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Multifunktions-Messinstrument MFM384-C
Description
Technical data
Schematic
Dimensions
Order overview
Downloads
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
LCD4 row, Liquid Crystal Display
Digits4 rows with 4 digits, 1 row with 8 digits
Digit height0.44", 0.25" 5th line
Display range99999999
BargraphRepresentation of current in %
Input Specifications
Electrical connection3Ø - 3 wire, 3Ø - 4 wire, 2Ø - 3 wire, 1Ø - 2 wire
Input voltage range11 - 300V AC, (L - N), 19 - 519V AC, (L - L)
Input current rangeNominal 5A AC (min: 11mA, Max: 6A)
Frequency45Hz - 65Hz
Display scrollingautomatic / manual
Display resetProgrammable (for energy)
Resolution energy0,01k, 0,1k, 1k, 0,01M, 0,1M, 1M (depending upon CT ratio X PT ratio)
Resolution voltage, current, powerAuto resolution
Resolution power factor0.001
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 retention10 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 outputVoltage range: External 24VDC, current: 100mA max., pulse width 100ms ±5mS
CommunicationRS485 MODBUS RTU communication
Supply specifications
Auxiliary100 - 240V AC (50/60Hz)
Resettable Parameters
C.T primary175A to 10kA programmable for any value
C.T secondary1A / 5A
P.T primary1 V to 500kV programmable for any value
P.T secondary100V to 500V (L-L) programmable for any value
Environmental Specifications
Operating temperature-10 to +55°C
Storage temperature-20 to +75°C
Humidityup to 85% (non-condensing)
General
MountingPanel mounted
Weight318g
Dimensions99x99x55mm
Panel cut out91.5x91.5mm





Schematic


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schema_MFM384-C









Dimensions


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Massbild MFM384-C




Order overview


Order numberDesignationAppendageStock*1Price*2
MFM384-C-CU-GMulifunktionsmessinstument Fronteinbau4220.95 CHF
*1: Stock levels are for reference only. The handout is done upon incoming orders.
*2: Prices are uncommitted, errors are excepted.






Downloads