AC High Voltage Outdoor Load Switch
NINGBO TIANAN (GROUP) CO., LTD.
Main CharacteristicsÂ
Rated voltage from 72,5 to 550kV
Reliable in adverse operating conditions such as high winds and heavy ice
Always stable in the close position during short circuits
Rigid and well supported terminal pads permit post insulators and additional space savings
Galvanized structural steel channel base assures high strength and rigid design
Supplied or easily retro-fitted with 1 or 2 earthing switches
Customised solutions available: vertical, underhung and phase-to-phase
Specifications
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1. Can used in three-phase AC 50Hz ,24kVelectric power system ,Â
2. Can used in the equipment of mining and
   industry ,enterprise, power plants and substations for protect and control .
3. Can used in KYN28A-24(GZS) switchgear
  cabinet and XGN fixed type switchgear cabinet.
4. Has  Advanced vacuum arcing chamber.
5.insulation cylinder made by APG new technology
6.Confirmed to GB1984-2003, GB/T11022-1999 ,IEC62271-100 , DL/403
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using environment
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1. The temperature in surrounding air: Max:+40°C~Min -15°C,The average:<=+35°C
2. Humidity: The average of relative temperature within 24hours is <=95%, The average of Water
   vapour pressure within 24hours is <=2.2kpa.
3. Here is no serious pollution from dust, smoke,corrosive or combustible gas,
   vapor or salt spray, and so on.
General
FN12 Series AC HV Load Switch is a kind of three phase high voltage switch apparatus, suitable forÂ
12kV rated voltage, 50Hz rated frequency alternative current, It is mainly used in downtown power distribution station and industrial electric equipment of three phase ring main unit electricity circle or terminal power supply, for breaking and closing short circuit current.
Service condition
1. The altitude does not exceed 1000m.
2. The ambient air temperature: Highest:+40oC, the lowest:-10oC
3. The relatire Humidity of air not bigger 90% (around the 25oC envirenment)
4. The working situation have no conductivity dust.
5. The working situation have no corrosive gas of affect insulation and destroy metal.
6. The working situation without violent vibration and striking.
7. The working situation have no explosive danger and fire.
Technical parameter
| No. | Item | unit | Parameter |
| 1 | Rated Voltage | kV | 12 |
| 2 | Max. Working Voltage | kV | 12 |
| 3 | Rated Frequency | Hz | 50 |
| 4 | Rated Current | A | 100 |
| 5 | Rated Short-circuit Switch-off Current | kA | 50 |
| 6 | 1min Power Frequency Withstand voltage(value), to ground, interphase/isolation break | kA | 42/48 |
| 7 | Lighting Impluse Resisting Voltage (peak) to ground, interphase/isolation break | kV | 75/85 |
| 8 | Fuse Link Striking Output Energy | Kg | ≈5 |
| Technical Parameter of load switch with fuse | |||
| No. | Item | Unit | Parameter |
| 1 | Rated Voltage | kV | 12 |
| 2 | Max. Working Voltage | kV | 12 |
| 3 | Rated Frequency | Hz | 50 |
| 4 | Rated Current | A | 630 |
| 5 | Rated Power load switch-off current | A | 630 |
| 6 | 5% rated power load switch-off current | A | 31.5 |
| 7 | Rated capacity switch-off current | A | 10 |
| 8 | Rated inductance switch-off current | A | 40 |
| 9 | Rated transfer current | kA | 1.3 |
| 10 | Rated short-time withstand current | kA | 20 |
| 11 | Rated peak withstand current | kA | 50 |
| 12 | Mechanical endurance | cycle | 2000 |
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General Future:
5-20 years design life(25℃)
Non-spillable construction
Sealed and maintenance-free
Excellent recovery from deep discharge
High density active materials plates
Longer Life and low self-discharge design
Standards:
Compliance with IEC, BS, JIS and EU standards.
UL, CE Certified
ISO45001,ISO 9001 and ISO 14001 certified production facilities
Application:
Solar and wind power system
Communication systems
Uninterruptible power supplies
Golf cars and buggies
Alarm and security system
Electric toy and wheelchairs, etc.
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