JDZW-20 JDZXW-20G 20KV Epoxy resin instrument current and voltage transformer

current and voltage transformer

This model of instrument current and voltage transformers includes two versions: JDZW-20 and JDZXW-20G. The units are cast in epoxy resin and fully enclosed. The units are suitable for electric systems of rated frequency of 50/60Hz and rated voltage of 24kV and below. They are used in indoor or outdoor service conditions. The products are designed in accordance with Standards IEC60044-2, IEC61869-3 and ANSI/IEEE C57.13.

 

parameters

Model Rated Voltage Ratio(KV) Accuracy class and Accuracy class combination rated secondary output (VA) Limited output (VA) Rated insulation level (KV) Surface creepage distance (mm) Once fuse(A) Wt(KG)
JSZW-20 20000/100 0.2---40
0.5---100
1---250
3---500
800 24/65/125 860 0.2 56
20000/220
20000/100/100 0.2/0.2---20/20
0.2/0.5---20/30
0.5/0.5---50/50
400/400
20000/220/220 500/800
JDZXW-20G
20000/√3
100/√3 100/√3
0.2/6P(3P)---30/100
0.5/6P(3P)---60/100
1/6P(3P)---150/100
3/6P(3P)---250/100
600
20000/√3
100/√3 100/√3 100/√3
0.2/0.2/6P(3P)---15/15/100
0.2/0.5/6P(3P)---15/15/100
0.5/0.5/6P(3P)---40/40/100
300/300

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