Technical Specifications
This chapter provides the complete technical specification sheet for the SDM630MCT-RC, derived from the Eastron SDM630MCT datasheets.
Electrical Specifications
| Parameter |
Value |
| System types |
1P2W, 3P3W, 3P4W (default) |
| Rated voltage |
3×230/400V AC (50/60Hz) |
| Operating voltage range |
80–120% Un |
| Rogowski coil input |
85mV/kA (SDM630MCT-RC) |
| Starting current |
0.1% Ib |
| Frequency |
50/60Hz ±10% |
| Power consumption |
≤2W / 10VA |
| Auxiliary power |
85–277V AC, 50/60Hz |
Accuracy
| Parameter |
Accuracy |
| Voltage |
1.0% of reading |
| Current |
1.0% of reading |
| Frequency |
0.2% of reading |
| Power factor |
1.0% of reading |
| Active energy |
Class 1 (IEC 62053-21) |
| Reactive energy |
Class 2 (IEC 62053-23) |
Physical
| Parameter |
Value |
| Dimensions |
94.5 × 72 × 65 mm |
| Mounting |
DIN rail (35mm) |
| Display |
Backlit LCD |
| Protection |
IP51 (front panel) |
| Weight |
~300g |
Outputs
- 2× pulse outputs (active + reactive energy), opto-isolated
- 1× RS485 Modbus RTU port
Communication
| Parameter |
Value |
| Protocol |
Modbus RTU |
| Baud rates |
2400, 4800, 9600 (default), 19200, 38400 |
| Address range |
1–247 (default: 1) |
| Parity |
EVEN (default), ODD, NONE |
| Data format |
8-bit, IEEE 754 float |
Compliance
- IEC 62053-21 (Class 1 active energy)
- IEC 62053-23 (Class 2 reactive energy)
- MID 2014/32/EU
- CE marked
- Measurement category: CAT III 300V
Operating Conditions
| Parameter |
Range |
| Operating temperature |
-25°C to +55°C |
| Storage temperature |
-40°C to +70°C |
| Humidity |
≤95% RH (non-condensing) |
Ordering Variants
| Model |
Input Type |
Output |
| SDM630MCT-RC |
85mV/kA (Rogowski) |
Modbus + Pulse |
| SDM630MCT-MV |
333mV (CT) |
Modbus + Pulse |
| SDM630MCT-0.33 |
333mV (CT) |
Modbus |
| SDM630MCT-1A |
1A (CT) |
Modbus + Pulse |
| SDM630MCT-5A |
5A (CT) |
Modbus + Pulse |