Introduction
The HY-3D3Y Three-phase LCD Multifunction Digital Meter is designed for full-power measurement and electrical 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 an LCD display, compact panel-mounted structure and optional RS485 communication, the HY-3D3Y is suitable for indoor distribution cabinets, industrial control panels, electrical rooms and energy management systems.
Key Features
1. Measures three-phase voltage, current, power, energy, frequency and power factor.
2. LCD display provides clear interface and multiple parameter display.
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. Indoor power distribution cabinets.
2. Low-voltage switchgear systems.
3. Industrial control panels.
4. Factory electrical monitoring systems.
5. Building power distribution systems.
6. Motor control centers and automation cabinets.
7. Electrical control rooms.
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 and frequency.
2. Supports active energy and reactive energy measurement.
3. LCD display shows multiple electrical parameters with a clear interface.
4. Menu button design makes parameter setting simple and convenient.
5. Programmable CT/PT ratio supports different current and voltage systems.
6. Supports alarm and control output functions according to model selection.
7. Supports RS485 communication with Modbus RTU protocol.
8. Supports switch input, relay output, analog output and energy pulse output.
9. Compact structure, easy installation and simple wiring.
10. Suitable for integration with power monitoring and energy management systems.
Technical Index
| Item |
Specification |
| Product Name |
HY-3D3Y Three-phase LCD Multifunction Digital Meter |
| Display Type |
LCD 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. Full-power measurement for voltage, current, power, energy, frequency and power factor monitoring.
2. LCD display provides a clear interface for three-phase electrical parameter reading.
3. Compact panel-mounted design for easy installation in distribution cabinets.
4. Suitable for indoor power distribution, control panels and energy monitoring systems.
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: LCD 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, relay output, analog output, pulse output optional.
10. Panel size and installation dimension: 80×80mm, 96×96mm, 72×72mm.
11. Application environment: indoor distribution cabinet, switchgear, control panel, power monitoring system.
FAQ
Q1: What parameters can the HY-3D3Y Three-phase LCD Multifunction Digital Meter measure?
It can measure voltage, current, active power, reactive power, apparent power, power factor, frequency, active energy and reactive energy.
Q2: What is the main difference between HY-3D3 and HY-3D3Y?
HY-3D3 uses an LED digital display, while HY-3D3Y uses an LCD display for full-power measurement and clearer multi-parameter interface display.
Q3: Can the HY-3D3Y support three-phase three-wire and four-wire systems?
Yes, it supports both three-phase three-wire and three-phase four-wire electrical systems.
Q4: Does the HY-3D3Y support RS485 communication?
Yes, RS485 communication with Modbus RTU protocol is optional for remote monitoring and energy management systems.
Q5: Can the CT/PT ratio be programmed?
Yes, the HY-3D3Y supports programmable CT/PT ratio settings for different current and voltage measurement applications.
Q6: Where is the HY-3D3Y commonly used?
It is commonly used in distribution cabinets, switchgear, industrial control panels, electrical rooms and power monitoring systems.
Q7: Is the HY-3D3Y suitable for indoor power monitoring?
Yes, its LCD display and full-power measurement functions make it suitable for indoor distribution cabinets, control panels and energy monitoring systems.
Q8: What information should be confirmed before ordering?
Please confirm measuring parameters, wiring system, input current, input voltage, auxiliary power supply, communication function, output function and panel size before ordering.
