Description Technical data Schematic Dimensions Order overview Downloads |
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Multifunction meter MFM384-R-C |
Description
DIN-rail mounted digital multifuntion meter.Features:
- 3Ø Voltage (TRMS), 3Ø Current (TRMS)
- 3Ø Power factor
- 3Ø Power (Active, Reactive, Apparent)
- Frequency
- Password Protection
- CT, PT Primary/Secondary Programmable
- Modbus RTU communication (RS485)
- Max / Min demand power
- CE and RoHS certification
Technical data
Display | |
---|---|
LCD | 3 row, Liquid Crystal Display with backlight |
Digits | Row 1 with 4 digits, row 2 and 3 with 7 digits |
LED | Integration of energy (1000 pulse /kWh) |
Input Specifications | |
Electrical connection | 3Ø - 3 wire, 3Ø - 4 wire, 2Ø - 3 wire, 1Ø - 2 wire |
Input voltage range | 19 - 519V AC (L - L), 11 - 300V AC (L - N) |
Frequency | 45Hz - 65Hz |
Measuring Parameters | |
Voltage (L-L/L-N) (individual / average) | |
Current ( 1, 2, 3) (individual / average) | |
Frequency, power factor (individual /average) | |
Active, reactive, apparent power (individual / total) | |
Active, reactive (import / export) | |
Minimum / maximum reactive power | |
Maximum apparent power | |
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 | 0.01 |
Resolution frequency | 0.1Hz |
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) | 1% |
Memory retention | 10 years (for energy) |
Overload rating | 20% continuous over load and able to withstanding 20 times the normal current rating for a period one second. |
Overvoltage rating | Accept input voltage upto 120% of the nominal voltage |
Power consumption | 8VA max. |
Output Specifications | |
Communication | RS485 MODBUS RTU communication |
Supply specifications | |
Auxiliary | 85 - 270V AC (50/60Hz) |
Isolation | I/P, O/P and Aux. circuits isolated from each other and earth ground. |
Resettable Parameters | |
C.T primary | 5A 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 | -5 to +60 C |
Storage temperature | -20 to +75 C |
Humidity | up to 85% (non-condensing) |
Schematic
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Dimensions
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Order overview
Order number | Designation | Appendage | Stock*1 | Price*2 | ||
---|---|---|---|---|---|---|
MFM384-R-C | Mulifunktionsmessinstument Hutschiene | 3 | 211.65 CHF |
*1: Stock levels are for reference only. The handout is done upon incoming orders. |
*2: Prices are uncommitted, errors are excepted. |