
A multi-functional electric power instrument is a network-based multi-functional electric power instrument with programmable measurement, display, digital communication, and electrical energy pulse transmission output functions. It can perform electricity measurement, energy metering, data display, collection, and transmission, and is widely used in substation automation, distribution automation, intelligent buildings, and internal power measurement, management, and assessment for enterprises. The measurement accuracy is 1.0 class, featuring on-site LCD display and remote RS-485 digital communication interface, utilizing MODBUS-RTU communication protocol or DL/T645-2007.
Product Features
Real-time Monitoring: Three-phase current, voltage, total active power, total reactive power, power factor, total apparent power, frequency, phase-wise reactive/active power, phase-wise power factor, reactive energy, active energy
LCD Liquid Crystal Display, high visibility
Communication: 1-channel RS485 communication function, MODBUS-RTU protocol or DL/T645-2007 protocol
Optional: 4-channel switch output, 4-channel switch input, 4-channel analog output.
Application Areas: Industrial Manufacturing, Commercial Buildings, Complete Plants, Substations, Public Facilities, etc.
Customization: We offer customizable services for logos, appearance, and functions.
Technical Specifications
| Performance | Parameters | ||
| Please provide the Chinese content to be translated. Enter Measure Quantity Visible Show | Internet | Three-phase three-wire, three-phase four-wire | |
| Voltage | Rated Value | AC25~500V | |
| Overload | Continuously: 1.2 times (continuous) / 2 times rated value per second | ||
| Power Consumption | <0.4VA (per phase) | ||
| Impedance | >500KΩ | ||
| Accuracy | RMS Measurement, Accuracy Grade 0.5 | ||
| Current | Rated Value | AC25mA~5A | |
| Overload | Continuous: 1.2x Instantaneous: 10x/1s | ||
| Power Consumption | <0.2VA (per phase) | ||
| Impedance | <2mΩ | ||
| Accuracy | RMS measurement, accuracy grade 0.5 | ||
| Frequency | 45~65Hz | ||
| Power | Apparent Power, Active Accuracy 1.0 Class, Reactive Accuracy 2.0 Class | ||
| Electricity | Four-quadrant measurement, active accuracy 1.0 class, reactive accuracy 2.0 class | ||
| Harmonic | Total Harmonic Content | ||
| Power Supply | Scope of Work | AC220V、AC/DC85~270V | |
| Power Consumption | ≤5VA | ||
| Output | Digital Communication | RS-485, MODBUS-RTU protocol, or DL/T645-2007 | |
| Environmental | Work environment | -10~55℃ | |
| Storage Environment | -20~75℃ | ||
| Safety | Pressure-resistant | Input/Power > 2kV, Input/Output > 2kV, Power/Output > 2kV | |
| Insulation | Input, output, power to housing > 50MΩ | ||
| Electrical Power Measurement Range | Active and reactive energy measurement range: 0~99999999 MWh Electricity consumption beyond this value is counted from 0. | ||
| Enhanced Features | Switched Quantitative Input | 4DI | |
| Switched quantity output | 4DO | ||
| Pulse Output | 1PO | ||
| Analog Output | 4AO | ||
| Rs485 Communication | 1-RS485 | ||
| Harmonic | 2-63 times | ||
| Demand | Active Power, Reactive Power | ||
| Value Statistics | Voltage, high current values | ||
| Optional | 0.5S/0.2S | ||
| Serial Number | Standard | Grade | |
| 1 | Rapid transient pulse group interference test | GB/T.13729-2019.5.7.2(GB/T17626.4-2018) | 3 |
| 2 | Surge Interference Test | GB/T.13729-2019.5.7.3(GB/T17626.5-2019) | 3 |
| 3 | Power Frequency Magnetic Field Interference Test | GB/T.13729-2019.5.7.5(GB/T17626.8-2006) | 3 |
| 4 | Power Voltage Surge and Interruption Testing | GB/T·13729-2019.5.7.7(GB/T.15153.1-1998-A.1.5) | 2 |
Product Selection
Model Product Features | YN183E-9SY | YN183Z-9HY | YN183Z-9FY | YN183E-3SY | YN183Z-3HY | YN183Z-3FY | YN183E-ASY | YN183Z-AHY | YN183Z-AFY | |
| Measurement Parameters | Three-phase voltage | √ | √ | √ | √ | √ | √ | √ | √ | √ |
| Three-phase Current | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Always Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Total Inactive Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Power Factor | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Frequency | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Phase-Average Active Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Apparent Power (reactive) | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Phase Power Factor | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Required Power (Active/Reactive Power) | Optional accessories | Optional | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | |
| Unbalance (voltage/current) | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | |
| Voltage High Value | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| High Current Value | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Four Quadrant Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Harmonics 2-63 | √ | √ | √ | |||||||
| Recurring fee rate | √ | √ | √ | |||||||
| Communication | RS485 | 1 Road | 1 lane | 1 lane | 1 lane | 1 lane | 1 lane | 1 lane | 1 lane | 1 Road |
| Expanded Features | Switched Input DI (optional) | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels |
| Switched Output DO (Optional) | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | |
| Analog Output AO (Optional) | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | |
| Dimension and Shape | 96*96mm | 96*96mm | 96*96mm | 80*80mm | 80*80mm | 80*80mm | 72*72mm | 72*72mm | 72*72mm | |
| Hole dimensions | 91*91mm | 91*91mm | 91*91mm | 76*76mm | 76*76mm | 76*76mm | 67*67mm | 67*67mm | 67*67mm | |
| Note: Harmonics/Compound rates can be selected simultaneously. The actual page is based on the factory's standard. | ||||||||||
Dimensions and wiring diagram

Panel Size (L x H) | Hole Size (S x Y) | Depth (N) |
96*96mm | 91*91mm | 47mm |
80*80mm | 76*76mm | 47mm |
72*72mm | 67*67mm | 47mm |
Installation Steps:
Remove the installation card from the side of the meter.
2) Drill a hole at the installation location corresponding to the hole size.
3) Insert the gauge into the hole, reattach the mounting bracket to the meter from the back, and secure it.

A multi-functional electric power instrument is a network-based multi-functional electric power instrument with programmable measurement, display, digital communication, and electrical energy pulse transmission output functions. It can perform electricity measurement, energy metering, data display, collection, and transmission, and is widely used in substation automation, distribution automation, intelligent buildings, and internal power measurement, management, and assessment for enterprises. The measurement accuracy is 1.0 class, featuring on-site LCD display and remote RS-485 digital communication interface, utilizing MODBUS-RTU communication protocol or DL/T645-2007.
Product Features
Real-time Monitoring: Three-phase current, voltage, total active power, total reactive power, power factor, total apparent power, frequency, phase-wise reactive/active power, phase-wise power factor, reactive energy, active energy
LCD Liquid Crystal Display, high visibility
Communication: 1-channel RS485 communication function, MODBUS-RTU protocol or DL/T645-2007 protocol
Optional: 4-channel switch output, 4-channel switch input, 4-channel analog output.
Application Areas: Industrial Manufacturing, Commercial Buildings, Complete Plants, Substations, Public Facilities, etc.
Customization: We offer customizable services for logos, appearance, and functions.
Technical Specifications
| Performance | Parameters | ||
| Please provide the Chinese content to be translated. Enter Measure Quantity Visible Show | Internet | Three-phase three-wire, three-phase four-wire | |
| Voltage | Rated Value | AC25~500V | |
| Overload | Continuously: 1.2 times (continuous) / 2 times rated value per second | ||
| Power Consumption | <0.4VA (per phase) | ||
| Impedance | >500KΩ | ||
| Accuracy | RMS Measurement, Accuracy Grade 0.5 | ||
| Current | Rated Value | AC25mA~5A | |
| Overload | Continuous: 1.2x Instantaneous: 10x/1s | ||
| Power Consumption | <0.2VA (per phase) | ||
| Impedance | <2mΩ | ||
| Accuracy | RMS measurement, accuracy grade 0.5 | ||
| Frequency | 45~65Hz | ||
| Power | Apparent Power, Active Accuracy 1.0 Class, Reactive Accuracy 2.0 Class | ||
| Electricity | Four-quadrant measurement, active accuracy 1.0 class, reactive accuracy 2.0 class | ||
| Harmonic | Total Harmonic Content | ||
| Power Supply | Scope of Work | AC220V、AC/DC85~270V | |
| Power Consumption | ≤5VA | ||
| Output | Digital Communication | RS-485, MODBUS-RTU protocol, or DL/T645-2007 | |
| Environmental | Work environment | -10~55℃ | |
| Storage Environment | -20~75℃ | ||
| Safety | Pressure-resistant | Input/Power > 2kV, Input/Output > 2kV, Power/Output > 2kV | |
| Insulation | Input, output, power to housing > 50MΩ | ||
| Electrical Power Measurement Range | Active and reactive energy measurement range: 0~99999999 MWh Electricity consumption beyond this value is counted from 0. | ||
| Enhanced Features | Switched Quantitative Input | 4DI | |
| Switched quantity output | 4DO | ||
| Pulse Output | 1PO | ||
| Analog Output | 4AO | ||
| Rs485 Communication | 1-RS485 | ||
| Harmonic | 2-63 times | ||
| Demand | Active Power, Reactive Power | ||
| Value Statistics | Voltage, high current values | ||
| Optional | 0.5S/0.2S | ||
| Serial Number | Standard | Grade | |
| 1 | Rapid transient pulse group interference test | GB/T.13729-2019.5.7.2(GB/T17626.4-2018) | 3 |
| 2 | Surge Interference Test | GB/T.13729-2019.5.7.3(GB/T17626.5-2019) | 3 |
| 3 | Power Frequency Magnetic Field Interference Test | GB/T.13729-2019.5.7.5(GB/T17626.8-2006) | 3 |
| 4 | Power Voltage Surge and Interruption Testing | GB/T·13729-2019.5.7.7(GB/T.15153.1-1998-A.1.5) | 2 |
Product Selection
Model Product Features | YN183E-9SY | YN183Z-9HY | YN183Z-9FY | YN183E-3SY | YN183Z-3HY | YN183Z-3FY | YN183E-ASY | YN183Z-AHY | YN183Z-AFY | |
| Measurement Parameters | Three-phase voltage | √ | √ | √ | √ | √ | √ | √ | √ | √ |
| Three-phase Current | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Always Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Total Inactive Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Power Factor | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Frequency | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Phase-Average Active Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Apparent Power (reactive) | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Phase Power Factor | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Required Power (Active/Reactive Power) | Optional accessories | Optional | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | |
| Unbalance (voltage/current) | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | Optional accessories | |
| Voltage High Value | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| High Current Value | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Four Quadrant Power | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
| Harmonics 2-63 | √ | √ | √ | |||||||
| Recurring fee rate | √ | √ | √ | |||||||
| Communication | RS485 | 1 Road | 1 lane | 1 lane | 1 lane | 1 lane | 1 lane | 1 lane | 1 lane | 1 Road |
| Expanded Features | Switched Input DI (optional) | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels |
| Switched Output DO (Optional) | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | |
| Analog Output AO (Optional) | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | 1-4 Channels | |
| Dimension and Shape | 96*96mm | 96*96mm | 96*96mm | 80*80mm | 80*80mm | 80*80mm | 72*72mm | 72*72mm | 72*72mm | |
| Hole dimensions | 91*91mm | 91*91mm | 91*91mm | 76*76mm | 76*76mm | 76*76mm | 67*67mm | 67*67mm | 67*67mm | |
| Note: Harmonics/Compound rates can be selected simultaneously. The actual page is based on the factory's standard. | ||||||||||
Dimensions and wiring diagram

Panel Size (L x H) | Hole Size (S x Y) | Depth (N) |
96*96mm | 91*91mm | 47mm |
80*80mm | 76*76mm | 47mm |
72*72mm | 67*67mm | 47mm |
Installation Steps:
Remove the installation card from the side of the meter.
2) Drill a hole at the installation location corresponding to the hole size.
3) Insert the gauge into the hole, reattach the mounting bracket to the meter from the back, and secure it.
| 品牌: | Yongnuo Electrical |
| Model: | Customization supported |
| Region: | National 1 |
| Brand: | Yongnuo Electrical |
| 单价: | 电议 |
| 最小起订Quantity: | |
| 供货总Quantity: | |
| 有效期至: | 长期有效 |
| 最后更新: | 2025-03-13 17:42 |