Rogowski panel power analyzer | voltage and current measurement | 220 V AC | 3-in-1 current input | RJ45 | LCD display | 6 tariffs | MODBUS RS485 | ME337NR2

Technical Specifications

Type: Panel-mounted power analyzer
Model: ME337ND2
Mounting: Fixed (panel-mounted)
Communication: MODBUS RS485
Power supply: 220 V AC (95–265 V AC) – auxiliary
Harmonic analysis: up to the 50th order (real-time display)
Tariffs: 6
Alarms: Yes
Data logging: No

Current measurement – 3-in-1 solution:
3-phase current input via a single RJ45 connector

Supported current sensors:
Rogowski coils; 333 mV current transformers (CT)

Connections: STP + RJ45

Configurable current ranges:
10 A / 100 A / 500 A / 1000 A / 3000 A / 6000 A (software configurable)

Current signal coefficients:
50 mV/kA @ 50 Hz; 85 mV/kA @ 50 Hz; 333 mV/kA (0–634 mV AC RMS)

Current measurement accuracy: ±0.1 % (depending on sensor)

Measured parameters:
Current; Voltage; Active, reactive and apparent power; Power factor; Electrical energy; Phase angle and imbalance; Load; Harmonic values; Phasor diagram

Inputs / outputs:
1 relay output; 1 digital input; Alarm function (based on set thresholds)

Functions

Voltage and current measurement – real-time network monitoring
Power and energy analysis – evaluation of active, reactive power and consumption
Harmonic analysis (up to the 50th order) – detection of power quality distortions
Phasor and imbalance analysis – phase load and balance assessment
Alarms and relay output – alerts when preset limits are exceeded
MODBUS RS485 communication – integration with BMS / SCADA systems

Applications

For engineers / energy specialists:
Power and harmonic analysis, phase imbalance and load evaluation, integration with BMS / SCADA via MODBUS RS485

For industrial and commercial facilities:
Continuous electrical network monitoring, energy consumption control, alarm signaling in case of deviations

For electricians:
Quick voltage, current and load checks in panels, easy integration into existing switchboards, use of Rogowski coils without line disconnection

Advantages

3-in-1 current input via RJ45
Very fast and clean installation
Harmonic analysis up to the 50th order
Wide current range up to 6000 A
MODBUS RS485 integration
High measurement accuracy

Limitations

No internal data logging
Rogowski coils / CTs not included
Designed for fixed (panel-mounted) installation