Multi-Circuit Three-Phase Power Monitoring Module with LCD Display

Multi-Circuit Three-Phase Power Monitoring Module with LCD Display | RS485 Modbus Energy Monitoring

Product Overview

The ZH70414H Multi-Circuit Three-Phase Power Monitoring Module is designed for simultaneous monitoring of multiple three-phase electrical circuits in industrial and commercial power systems.

The module integrates advanced electrical parameter measurement, power quality analysis and industrial communication capabilities into a compact DIN-rail mounted device.

With support for four independent three-phase monitoring circuits, users can monitor multiple feeders, production lines, distribution panels or equipment groups from a single device.

Built-in LCD display provides real-time local monitoring, while RS485 Modbus communication enables seamless integration with PLCs, SCADA systems, EMS platforms and industrial IoT solutions.

Key Features

1.Multi-Circuit Three-Phase Monitoring
4 independent three-phase monitoring circuits
Simultaneous voltage and current acquisition
Real-time electrical parameter measurement

2.Comprehensive Power Measurement
Measures:
Phase Voltage
Line Voltage
Current
Active Power
Reactive Power
Apparent Power
Power Factor
Frequency
Forward Energy
Reverse Energy

3.Power Quality Analysis
Total Harmonic Distortion (THD)
Voltage Harmonics
Current Harmonics
Harmonic Analysis up to 31st Order

4.Industrial Communication
RS485 Modbus RTU
Optional Ethernet RJ45
Modbus TCP Support
SCADA Integration
PLC Connectivity

5.LCD Local Display
Real-time parameter display
Harmonic data display
Communication settings
System diagnostics

6.High Reliability Design
Industrial-grade EMC protection
Electrical isolation
DIN rail installation
Long-term stable operation

Technical Specifications

Voltage Parameters
Phase Voltage
Line Voltage
Average Voltage
Voltage Harmonics
Voltage THD

Current Parameters
Phase Current
Average Current
Current Harmonics
Current THD

Power Parameters
Active Power (kW)
Reactive Power (kVar)
Apparent Power (kVA)
Power Factor

Energy Parameters
Import Energy
Export Energy
Accumulated Energy

Applications

1.Factory Energy Management
Monitor power consumption across multiple production lines and workshops.

2.Power Distribution Systems
Monitor feeders, switchboards and distribution panels.

3.Smart Manufacturing
Integrate energy monitoring data into MES and industrial IoT platforms.

4.Building Energy Management
Track electrical consumption for commercial buildings and facilities.

5.Data Centers
Monitor critical power distribution equipment and UPS systems.

6.Renewable Energy Systems
Monitor solar inverters, battery storage systems and distributed energy resources.

Advantages

1.Monitor four three-phase circuits simultaneously
2.Reduce installation space and wiring costs
3.Improve energy management efficiency
4.Detect power quality issues early
5.Support remote monitoring and control
6.Easy integration with existing automation systems

FAQ

1.How many circuits can the ZH70414H monitor?

The module can monitor four independent three-phase electrical circuits simultaneously.

2.Does the device support harmonic analysis?

Yes. It supports voltage and current harmonic analysis up to the 31st harmonic and provides THD measurement.

3.What communication protocols are available?

Standard RS485 Modbus RTU is supported, with optional Ethernet Modbus TCP communication.

4.Can current transformers be connected?

Yes. External split-core or solid-core current transformers can be connected for current measurement.

5.Is the module suitable for energy management systems?

Yes. The device is widely used in EMS, SCADA, PLC and industrial IoT applications.