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LFS-10Q(LFSB-10Q) current transformer
LFS-10Q and LFSB-10Q type current transformers are indoor epoxy resin cast full-condition products. They are installed in VE-10 type mid-mounted switch cabinets and other switch cabinets. They are used for current and electric energy measurement and relay protection in power systems with rated voltage of 10kV and rated frequency of 50Hz and below.
Classification:
Current transformer
Key words:
transformer
Product Description
1. Overview:
LFS-10Q and LFSB-10Q type current transformers are indoor epoxy resin cast full-condition products. They are installed in VE-10 type mid-mounted switch cabinets and other switch cabinets. They are used for current and electric energy measurement and relay protection in power systems with rated voltage of 10kV and rated frequency of 50Hz and below.
LFS, LFSB (replacement model LZZBJ8).
2. conditions of use:
The ambient temperature is -5 ℃ ~ 40 ℃, and the altitude is not more than 1000 meters. It can be used in Class II filthy areas.
3. technical parameters:
1. Power factor of load COS φ = 0.8 (hysteresis)
2. Rated insulation level: 12/42/75kV
3. Rated secondary current: 5A or 1A
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Rated current ratio
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Level Combinations
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Accurate grade and rated output (VA)
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Accuracy Limits
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Rated short time
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Rated dynamic stability
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Total weight
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| Product Model
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（A）
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Accuracy class and rated output
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value coefficient
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Thermal current
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constant current
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（kg）
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| Class
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| Type
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Rated Current
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Accurucy
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(Ka)
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(Ka)
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Total
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| combination
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0.2
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0.5
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1
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3
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10P
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ratio
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limitfactor
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Ith
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Idyn
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weight
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5~200/5
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80Iin
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200Iin
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300/5
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21
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51
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0.2S、0.2
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| LFS-10Q
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400/5
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24
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60
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| 0.5、10P
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10
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10
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10
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15
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15
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10
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13
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| LFSB-10Q
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| 600/5
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30
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72
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| two combinations
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800/5
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40
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80
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1000/5
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50
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4. installation dimensions:
5. Ordering Instructions:
When ordering, the product model, rated current ratio, accurate level combination and corresponding rated output, rated short-time current, etc. shall be provided. For special orders can be negotiated with the factory to resolve.
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Xiangtan Changcheng Transformer Co., Ltd.
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Address:
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No.8, Weiziwan, Shiji Village, Yuhu District, Xiangtan City, Hunan Province
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