Shanghai Acrel Ltd
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Payment Terms: | T/T,L/C |
Place of Origin: | Shanghai, China (Mainland) |
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Technical parameters | Value | |
Input | Network | Single-phase network; 3-phase balanced network 3-phase unbalanced, 3 wires; 3-phase unbalanced, 4 wires |
Measurable | 26 parameters (3I, 6U, F, 4P, 4Q, 4cos, 4E) | |
Frequency | 45 ~ 65Hz | |
Voltage | AC 100V, 400V (programmable) | |
Overload: 480V (continuous); 800V during 1s | ||
Consumption: < 0.2VA | ||
Current | Rating: AC 1A, 5A (programmable) | |
Overload: 6A (continuous); 50A during 1s | ||
Consumption: < 0.2VA | ||
Thermal drift | <200ppm | |
Transformation ratio | Programmable | |
Options | Analog output | 1 or 2 outputs, 0 ~ 20mA, 4 ~ 20mA programmable |
Load capacity: ≤500Ω | ||
Logic output (DO) | 2 relays NO contact outputs (for remote terminal) | |
Contact capacity: AC 250V/3A, DC 30V/3A | ||
Alarm output | the alarm of over voltage, under voltage and over current | |
Communication | RS485 (Modbus-RTU protocol) | |
Logic input (DI) | 2 or 4 dry contacts (with 5V power) | |
Pulse | 2 pulse outputs (open-collector), | |
Pulse constant: 10000, 40000, 160000 imp/kWh | ||
Display | LED, LCD | |
Precision | 0.5 (F: 0.05Hz; kVar: 1) | |
Power supply | AC/DC 85 ~ 270V; Consumption ≤ 4VA | |
Test voltage | 2kVAC/min (voltage input / power; between current inputs) | |
1.5kVAC/min (outputs / power) | ||
Insulation | input / housing and output / housing >100MΩ | |
Environment | Work T: -10°C ~ +45°C | |
Storage T: -20°C ~ +70°C | ||
Relative humidity: 5% ~ 95% (no condensation) | ||
Altitude: ≤2500m |