Zhejiang Linbai Electric Technology Co., Ltd.  

Product Name: Indoor 12kv AC metal-Clad Switchgear, High Voltage Electrical Switchgear Model NO.: KYN28-12 Voltage Level: High Voltage Shell Material: Steel Plate Certification: ISO9001 Trademark: C. LBE Product Description 630A-1250A Kyn28A Indoor 12kv AC metal-Clad Switchgear, High Voltage Electrical 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, 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 Conditions1. 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.SpecificationsItem Unit DataRated voltage kv 3.6, 7.2, 12,24KVRated frequency hz 50Rated current of circuit breaker A 630, 1250, 1600, 2000, 2500, 3150, 4000Rated current of switchgear A 630, 1250, 1600, 2000, 2500, 3150, 4000Rated short-time withstands current(4s) ka 16, 20, 25, 31.5, 40, 50Rated peak withstands current (peak value) ka 40, 50, 63, 80, 100, 25Rated short-circuit breaking current ka 16, 20, 25, 31.5, 40, 50rated short-circuit making current (peak value) ka 40, 50, 63, 80, 100, 25Rated insulation level 1min power frequency withstands voltage pole to pole, pole to ground kv 24, 32, 42fracture to fracture kv 24, 32, 48lightning withstands voltage(peak) pole to pole, pole to ground kv 40, 60, 75fracture to fracture kv 46, 70, 85Protection degree Enclosure is IP4X. IP2X when CPT and CB door are openNote: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.