Items | Technical parameters | |||
input signal | Wiring network | Three-phase three-wire; three-phase four-wire | ||
Voltage | Range | AC 100V, AC400V | ||
overload | Constant overload: 1.2 times; instant overload: 10times/10s | |||
Power consumption | < 1VA/ (each phase), impedance >500KΩ | |||
Accuracy Class | RMS measure , Class 0.5. | |||
Current | Range | AC1A,,AC5A | ||
overload | Constant overload: 1.2tiimes; instant overload: 10times/10s | |||
Power consumption | < 0.4VA/ (each phase), impedance <2KΩ | |||
Accuracy Class | RMS measure , Class 0.5. | |||
Display | Programmable, switch, cycle (led) display | |||
Auxiliary power | Power supply | AC/DC110V/220V/380V/85-264VAC | ||
Power consumption | <5VA | |||
Display | LED display, LCD display (selectable) | |||
output signal | Communication | RS-485 MODBUS-RTU Agreement | ||
Electric energy pulse | / | |||
On-off input | Two-way on-off input;; opto-couplers isolation and passive dry contact (selectable) | |||
On-off output | Two-way on-off output;; optocouplers relay (selectable) | |||
Analogy output | Four-way analogy output 0-20mA/4-20mA (selectable) | |||
Environment | Working environment | -25-55 ° C | ||
Storage environment | -20-70 ° C | |||
Humidity | ≤ 85% RH, no condensation, no corrosive gas sites | |||
Elevation | ≤3000m | |||
Safety | Withstand voltage | Input/power>2kV,Input/output>2kV,power/output>1kV. | ||
Insulation resistance | The auxiliary power supply, input and output on the instrument's cover >50MΩ |