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 DescriptionTechnical dataSchematicDimensionsOrder overviewDownloads |
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| Multifunction meter MFM384-C-CU-G | ||
Description
Front mounted digital multifuntion meter.Features:
- 3Ø Voltage (TRMS), 3Ø Current (TRMS)
- 3Ø Power and power factor
- Energy (Active, Reactive, Apparent)
- Programmable CT/PT primary/secondary
- CT correction
- Total harmonic disortion
- Neutral current measurement
- Variable pulse width selection
- Single phase network with applicable phase selection
- Modbus RTU communication (RS485)
- Single pulse output
- Max. / min. demand (power)
- CE and RoHS certification
Technical data
| Display | |
|---|---|
| LCD | 4 row, Liquid Crystal Display |
| Digits | 4 rows with 4 digits, 1 row with 8 digits |
| Digit height | 0.44", 0.25" 5th line |
| Display range | 99999999 |
| Bargraph | Representation of current in % |
| Input Specifications | |
| Electrical connection | 3Ø - 3 wire, 3Ø - 4 wire, 2Ø - 3 wire, 1Ø - 2 wire |
| Input voltage range | 11 - 300V AC, (L - N), 19 - 519V AC, (L - L) |
| Input current range | Nominal 5A AC (min: 11mA, Max: 6A) |
| Frequency | 45Hz - 65Hz |
| Display scrolling | automatic / manual |
| Display reset | Programmable (for energy) |
| Resolution energy | 0,01k, 0,1k, 1k, 0,01M, 0,1M, 1M (depending upon CT ratio X PT ratio) |
| Resolution voltage, current, power | Auto resolution |
| Resolution power factor | 0.001 |
| Accuracy voltage (L-N/L-L), current | ±0,5% of full range |
| Accuracy power factor | ±0,01 |
| Accuracy frequency | ±0,1 % (for V>20 L-N, V>35 L-L) |
| Accuracy power (kW, kVA, kVAr) | 1% |
| Accuracy energy (active, reactive, apparent) | Class 1 |
| Memory retention | 10 years (for energy) |
| Measuring Parameters | |
| Voltage (L-L/L-N) (individual / average) | |
| Current ( 1, 2, 3) (individual / average) | |
| Frequency, power factor (individual /average) | |
| Active, reactive, apparent power ( / total) | |
| Active, reactive (import / export) | |
| Minimum / maximum reactive power | |
| Maximum apparent power | |
| Output Specifications | |
| Pulse output | Voltage range: External 24VDC, current: 100mA max., pulse width 100ms ±5mS |
| Communication | RS485 MODBUS RTU communication |
| Supply specifications | |
| Auxiliary | 100 - 240V AC (50/60Hz) |
| Resettable Parameters | |
| C.T primary | 175A to 10kA programmable for any value |
| C.T secondary | 1A / 5A |
| P.T primary | 1 V to 500kV programmable for any value |
| P.T secondary | 100V to 500V (L-L) programmable for any value |
| Environmental Specifications | |
| Operating temperature | -10 to +55°C |
| Storage temperature | -20 to +75°C |
| Humidity | up to 85% (non-condensing) |
| General | |
| Mounting | Panel mounted |
| Weight | 318g |
| Dimensions | 99x99x55mm |
| Panel cut out | 91.5x91.5mm |
Schematic
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Dimensions
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