Introduction
The HY-3D3 Three Phase LED Multifunction Digital Meter is designed for comprehensive electrical parameter monitoring in three-phase power systems. It can measure voltage, current, active power, reactive power, apparent power, power factor, frequency, active energy and reactive energy.
With a high-brightness LED display, compact panel-mounted design and optional RS485 communication, the HY-3D3 is widely used in switchgear, distribution cabinets, industrial control panels and energy management systems.
Key Features
1. Measures three-phase voltage, current, power, energy, frequency and power factor.
2. LED digital display provides clear and direct parameter reading.
3. Supports three-phase three-wire and three-phase four-wire systems.
4. Programmable CT/PT ratio for different project applications.
5. Optional RS485 communication with Modbus RTU protocol.
6. Optional switch input, relay output, analog output and energy pulse output.
7. Compact panel-mounted structure for easy cabinet installation.
8. Suitable for local data display and remote power monitoring systems.
Product Standards
1. GB/T 22264.1-2021: Installation type digital display electrical measuring instruments, Part 1 definitions and general requirements.
2. GB/T 22264.7-2021: Installation type digital display electrical measuring instruments, Part 7 special requirements for multifunction instruments.
3. GB/T 22264.8-2021: Installation type digital display electrical measuring instruments, Part 8 recommended parallel testing methods.
4. GB/T 17215.322-2021: AC measurement equipment, special requirements for static active energy meters.
5. GB/T 17215.323-2021: AC measurement equipment, special requirements for static reactive energy meters.
6. DL/T 614-2007: Multifunctional energy meter.
7. GB50045-95: Code for fire protection design of high-rise civil buildings.
8. GB50054-95: Design code for low voltage distribution.
9. GB50096: Residential design code.
Application
1. Low-voltage switchgear power monitoring.
2. Power distribution cabinet measurement.
3. Industrial control panel electrical monitoring.
4. Factory energy management systems.
5. Building power distribution systems.
6. Motor control centers and automation cabinets.
7. Distribution rooms and electrical control systems.
8. SCADA and PLC remote monitoring systems.
Performance Characteristics
1. High precision measurement of three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency and electrical parameters.
2. Supports forward and reverse active or reactive energy measurement.
3. Provides LED digital display for local data reading.
4. Menu button design makes operation simple and intuitive.
5. Programmable CT/PT ratio supports different current and voltage systems.
6. Supports multiple loop control nodes for alarm and trip control.
7. Supports RS485 communication with Modbus RTU protocol.
8. Supports switch input, switch output, analog transmission output and electrical pulse output.
9. Easy installation, simple wiring and compact structure.
10. Can be connected with SCADA, PLC and communication software networks.
Technical Index
| Item |
Specification |
| Product Name |
HY-3D3 Three Phase LED Multifunctional Digital Meter |
| Display Type |
LED digital display |
| Measuring Parameters |
Voltage, current, power, energy, frequency, power factor |
| Measuring System |
Three-phase three-wire / three-phase four-wire |
| Rated Voltage |
AC 57.7V / 100V / 220V / 380V |
| Rated Current |
AC 1A / AC 5A |
| Accuracy Class |
Voltage / current / power: Class 0.5; active energy: Class 1 |
| Frequency Range |
45–65Hz |
| Auxiliary Power Supply |
AC 220V or AC/DC 85V–265V |
| Communication |
RS485, Modbus RTU optional |
| Output Function |
Relay output, analog output, pulse output optional |
| Installation Method |
Panel mounted |
| Panel Size |
80×80mm / 96×96mm / 72×72mm |
| Application |
Switchgear, distribution cabinet, control panel, power monitoring system |
Outline Dimensional Drawing
Terminal Arrangement Diagram
Core Selling Points
1. HY-3D3 three-phase electrical parameter measurement for voltage, current, power, energy and frequency monitoring.
2. LED digital display for clear and easy reading in switchgear and distribution cabinets.
3. Compact panel-mounted design for easy installation in electrical control panels.
4. Suitable for power distribution cabinets, switchgear and industrial control panels.
5. Programmable CT/PT ratio and parameter settings for flexible project applications.
6. Optional RS485 communication output for remote monitoring and data transmission.
7. Reliable performance for long-term electrical monitoring in industrial power systems.
Selection Guide
1. Measuring parameters: current, voltage, frequency, power, energy, power factor.
2. Phase type: three phase.
3. Display type: LED digital display.
4. Wiring system: three-phase three-wire / three-phase four-wire.
5. Input current specification: AC 1A / AC 5A, selected according to CT ratio.
6. Input voltage specification: AC 57.7V / 100V / 220V / 380V.
7. Auxiliary power supply: AC 220V or AC/DC 85V–265V.
8. Communication function: RS485 / Modbus RTU optional.
9. Output function: switch output, analog output, pulse output optional.
10. Panel size and installation dimension: 80×80mm, 96×96mm, 72×72mm.
11. Application environment: switchgear, distribution cabinet, control panel, power monitoring system.
FAQ
Q1: What parameters can the HY-3D3 Three Phase LED Multifunctional Digital Meter measure?
It can measure voltage, current, active power, reactive power, apparent power, power factor, frequency, active energy and reactive energy.
Q2: Can the HY-3D3 be used in both three-phase three-wire and four-wire systems?
Yes, it supports three-phase three-wire and three-phase four-wire electrical systems.
Q3: Does the HY-3D3 support RS485 communication?
Yes, RS485 communication with Modbus RTU protocol is optional for remote monitoring systems.
Q4: What display type does the HY-3D3 use?
The HY-3D3 uses a high-brightness LED digital display for clear and direct reading.
Q5: Can the CT/PT ratio be programmed?
Yes, the meter supports programmable CT/PT ratio settings for different current and voltage measurement applications.
Q6: Where is the HY-3D3 commonly installed?
It is commonly installed in switchgear, power distribution cabinets, industrial control panels, distribution rooms and energy monitoring systems.
Q7: What panel sizes are available?
Common panel sizes include 80×80mm, 96×96mm and 72×72mm, depending on the selected model.
Q8: What information should be confirmed before ordering?
Please confirm measuring parameters, wiring system, input current, input voltage, auxiliary power supply, communication function and panel size before ordering.
