JDZXW-20 Voltage Transformer
Application: for power, voltage measurement and relay protection in voltage up to 35kV 50/60Hz power system.
Standards: IEC 60044-2
Ratings: 20kV
Features: 1.Reliable operation.
2.Reliable insulation capability.
3.High measurement accuracy.
4.Maintenance-free.
5.Reliable seal performance
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Rated voltage: 240V;
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Electromagnetic release type: C, D;
Number of poles: 1P+N;
Mechanical life: 20000 cycles;
Electrical life: 10000 cycles;
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Short-circuit breaking capacity(Ics): 4500A;
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protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.
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Technical data of the network at the point considered:the earthing systems (TNS, TNC),short-circuit current at the circuit-breaker installation point, which must always be less than the breaking capacity of this device,network normal voltage.
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protection for people and big length cables in TN and IT
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