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LA-10(Q)(LAJ-10(Q)) current transformer
LA-10(Q) and LAJ-10(Q) are epoxy resin cast current transformers divided into semi-enclosed and fully enclosed. They are used for current, electric energy measurement and relay protection in power systems with rated voltage of 10kV and rated frequency of 50Hz or less for indoor devices.
Classification:
Current transformer
Key words:
transformer
Product Description
1. Overview:
LA-10(Q) and LAJ-10(Q) are epoxy resin cast current transformers divided into semi-enclosed and fully enclosed. They are used for current, electric energy measurement and relay protection in power systems with rated voltage of 10kV and rated frequency of 50Hz or less for indoor devices.
LA-10(Q) [Replacement model: LFZ-10(Q), LDZ-10(Q)]
LAJ-10(Q)[Replacement model: LFZJ-10(Q), LDZJ-10(Q)]
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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（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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0.5/3
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90Iin
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160Iin
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| LA-10(Q)
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300~400/5
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1/3
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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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75Iin
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135Iin
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0.5/10P10
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| 500/5
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60Iin
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110Iin
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1/10P10
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600~1000/5
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50Iin
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90Iin
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20~200/5
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120Iin
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215Iin
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0.2/3
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300/5
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100Iin
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180Iin
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10P/15/10P15
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| LAJ-10(Q)
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400/5
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10
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20
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20
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20
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20
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15
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75Iin
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135Iin
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500/5
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60Iin
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110Iin
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800~1000/5
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50Iin
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90Iin
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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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