LZZW-12 Current Transformer

Summary   
The supporting-type current instrument transformers LZZW-12 are fully enclosed and cast in epoxy resin. The transformers are designed for electric power systems of 50Hz/60Hz rated frequency and 12kV rated voltage. They are used for outdoor mounting. The performances of the products meet standards IEC60044-1. The products are applied to metering electric energy, voltage controlling and relay protection.

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LZZW-12 Current Transformer

Summary
The supporting-type current instrument transformers LZZW-12 are fully enclosed and cast in epoxy resin. The transformers are designed for electric power systems of 50Hz/60Hz rated frequency and 12kV rated voltage. They are used for outdoor mounting. The performances of the products meet standards IEC60044-1. The products are applied to metering electric energy, voltage controlling and relay protection.

Ambient condition
1. Ambient temperature: -25 ~ 40 degrees;
Note: By customize manufacture, the ambient temperature can be as low as -40 degrees.
2. Altitude:≦ 1000m;
3. Pollution class: IV;


Rated 
voltage
ratio(V)
Accuracy
classes
combination
Rated output(VA) 1S thermal
current(KA)
Rated dynamic
current(ka)
0.2S 0.2 0.5S 0.5 10P10
50 0.2S
0.5S
0.2
0.5S
10P10
10 10 15 15 15 9 22.5
75 15 37.5
100 18 45
150 25 62.5
200 28 70
300 40 100
400 40 100
500 60 130
600 60 130
630 60 130

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