Kyn28A -12 indoor 12kv AC metal armored switchgear, high voltage electrical switchgear

KYN28-12 Metalclad Modular Switchgear Compact SwitchgearKYN series metal-clad removable enclosed switch cabinet (called switch cabinet for short). It is applicable for power receiving and distribution in the 3.6-12Kv three-phase AC 50Hz single bus bar and single bus bar sectioning system. It has the functions of controlling, pro

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KYN28-12 Metalclad Modular Switchgear Compact Switchgear

KYN series metal-clad removable enclosed switch cabinet (called switch cabinet for short). It is applicable for power receiving and distribution in the 3.6-12Kv three-phase AC 50Hz single bus bar and single bus bar sectioning system. It has the functions of controlling, protecting and monitoring the circuit.

>>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.Kyn28A -12indoor 12kv AC Metal-Clad Switchgear, High Voltage Electrical Switchgear

Kyn28A -12indoor 12kv AC Metal-Clad Switchgear, High Voltage Electrical Switchgear
Kyn28A -12indoor 12kv AC Metal-Clad Switchgear, High Voltage Electrical Switchgear

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