Zhejiang factory direct YTZJ-1A Intelligent power monitor 
 YTZJ-2 Intelligent power monitor: three-phase voltage, phase current, zero sequence current measurements show that the total active power, total reactive power, power factor, frequency measurement shows that the total active power, reactive power measurement shows the total, 2 to 21 harmonic power measurement (optional, communications transmission), the maximum power, minimum memory, power, and lower limit alarm, open into the volume of the alarm, 2 isolated digital inputs, 2 alarm relay output , RS-485 communication interface, Modbus-RTU communication protocol, Dimension 120mm * 120mm * 150mm Opening size 111mm * 111mm, LED 

 YTZJ-1 intelligent power monitor (common): Three-phase current, phase voltage, three-phase line voltage, three-phase active power, total active power, three-phase reactive power, total reactive power, three-phase apparent power The total apparent power, three-phase power factor, total power factor, active power, reactive power degree, depending on the power, frequency, zero sequence current, power most value, the amount of energy required, multi-rate power, dimensions 120mm * 120mm * 150mm Opening size 111mm * 111mm, LCD 

 YTZJ-1B intelligent power monitor: three-phase voltage, phase current, zero sequence voltage, zero sequence current measurements show that three-phase and total active power, total reactive power, power factor, frequency measurement display, forward and reverse The total active power, reactive power measurement shows the total, multi-rate 4 times the rate 9 active energy measurement, 2 to 21 harmonic power measurement (optional), power maximum, minimum, maximum amount of memory required to power the internal Real Time Clock (RTC), programmable alarm output, 2 isolated digital inputs, 2 alarm relay outputs, RS-485 communication interface, Modbus-RTU communication protocol, Dimension 120mm * 120mm * 150mm Opening size 111mm * 111mm , LCD 

 YTZJ-1A smart power monitor. : Three-phase current, phase voltage, three-phase line voltage, three-phase active power, total active power, three-phase reactive power, total reactive power, three-phase apparent power, total apparent power, three-phase power factor, total power factor, active power, reactive power degree, depending on the power, frequency, zero sequence current, maximum power, minimum, the amount of energy required to measure, multi-rate active energy measurement, 3 4 ~ 20mA Transmitter , 1 relay alarm output, RS-485 communication interface, Modbus-RTU communication protocol, Dimension: 96mm * 96mm8115mm Hole Size: 92mm * 92mm, LCD