ALPHA EM DC series is specially designed to measure, display and communicate DC Voltage, Current, Power and Energy to monitor and control the target system.
- Multi-channel support
- RTC with Data Storage
- RS485 Output
- Alarming & Protection
- Onsite Programmable
- Load Profile Analysis.
Application
- Solar Photovoltaic Systems
- Battery chargers and systems
- Wind Power Generation
- Electroplating Industries
- Power Distribution for Telecommunication
- Industrial DC control Systems.
Possible applications of Relay Outputs
- Alarming via lamp or horn
- Load shedding
- Remote controlling.
Input Voltage
Nominal Input Voltage Range: 10 ~ 60 VDC | 61 ~ 200 VDC | 201 ~ 1000 VDC.
Max continuous input voltage: 125% of nominal value.
Input Current
No of Channels 4
Current Sensor External Shunt
Shunt Setting Range 50 ~ 150 mV
Full Scale Setting Range 1 A to 20 kA
Max continuous input current 125% of nominal value.
Operating Measuring Range
Voltage: ±2 to ±125% of nominal value.
Current: ±0.2 to ±125% of nominal value.
Auxiliary Supply
Higher Aux: 60V–300V AC-DC, 45 to 65Hz range.
Nominal Value: 230V AC-DC, 50/60Hz for AC Aux.
VA Burden
Nominal input voltage burden: < 0.2 W approx.
Nominal input current burden: < 0.1 W approx. per channel.
Auxiliary Supply burden: < 6 VA approx.
Accuracy
Reference Conditions: 23°C +/- 2°C.
Voltage, Current, Power: ±0.5% of Nominal value (±5 to ±120%).
Energy: Class 1.
Temperature Drift: 0.05%/°C.
Display
Type: 4 line 8-digit LED Display.
Display Height: 9 mm.
Overload Indication: -oL (Above 126% of nominal value).
Range Voltage, Current, Power: 0 to ±9999.
Range Energy (Import & Export): 0 to 99999999.
Relay Output
Max Load Voltage: 250 VAC / 30 VDC
Max Load Current: 5 A
