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LAJ-10QF current transformer
The LAJ-10QF type current transformer is an epoxy resin cast fully enclosed through-wall structure, which is used for current, electric energy measurement and relay protection in indoor power lines and equipment with rated voltage of 10kV and below and rated frequency of 50Hz.
Classification:
Current transformer
Key words:
transformer
Product Description
1. Overview:
The LAJ-10QF type current transformer is an epoxy resin cast fully enclosed through-wall structure, which is used for current, electric energy measurement and relay protection in indoor power lines and equipment with rated voltage of 10kV and below and rated frequency of 50Hz.
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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0.2S
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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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limitfactor
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Ith
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Idyn
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weight
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20/5
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5/2S
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12
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30~40/5
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7.5/2S
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20
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50~60/5
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0.2S/5
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10/2S
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25
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75/5
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0.2/0.5
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15/2S
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40
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10
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15
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| LAJ-10QF
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100~150/5
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0.2S/10P10
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10
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20
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20
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15
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20/2S
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50
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| (15)
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0.2/10P10
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200/5
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20/2S
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55
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0.5/10P10
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300~500/5
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20/4S
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55
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600~800/5
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32/4S
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80
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1000/5
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40/4S
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100
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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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