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>>Current Transformer & Potential Transformer >>10-24kv Instrument Transformer >>JDZ -12 Voltage Transformer

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JDZ -12 Voltage Transformer

Summary 
Model JDZ(J)W-12 potential transformer is single-phase multi-winding whole sealing epoxy pouring product. It is used both indoor for measurement of voltage and electric energy as well as relay protection in the electric system of rated frequency 50/60Hz and rated voltage 12kV or below.

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JDZ(J)W-12 Voltage Transformer

Summary
Model JDZ(J)W-12 potential transformer is single-phase multi-winding whole sealing epoxy pouring product. It is used both indoor for measurement of voltage and electric energy as well as relay protection in the electric system of rated frequency 50/60Hz and rated voltage 12kV or below.


Structure feature
This series of potential transformer is of epoxy pouring whole sealing insulation structure. Encircled by rolled silicon steel strap and through annealing process, the iron core, together with primary winding and secondary winding, is formed by pouring epoxy.

This transformer owns excellent dirt-proof and moisture resistant performances. Secondary connecting terminal is equipped with connecting protective terminal box, which has 3 different outlet directions. It is convenient in wiring, dirt-proof and thief-proof.


Technical specification
1. Rated insulation level: 12/42/75kV;
2. Rated load power factor: COS =0.8.

Table 1 for rated secondary output and corresponding class of accuracy.

Type Rated voltage
ratio(V) 		Rated output class Max.output(VA)
0.2 0.5 1
JDZW-12 11000/110 40 80 240 600
JDZJW-12 11000/3/110/ 3/110/3 25 40 180 500


Table 2 for induced withstand voltage, please see the table.

Type Rated voltage ratio(V) Induced tolerance
voltage 0.2KV(r,ms) 		Test frequency(Hz) Test time(s)
JDZ(J)W-12 11000/ 3/110/ 3/110/3 28 150 40

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