ZCT225 Lead Wire Type Zero Phase Current Transformer

ZCT225 Lead Wire Type Zero Phase Current Transformer phase transformation Electrical Specification (Customized is available) Rated Current 225A DC Resistance at 25℃ 11±3Ω Dielectric Withstanding     Voltage(Hi-pot) 2500Vrms Output Voltage Vo 25-30mV Rated Current 225A DC Resistance at 25℃ 11±3Ω Dielectric Withstanding     Voltage(Hi-pot) 2500Vrms Output Voltage Vo 25-30mV The zero-sequence transformer mainly has the following applications: The outlet of the low-voltage side of the transformer of…

ZCT220 Lead Wire Type Zero Phase Current Transformer

ZCT220 Lead Wire Type Zero Phase current transformer and potential transformer Electrical Specification (Customized is available) Rated Current 30A DC Resistance at 25℃ 36±4Ω Dielectric Withstanding     Voltage(Hi-pot) 2500Vrms Output Voltage Vo 300-360mV Introduction of zero-sequence current transformer Zere phase current transformer is a single-turn through-core current transformer, and it is also a kind of current transformer dedicated to power cables,…

ZCT218 Lead Wire Type Zero Phase Current Transformer

ZCT218 Lead Wire Type single phase current transformer Electrical Specification (Customized is available) Rated Current 60A DC Resistance at 25℃ 60±4Ω Dielectric Withstanding     Voltage(Hi-pot) 2500Vrms Output Voltage Vo 10-12.5mV The working principle of the zero-sequence current transformer The zero-sequence current transformer is mainly composed of primary winding, secondary winding, annular iron core, wiring cable and shell in use. Its primary…

ZCT213 Lead Wire Type Zero Phase Current Transformer

ZCT213 Lead Wire Type Zero Phase 3 phase current transformer Electrical Specification (Customized is available) Rated Current 30A DC Resistance at 25℃ 100±10Ω Dielectric Withstanding     Voltage(Hi-pot) 2500Vrms Output Voltage Vo ≥20mV The basic principle of zero-sequence current transformer protection work is based on Kirchhoff’s current law: the algebraic sum of the complex currents flowing into any node in the circuit…

ZCT212 Lead Wire Type Zero Phase Current Transformer

ZCT212 Lead Wire Type three phase to single phase transformer Electrical Specification (Customized is available) Rated Current 100A DC Resistance at 25℃ 27±5Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo ≥17mV The purpose of the zero-sequence current transformer: when an electric shock or leakage fault occurs in the circuit, a protective action is generated to cut off the power supply. Its use…

ZCT211 Lead Wire Type Zero Phase Current Transformer

ZCT211 Lead Wire Type Zero Phase ct current transformer Electrical Specification (Customized is available) Rated Current 40A DC Resistance at 25℃ 70±4Ω Dielectric Withstanding     Voltage(Hi-pot) 2500Vrms Output Voltage Vo ≥300mV Problems existing in zero-sequence current transformers Zero-sequence protection is an important part of electrical relay protection, and is widely used in large-scale coal, steel, electric power and other large power-consuming…