Gold Member Since 2005
Audited Supplier
Ningbo Tianan Group Co., Ltd.

Disconnect Switch, Circuit Breaker, Protectors manufacturer / supplier in China, offering 12 - 15 kV Medium-Voltage Disconnect Switch / Air-Insulated, 110KV Three-Phase Oil Immersed Power Transformer, Emergency Power Transmission Distribution Movable Transformer Substation / 35kv~132kv Prefabricated Mobile Substation and so on.

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Supplier Homepage Product All Items Equipments 12 - 15 kV Medium-Voltage Disconnect Switch / Air-Insulated

12 - 15 kV Medium-Voltage Disconnect Switch / Air-Insulated

Purchase Qty.:
1-99 100+
FOB Unit Price: US $500 US $400
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $500
100+ US $400
Get Latest Price
Production Capacity: 50000 Sets / Year
Transport Package: Standard Export Packing
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: TA-1694
  • Operation: Energy-storage Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: ACB
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
  • Altitude: up to 3, 000m Above Sea Level
  • Special Conditions: Depends on The Customer
  • Rated Short Time Continual Time: 4 S
  • Typical Products: Circuit Breaker
  • Warranty: 2 Years
  • Specification: IEC60076-1, IEC60076-2, IEC60076-5
  • HS Code: 8535210000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 4
  • Function: Circuit-Breaker Failure Protection
  • Rated Voltage: 12 Kv
  • Environment: Indoor
  • Rated Current: 630 a
  • Test Equipment: IEC Standard
  • Frequency: 50 Hz
  • Trademark: Tianan Electric
  • Origin: Xiangshan Zhejiang P. R China
Product Description

AC High Voltage Outdoor Load 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

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