminating the need for phase - to - phase insulating partitions. The fracture insulating insert plate can prevent arc short - circuit accidents in the cabinet;
It has a unique shutter structure. After the load switch is opened, the shutter automatically isolates the fracture, and the protection performance is good;
There is a reliable mechanical interlocking device between the load switch, earthing switch, and fuse, meeting the "five - prevention" requirements;
It has two forms: manual operation and electric operation with AC/DC dual - purpose operating power supply, which is convenient to realize the "three - remote" requirements of the power system.
Operating Conditions
Ambient air temperature: - 25°C ~ + 40°C;
Altitude: not exceeding 1000m;
Relative humidity: daily average not greater than 95%, monthly average not greater than 90%.
Earthquake intensity: not exceeding magnitude 8;
Places without fire, explosion hazards, chemical corrosion, and severe vibration;
Pollution level: Ⅱ.
1. switchgears, Substation ,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.
Our factory is the excellent supplier of State Grid Corporation od China.
2. Do you accept customized serveice?
We offer OEM/ODM service, can print your logo on product. our professional technical and quotation team can provice a satisfied project according to your drawing and parameters .
3. What is your MOQ?
Our MOQ is 1 piece.
4. How long is your delivery lead time?
It depends on your product requirement and quantity. Generally , 5~10 working days is avaliable.
5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse. we will make a satisfied soluton within 2 days.
6. What is your payment terms?
30%T/T in adcance, 70% before shipment. West union, L/C are also acceptable.
1. switchgears, Substation ,transformers,cable distribution box and various electrical equipment, such as vacuum circuit breaker , load break switch etc.
Our factory is the excellent supplier of State Grid Corporation od China.
2. Do you accept customized serveice?
We offer OEM/ODM service, can print your logo on product. our professional technical and quotation team can provice a satisfied project according to your drawing and parameters .
3. What is your MOQ?
Our MOQ is 1 piece.
4. How long is your delivery lead time?
It depends on your product requirement and quantity. Generally , 5~10 working days is avaliable.
5. How do you solve quality problems?
Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse. we will make a satisfied soluton within 2 days.
6. What is your payment terms?
30%T/T in adcance, 70% before shipment. West union, L/C are also acceptable.
English
简体中文
