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

Secondary Switchgear, Cabinet Switchgear, Power Distribution Switchgear manufacturer / supplier in China, offering Switchgear / Three-Phase / Low-Voltage / 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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Switchgear / Three-Phase / Low-Voltage / Air-Insulated

Purchase Qty.:
1-99 100+
FOB Unit Price: US $500,000 US $400,000
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $500,000
100+ US $400,000
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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-1641
  • Shell Material: Steel Plate
  • Rated Insulation Voltage: 660( 1000)V
  • Environment: Outdoor
  • Rated Voltage of Main Circuit( V): AC 380( 400, 660)
  • Test Equipment: IEC Standard
  • Frequency: 50( 60)
  • Type: Distribution Metering Box
  • Size: 3 Uint
  • Operation Voltage: 10-24kv
  • Brand: Tianan
  • Specification: IEC60076-1, IEC60076-2, IEC60076-5
  • HS Code: 8537209000
  • Certification: VDE, CCC, ISO9001:2000, IEC62271:200
  • Structure: Cabinet, Protection
  • Altitude: up to 3, 000m Above Sea Level
  • Special Conditions: Depends on The Customer
  • Busbar: 3-Phase and 4-Wire
  • Typical Products: Kyn28A-12(Z)
  • Warranty: 10 Years
  • Form: All- packaged Type
  • Shell Protection Grade: IP56
  • Application Range: Substation, Building
  • Trademark: Tianan Electric
  • Origin: Xiangshan Zhejiang P. R China
Product Description

KYN28A-12(Z) Metalclad Modular Switchgear Compact Switchgear


>>Ratings: system voltage 3.6kV, 7.2KV, 12KV, 24KV,rated current up to 4000A, 
          AC three phase 50/60HZ.
>>Application: mainly applicable in the power plant, substation, mineral enterprise to receive and 
             Distribute power with the functions of controlling, protecting and monitoring. It also can be  
             used in places where the frequently operations are in need.
>>Standard: IEC62271-200.

Working Conditions

1. Ambient air temperature: -15°C~+40°C.
2. Altitude: ≤1000m.
3. Relative humidity : Daily average≤95%, daily averange of vapour pressure≤2.2kpa.
4. Earthquake intensity: ≤magnitude 8.
5. Applicable in the places without corrosive and flammable gas and water vapor.
6. Used in place without frequently intense vibrant.
  Note: Customized products are available.


Rated voltagekv3.6, 7.2, 12,24KV
Rated frequencyhz50
Rated current of circuit breakerA630, 1250, 1600, 2000, 2500, 3150, 4000
Rated current of switchgearA630, 1250, 1600, 2000, 2500, 3150, 4000
Rated short-time withstands current(4s)ka16, 20, 25, 31.5, 40, 50
Rated peak withstands current (peak value)ka40, 50, 63, 80, 100, 25
Rated short-circuit breaking currentka16, 20, 25, 31.5, 40, 50
rated short-circuit making current (peak value)ka40, 50, 63, 80, 100, 25
Rated insulation level1min power frequency withstands voltagepole to pole, pole to groundkv24, 32, 42
fracture to fracturekv24, 32, 48
lightning withstands voltage(peak)pole to pole, pole to groundkv40, 60, 75
fracture to fracturekv46, 70, 85
Protection degreeEnclosure is IP4X. IP2X when CPT and CB door are open
1. The short-circuit capacity of current transformer is considered separately.                                                                                                          
2. Details of the parameters of ZN 63A-12 as per reference company' s sample.
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