Metal-Clad Modular Switchgear Compact Switchgear, High Voltage Electrical Switch Power Distribution Cabinet Switchgear with Circuit Breaker

Model NO.: KYN28-12(Z) Shell Material: Stainless Steel Structure: Cabinet, Protection Altitude: up to 3, 000m Above Sea Level Busbar: 3-Phase and 4-Wire Warranty: 10years Form: Partly-welded Type Application Range: Power Plants Brand: Tian Certification: CCC, ISO9001:2000, Pccc&IEC62271:200 Voltage Level: High Voltage Rated Insulation Voltage: 660( 1000)V Environment: Outdoor Frequency: 50( 60)Hz Type: Distribution Metering Box Size: 2 Uint Shell Protection Grade: IP55 KYN28A-12(Z) Metalclad Modular Switchgear Compact Switchgear
 
General
>>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.


Specifications

Item				Unit	Data
Rated voltage				kv	3.6, 7.2, 12,24KV
Rated frequency				hz	50
Rated current of circuit breaker				A	630, 1250, 1600, 2000, 2500, 3150, 4000
Rated current of switchgear				A	630, 1250, 1600, 2000, 2500, 3150, 4000
Rated short-time withstands current(4s)				ka	16, 20, 25, 31.5, 40, 50
Rated peak withstands current (peak value)				ka	40, 50, 63, 80, 100, 25
Rated short-circuit breaking current				ka	16, 20, 25, 31.5, 40, 50
rated short-circuit making current (peak value)				ka	40, 50, 63, 80, 100, 25
Rated insulation level	1min power frequency withstands voltage	pole to pole, pole to ground		kv	24, 32, 42
		fracture to fracture		kv	24, 32, 48
	lightning withstands voltage(peak)	pole to pole, pole to ground		kv	40, 60, 75
		fracture to fracture		kv	46, 70, 85
Protection degree			Enclosure is IP4X. IP2X when CPT and CB door are open
Note:  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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