| Brand | Rw Energy |
| Model NO. | 0 to 800Amp Motor Protection Controller |
| Rated frequency | 50/60Hz |
| Series | ARD3 |
General
ARD3 smart motor protectors can protect motors from many faults during the motor running and display the running state clearly and intuitively through LCD.The protector has RS485 remote communication interface and DC4-20mA analog output, which is convenient to form a network system together with control machines like PLC and PC.
Feature
-
U, I, P, S, PF, F, EP, Leakage, PTC/NTC
-
16 protect function
-
Start control function
-
9 programmable DI
-
5 programmable DO
-
Modbus-RTU or Profibus-DP communication
-
1 DC4-20mA analog output
-
20 fault record
-
Anti-shaking function
Parameters
|
Technical parameters |
Technical indicators |
|
|
Protector auxiliary power supply |
AC85-265V/DC100-350V,power comsumption 15VA |
|
|
Rated working voltage of the motor |
AC380V / 660V, 50Hz / 60Hz |
|
|
Rated operating current of the motor |
1 (0.1A-5000A) |
Small special current transformers |
|
5 (0.1A-5000A) |
||
|
25（6.3A-25A） |
||
|
100（25A-100A） |
||
|
250（63A-250A） |
Special current transformers |
|
|
800（250A-800A） |
||
|
Relay output contact capacity |
Impedance load |
AC250V、10A |
|
Relay output contactor, |
5 channels,AC 250V 6A |
|
|
Switching input |
9 channels,opto-coupler isolation |
|
|
Communication |
RS485 Modbus_RTU, Profibus_DP |
|
|
Environment |
Working temperature |
-10ºC～55ºC |
|
Storage temperature |
-25ºC～70ºC |
|
|
Relative humidity |
≤95﹪No condensation, no corrosive gas |
|
|
Altitude |
≤2000m |
|
|
Pollution levels |
Class 2 |
|
|
Protection grade |
Main body IP20, split display module IP54 (installed on the cabinet panel) |
|
|
Installation category |
Level III |
|
Dimensions
Typical Connection
-
Integrated Smart Power Monitoring and Energy Efficiency Management SolutionOverviewThis solution aims to provide a smart power monitoring system (Power Management System, PMS) centered on end-to-end optimization of power resources. By establishing a closed-loop management framework of "monitoring-analysis-decision-execution," it helps enterprises transition from simply "using electricity" to intelligently "managing electricity," ultimately achieving safe, efficient, low-carbon, and economical energy usage goals. Core PositioningThe core positioning of this system is tRW Energy28/09-2025 -
A Novel Modular Monitoring Solution for Photovoltaic and Energy Storage Power Generation Systems1.Introduction and Research Background1.1 Current State of the Solar IndustryAs one of the most abundant renewable energy sources, the development and utilization of solar energy has become central to the global energy transition. In recent years, driven by policies worldwide, the photovoltaic (PV) industry has experienced explosive growth. Statistics indicate that China's PV industry saw a staggering 168-fold increase during the "12th Five-Year Plan" period. By the end of 2015, the installedRW Energy28/09-2025 -
Comprehensive Power Quality Diagnostic Expert System Solution1.Core PositioningThis solution is designed to provide a comprehensive, multi-dimensional power quality diagnostic expert system. It moves beyond traditional data acquisition and monitoring, deeply integrating advanced analysis and diagnostic functions, positioning itself as an enterprise's "Comprehensive Physician for Power Quality." It can accurately capture, deeply analyze, and intelligently diagnose various types of power quality issues within the electrical grid. It offers users a full-chaRW Energy28/09-2025 -
Ubiquitous Energy Management System Solution for Smart Cities and Integrated Parks1.Overview and Core PositioningThe core positioning of this system is: a comprehensive platform for the collaborative management and optimization of multiple energy flows, including water, electricity, gas, and heat. It goes beyond traditional power monitoring by breaking down energy data silos. Through integration, analysis, optimization, and prediction, it serves as an "energy brain" that provides panoramic visibility, intelligent decision-making, and deep value for various energy consumers sRW Energy28/09-2025 -
Intelligent Power Monitoring: Smart Power Monitoring System Solution1.System OverviewCore Positioning: AI-Driven Adaptive Power Security GuardianThe Intelligent Power Monitoring system is a new-generation power monitoring solution designed for the future. It breaks through the limitations of "passive alarm" inherent in traditional monitoring systems. By integrating edge computing, cloud computing, and artificial intelligence technologies, it constructs an integrated active defense system encompassing "perception - analysis - decision - early warning." The coRW Energy28/09-2025 -
High-Precision Electrical Parameter Monitoring System Solution1.IntroductionWith the increasingly stringent requirements for power supply quality in high-end facilities such as precision manufacturing, medical diagnosis, and data centers, traditional power monitoring systems, due to their low sampling accuracy and weak data analysis capabilities, can no longer meet the demand for deep insight and precise management of power quality. In response, we are introducing a new generation High-Precision Electrical Parameter Monitoring System. With millisecond-lRW Energy28/09-2025
