Home > Other Switches >

12 - 35KV Indoor High Voltage Disconnect Switch For Protect And Control

Categories High Voltage Disconnect Switch
Brand Name: Tianan Electric
Certification: VDE ISO9001-2000
Place of Origin: China
MOQ: 1 unit
Price: Pending
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 22000 PCS/year
Delivery Time: 30 work days
Packaging Details: Wooden Case
Rated Voltage: 12 Kv
Altitude: up to 3, 000m Above Sea Level
Rated Current: 630 a
Rated Short Time Continual Time: 4 S
  • Product Details
  • Company Profile

12 - 35KV Indoor High Voltage Disconnect Switch For Protect And Control

35 kV Indoor Disconnect Switch


Main Characteristics

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


1. Can used in three-phase AC 50Hz ,24kVelectric power system ,
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

Using Environment

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.


FN12 Series AC HV Load Switch is a kind of three phase high voltage switch apparatus, suitable for
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

1Rated VoltagekV12
2Max. Working VoltagekV12
3Rated FrequencyHz50
4Rated CurrentA100
5Rated Short-circuit Switch-off CurrentkA50
61min Power Frequency Withstand voltage(value), to ground, interphase/isolation breakkA42/48
7Lighting Impluse Resisting Voltage (peak) to ground, interphase/isolation breakkV75/85
8Fuse Link Striking Output EnergyKg≈5
Technical Parameter of load switch with fuse
1Rated VoltagekV12
2Max. Working VoltagekV12
3Rated FrequencyHz50
4Rated CurrentA630
5Rated Power load switch-off currentA630
65% rated power load switch-off currentA31.5
7Rated capacity switch-off currentA10
8Rated inductance switch-off currentA40
9Rated transfer currentkA1.3
10Rated short-time withstand currentkA20
11Rated peak withstand currentkA50
12Mechanical endurancecycle2000

Quality 12 - 35KV Indoor High Voltage Disconnect Switch For Protect And Control for sale
Send your message to this supplier
*To: Ningbo Tianan (Group) Co.,Ltd.
Characters Remaining: (0/3000)
You may also be interested in :
Inquiry Cart 0
Company Info
  • Haven't found right suppliers
  • Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
  • And this service is free of charge.
  • we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!
  • Submit Buying Request
    Contact Us Quickly