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MFM384-R-C

MFM384-R-C
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MFM384-R-C

Product catalog summary
Overview: The MFM384-R-C is a multifunction meter designed for monitoring and measuring electrical parameters in various configurations. It supports programmable CT/PT primary and secondary settings, and measures import/export active, reactive, and apparent energy.
Key Features:
  • Programmable CT/PT settings for primary and secondary values.
  • Measures max/min demand power and 3-phase power (active, reactive, apparent).
  • True RMS measurements for voltage and current.
  • Modbus RTU communication via RS485 interface.
  • LED indications for energy integration with 1000 pulses/kWh.
Display Specifications:
  • LCD display with backlight, featuring 3 rows for data presentation.
  • Supports multiple electrical connection configurations (3Ø-3 wire, 3Ø-4 wire, etc.).
Input Specifications:
  • Measures voltage, current, frequency, power factor, and power (active, reactive, apparent).
  • Accuracy: Voltage and current ±0.5% of full scale, power factor ±0.01, frequency ±0.1%.
  • Resolution varies based on CT/PT ratio, with auto resolution for power, voltage, and current.
Power and Memory:
  • Power consumption is 8VA max, with a frequency range of 45 to 65Hz.
  • Memory retention for energy data is up to 10 years.
Communication and Output:
  • Supports half-duplex communication with a maximum transmission distance of 500 meters.
  • Transmission speeds range from 300 to 19200 bps, with various parity options.
Mechanical and Environmental Specifications:
  • Mounting: Din Rail, weight: 208g.
  • Operating temperature: -5 to 60°C, storage temperature: -20 to 75°C.
  • Humidity tolerance up to 85% RH (non-condensing).
Compliance and Standards:
  • Complies with IEC 61326-1 for EMI/EMC standards.
  • Includes ESD, surge, radiated and conducted susceptibility, and emission standards.
See more

Catalog excerpts

MFM384-R-C-1

Multifunction Meter 3Ø True RMS (Voltage, Current) 3Ø Power (Active, Reactive, Apparent) Import / Export Active, Reactive Energy, Apparent Energy Programmable CT / PT Primary / Secondary Modbus RTU Communication (RS485) Max / Min Demand Power Display Specifications Output Specifications 3 rows, LCD with Backlight 1 row of 4 digits 2 rows of 7 digits Integration of Energy (1000 Pulses / kWh) Input Specifications Communication Interface and Protocol Communication Address Transmission Mode Half duplex Transmission Distance Transmission Speed Electrical Connection Input Voltage Range Stop Bits Response Time 100ms (max and independent of baud rate) Input Current Range Display Scrolling Automatic / Manual / Default Power Consumption Display Reset For energy : 0.01k, 0.1k,1k, 0.01M, 0.1M, 1M (depending upon CT ratio X PT ratio) For Power, Voltage, Current : Auto Resolution For Power Factor : 0.01 Voltage (L - N / L - L) : ±0.5% of F.S. Current : ±0.5% of F.S. Power Factor : ±0.01 Frequency : ±0.1% For L - N Voltage >20V For L - L Voltage >35V Power (Active, Reactive, Apparent) : 1% Energy (Active, Reactive, Apparent) : Class 1 Memory Retention Measuring Parameters Voltage (L - L / L - N) (Individual / Average), Current (Individual / Average), Frequency, Power Factor (Individual / Total) Active, Reactive & Apparent power (Individual / Total), Active, Reactive, Apparent Energy (Import / Export), Demand (Min / Max Active Power, Min / Max Reactive Power, Max Apparent Power) Auxiliary Supply Specifications Supply Voltage Settable Parameters CT Primary Environmental Specifications Temperature Operating Temperature : -50 to 600C Storage Temperature : -200 to 750C Mechanical Specifications Mounting

 Open the catalog to page 1
MFM384-R-C-2

Multifunction Meter Standards Compliance Level IV (Air Discharge : 15kV), (Contact Discharge : -8kV) Surge Immunity + / - 2kV Common Mode, (Line to Ground) + / - 1kV Differential Mode, (Line to Line) Radiated Susceptibility Level III, 80 to 1000MHz (10V / m) IEC 61000 - 4 - 3 Level II, 1.4GHz to 2GHz (3V / m) Level I, 2GHz to 2.7GHz (1V / m) Conducted Susceptibility IEC 61000 - 4 - 6 Level II (3V / m) Radiated Emission Electrical Fast Transient Conducted Emission Voltage Dips and Interruptions Dips : 0% residual voltage / 1 cycle (Criteria B), 40% residual voltage / 10 cycles 50Hz / 12 cycles...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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