MFM376-C-CE

MFM376-C-CE

MFM376-C-CE

Product catalog summary
Overview: The document provides detailed specifications and features of the MFM376-C-CE multifunction meter, designed for measuring electrical parameters in three-phase systems.
Features: The meter supports True RMS measurement for voltage and current, three-phase power measurement (active, reactive, apparent), import/export energy tracking, phase angle detection, and max/min demand power. It includes a single pulse output and run hour tracking. The auxiliary supply ranges from 40 to 300V AC/DC, and it is programmable for CT/PT primary/secondary values.
Display Specifications: The meter features a 7-segment LED display with three rows, including two rows of 8 digits for energy display. It offers auto resolution for power, voltage, and current, with a power factor resolution of 0.001.
Input Specifications: The meter measures True RMS with a sampling rate of 100 samples per cycle. It supports various electrical connections and has programmable CT ratings from 1/5A to 10kA. The frequency range is 45-65Hz, and it can withstand 120A for 1 second.
Mechanical Specifications: The device is housed in a MAKROLON 6557 SMOKE BLACK material with IP51 protection for the front. It is designed for vertical mounting and supports wire gauges from 20 to 14 AWG.
Auxiliary Supply Specifications: The meter operates with a burden of less than 6 VA at 277 V L-N and a frequency of 50/60 Hz. It has a ride-through time of 100 ms at maximum burden.
Output Specifications: The meter supports RS485 and MODBUS RTU protocols with a transmission distance of up to 500 meters. It offers configurable pulse output and transmission speeds ranging from 300 to 19200 baud.
Measurement Accuracy: The meter provides accuracy within ±0.5% for voltage and current, and ±1% for power. It complies with Class 1 standards for active and reactive energy as per IEC62053-21.
Certifications and Compliance: The meter complies with various EMI/EMC standards, including IEC 61326-1 and IEC 61000 series. It is designed for safety under IEC61010 Edition 3.0 CAT III, Protection class II.
Environmental Specifications: The meter operates within a temperature range of -10°C to +55°C and can be stored between -20°C to +75°C. It supports up to 85% relative humidity and is suitable for altitudes up to 2000 meters.
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Catalog excerpts

MFM376-C-CE-1

Multifunction Meter 3Ø True RMS (Voltage, Current) 3Ø Power (Active, Reactive, Apparent) Energy (Active, Reactive, Apparent) Import / Export Energy Programmable CT / PT Primary / Secondary Single pulse output Phase angle detection Max / Min demand power Run hour Auxiliary supply of 40 to 300V AC / DC Certifications : Display specifications Measurement accuracy 7 segments LED , 3 rows 2 rows of 8 digits for energy display Current Voltage Power factor Digit height 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 : 0.001 Active energy Reactive energy Display Digits Protection features Password protected for set-up & clearing energy and Min / Max data Input specifications Type of measurement Sampling rate Electrical connections THD & Individual Harmonic, V& A Up to 31st Level Output specification Pulse output Data update rate Voltage range : External 24V DC max Current capacity : 100mA max Pulse width : 100 ms ±5 ms Configurable pulse weight from 1 to 9999000 pulses/kWh Protocol & Interface Baud rate Transmission mode Half duplex Transmission distance Transmission speed Voltage nominal Stop bits Response time 100 ms (Max and independent of baud rate) Measured V with full range Permanent overload Frequency range Input Current CT ratings primary Current nominal Measured amps with over range & crest factor Frequency range Mechanical specifications Weight MAKROLON 6557 SMOKE BLACK Wire gauge at terminals Mounting position Auxiliary supply specifications Supply voltage Ride-through time 100 ms typical at 120V AC and maximum burden 100 ms typical at 277V AC and maxi

 Open the catalog to page 1
MFM376-C-CE-2

Multifunction Meter Environmental specifications Operating temperature Storage temperature Measurement category Electrostatic discharge Pollution degree Immunity to electromagnetic RF fields Product life Conducted immunity Immunity to magnetic fields Immunity to voltage dips and interruptions Fast transient Immunity to surge waves Conducted and radiated emissions Side view Panel cutout Front bezel IEC61010 Edition 3.0 CAT III, Protection class II IEC 61326 - 1 CAT III up to 480 V L-L CAT II up to 600 V L-L Terminal connection Ordering information Product code Supply voltage Output Pulse output...

 Open the catalog to page 2

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