Selec MFM376 Multifunction Meter | 96×96 True RMS 3-Phase Energy Analyzer
Selec MFM376 Multifunction Meter | 96×96 True RMS 3-Phase Energy Analyzer
Compact 96×96 3-phase multifunction meter with True RMS measurement, Modbus RTU (RS485), pulse output, CT/PT programmability and extensive energy, power, and harmonic monitoring.
The Selec MFM376 is a compact 96×96 mm True RMS 3-phase multifunction energy meter designed for electrical panels and industrial automation. It measures voltage, current, frequency, power, PF, energy, and harmonics and offers RS-485 Modbus RTU communication and pulse output for energy monitoring or integration into SCADA/PLC systems. Built with a robust LED display and configurable CT/PT ratios, it is ideal for accurate electrical load monitoring in demanding environments.
(PDF pages 1–2—specs & display data)
Key Features
True RMS 3-phase measurement (3Ø-4W, 3Ø-3W, 1Ø-2W)
Measures Voltage, Current, Frequency, PF, Active/Reactive/Apparent Power
Energy measurement (kWh, kVArh, kVAh) with Class-1 accuracy
Integrated THD measurement for V & I (up to 31st harmonic)
RS-485 Modbus RTU communication
Pulse output for external counters/PLCs (24 VDC max, 100 mA)
Programmable CT (1A/5A to 10,000A) and PT ratios (100V to 500kV)
0.49" LED display, 3 rows, auto/manual/default scrolling
Isolation: 2 kV RMS (RS-485)
Compact 96×96 panel mount design
Operating temperature: –10°C to 55°C
(PDF pages 1 & 2 – features, specs, display)
Technical Specifications (Table)
| Parameter | Specification |
|---|---|
| Display | 3-row LED, 0.49" digit |
| Operating Voltage | 40–300 V AC/DC |
| Voltage Range | 11–300 V L-N / 19–519 V L-L |
| Current Input | 5A nominal (20 mA–6A) |
| CT Ratio | 1A/5A to 10,000A (programmable) |
| PT Ratio | 100 V to 500 kV |
| Accuracy | Voltage/Current ±0.5%, PF ±0.01 |
| Energy Accuracy | Class-1 (Active), Class-2 (Reactive) |
| Frequency | 50–60 Hz |
| THD | Up to 31st harmonic |
| Communication | RS-485, Modbus RTU |
| Baud Rate | 300–19200 bps |
| Pulse Output | 24V DC max, 100 mA |
| Operating Temp | –10°C to 55°C |
| Mounting | Panel mount 96×96 mm |
| Weight | 200 g (PDF) |
(All data cross-verified from pages 1–3 )
Applications
Industrial energy monitoring
Electrical panels & distribution boards
DG and transformer monitoring
HVAC, chiller plants
Industrial automation
Utility submetering
PLC/SCADA integration via Modbus
(PDF network diagrams, page 4)
What’s in the Box?
Selec MFM376 Multifunction Meter
Mounting clamps
User instruction manual
Warranty card
FAQ
Q1: Does the MFM376 support Modbus communication?
Yes, it supports RS-485 Modbus RTU with baud rates from 300 to 19200 bps.
(PDF page 1 – Modbus section)
Q2: Can I use this meter for 1-phase and 3-phase?
Yes, it supports 3Ø-4W, 3Ø-3W, and 1Ø-2W configurations.
Q3: What is the accuracy of energy measurement?
Active energy: Class-1, Reactive energy: Class-2.
(PDF page 1 – accuracy table)
Q4: Does it measure harmonics?
Yes, it displays THD for voltage and current.
(PDF page 3 – THD registers)
Q5: Is pulse output available?
Yes, 24 V DC max, 100 mA pulse output.
(PDF page 1 – output specs)