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.
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 |