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        4. LZCK322-10 11KV 33KV High voltage Split Core CT current transformer

          High voltage Split Core CT current transformer

          LZCK series split core current transformer is suitable forcurrent measurement and microcomputer protection of electrical equipment in 10KV and 35KV AC power system.It is widely used in compact fully insulated ring network switchgears such as ABB-Safe Ring/Safe Plus...and cable distribution boxes.The transformer can be directly installed at the inlet andoutlet cables.The slice is imported silicon material. Thesemicircular ring core and secondary windings arevacuum poured by insulated resin.

           

          Front View of Resin Split Core Current Transformer,doule ratio

          P1, P2 is primary polarity terminal, S1, S2 is secondary polarity terminal.
          P2, S2 is homonymous terminals (subtractive polarity).

          Parameters

          Technical parameters 
          Standards IEC60044-1; IEC 61869-2; ANSI C57.13; NTC 2205; GB1208-2006
          Rated primary current 30-600A
          Rated load ≤10VA
          Rated frequency 50Hz or 60Hz
          Rated secondary current 5A or 1A
          Rated short-time thermal current 40kA, 1S
          Rated continuous thermal current 120%I1n
          Secondary winding power-frequency voltage 3kV, 1min
          Instrument security factor FS≤10
          Mechanical parameters 
          Dimensions (W×D×H) (mm) φ50xφ110x52
          Weight (kg) 1.6
          Operating conditions 
          Operating temperature -35°C to +55°C
          Daily average temp <+40°C
          Altitude <3500 meters
          Condition No existence of severely begrimed, erosive and radioactive gas in the air. Permission of long-term operation under rated current.

          Technical data

          Type LZCK322-10 LZCK322-10
          Purpose Measuring current transformer Protection current transformer
          Ratio Accuracy class and rated load(VA) Accuracy class and rated load(VA)
          I1/I2 0.5 1 3 10P15 10P10 10P5
          30/1   1 1.5      
          50/1   1 2     1.25
          75/1   1.5 2.5   1 2
          100/1 2 2.5 3   1.5 2.5
          200/1 2.5     1.25 2.5  
          300/1 3.75     1.25 2.5  
          400/1 7.5     1.25 2.5  
          500/1 10     1.25 3  
          600/1 10     1.5 3  
          50/5     2.5      
          75/5     2.5      
          100/5 2.5          
          200/5 3.75          
          300/5 5          
          400/5 7.5       2.5  
          500/5 7.5       2.5  
          600/5 10       3.75  

          Selection guide

           Model Primary rated current Rated load Aperture (mm) Description (mm) Weight (kg) Material Water-proof
          LZCK-55 100-1500A ≤10VA φ55 180×138×52 2 PC  IP65
          LMCK185-10 300-3000A ≤25VA φ185 350×283×55 4.5 PC  IP65
          LZCK310-10 300-600A ≤10VA φ50 φ50 x φ110 x 32 1 Resin silicon case (option)
          LZCK322-10 30-600A ≤10VA φ50 φ50 x φ110 x 52 1.6 Resin silicon case (option)
          LZCK350-10 20-600A ≤25VA φ50 φ50 x φ110 x 105 3.1 Resin silicon case (option)
          LZCG530-10 30-600A ≤20VA φ45 φ45 x φ120 x 65 2.1 Resin silicon case (option)

          Ordering information

          Be sure to the type, current ratio, accuracy class, rated load and use of the products when you plan to make a order. Special specifications could be customized.All kinds of different specifications and parameters current transformers can be made according to your needs.

          Download Catalogue

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