DAHU electrical specializes in the production of 0.5-40.5kv transformers. It has cooperated with many national power bureaus for 10 years and exported to foreign markets. If there is any quality problem within the warranty period, it can be replaced free of charge.
As per your request, here is the product information about 15KV and 20KV single-phase fully insulated potential transformer (voltage transformer for high instrumentation):
JDZX11-15, 20 voltage transformer: This is an epoxy resin cast insulation fully enclosed product, suitable for rated frequency 50HZ or 60HZ, rated voltage 15KV and 20KV and below in the power system, for power measurement, voltage monitoring and relay protection
JDZ(J)
JDZ(J)-15 voltage transformer: also epoxy resin casting insulation fully enclosed products, suitable for rated voltage 50HZ or 60HZ, rated voltage 13.8KV, 15KV and below in the power system, for power measurement, voltage monitoring and relay protection.
JDZXW-20
JDZXW-20 type voltage transformer: suitable for outdoor, rated frequency of 50Hz or 60Hz, rated voltage of 20kV power system, for power measurement, voltage monitoring and relay protection.
JDZJ-15 type voltage transformer
JDZJ-15 type voltage transformer: single-phase, cast insulation, indoor device for 15kV AC system for voltage, power measurement and relay protection.
JDZJ-15 type voltage transformer
JDZX4-20 type voltage transformer: single-phase, cast insulation, fully enclosed structure, indoor installations, for 20kV AC system for voltage, power measurement and relay protection.
These products comply with the requirements of high-voltage power systems.
These products are in line with the needs of high-voltage power systems, providing accurate voltage measurement and protection functions to ensure the stable operation of the power system.
Audited Supplier 
As per your request, here is the product information about 15KV and 20KV single-phase fully insulated potential transformer (voltage transformer for high instrumentation):
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