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LZZBJ7-35 current transformer
LZZBJ7-35 type current transformer is suitable for electrical measurement and protection in indoor devices of power system with rated frequency of 50Hz and rated voltage of 35kV. It has the advantages of high dynamic thermal stability parameters, large secondary output capacity and stable insulation performance. Can completely replace LCZ-35Q and other similar old-fashioned products. Can provide two ratio and three secondary products for users to choose.
Classification:
Current transformer
Key words:
transformer
Product Description
1. Overview:
LZZBJ7-35 type current transformer is suitable for electrical measurement and protection in indoor devices of power system with rated frequency of 50Hz and rated voltage of 35kV. It has the advantages of high dynamic thermal stability parameters, large secondary output capacity and stable insulation performance. Can completely replace LCZ-35Q and other similar old-fashioned products. Can provide two ratio and three secondary products for users to choose.
2. conditions of use:
The ambient temperature is -25 ℃ ~ 40 ℃, the altitude is not more than 1000 meters, and there is no serious pollution area in the atmosphere.
3. technical parameters:
1. Power factor of load COS φ = 0.8 (hysteresis)
2. Rated insulation level: 40.5/95/185kV
3. Rated secondary current: 5A or 1A
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Rated current ratio
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Accurate grade and rated output (VA)
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Rated short time
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Rated dynamic stability
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Total weight
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（A）
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Level Combinations
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Accuracy class and rated output
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Thermal current
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constant current
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（kg）
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| Type
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Rated Current
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Class combination
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(Ka)
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(Ka)
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Total
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| 0.2S
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0.2
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0.5
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10P
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ratio
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Ith
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Idyn
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weight
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15~100/5
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0.2/0.5
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150Iin
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375Iin
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0.2/10P10
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150/5
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0.5/10P10
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150Iin
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375Iin
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0.2/10P15
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-
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30
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30
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30
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200/5
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150Iin
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375Iin
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0.5/10P15
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10P10/10P10
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300~600/5
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45
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80
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| LZZBJ7-35
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0.2/0.5/10P10
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0.2/0.5
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400-~800/5
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0.2/10P10
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63
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100
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0.5/10P10
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0.2/10P15
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-
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30
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30
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30
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0.5/10P15
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1200~2000/5
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10P15/10P15
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80
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120
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0.2/0.5/10P10
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0.2/10P10/10P15
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Note: The difference between the two gears before and after the product is less than 2 times, such as 75-100/5,200-300/5, etc.
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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