GE 239-RTD-AN Motor protection relay

GE 239-RTD-AN Motor protection relay

Specific Parameters

Brand GE (General Electric, American Original Factory), Product Series GE 239 Motor Protection Relay Series, GE Multilin Relay Series

Product Type Industrial-Grade Motor Protection Relay, RTD Temperature Detection and Protection Device, Motor Safety Protection Component, Original Authentic Spare Part

Model GE 239-RTD-AN (The AN suffix represents programmable features and a single isolated analog output)

Country of Origin United States (Produced by GE Multilin Original Factory, Global Synchronous Supply)

Compatible Devices AC Motors, Three-Phase AC Motors, Fans, Pumps, Compressors, Conveyors, Generators, Industrial Automation Systems, SCADA Systems, RTD Sensors, Power Distribution Switchgear

Core Functions AC Motor Fault Protection, RTD Temperature Detection, Overload Protection, Short Circuit Protection, Undervoltage Protection, Overvoltage Protection, Ground Fault Protection, Single-Phase Operation Protection, Programmable Control, Single Isolated Analog Output, Fault Diagnosis, Trip Recording, Remote Monitoring, On-Site Programming

Product Structure Compact Industrial Enclosure, Small Size, Lightweight Design, Adaptable to Power Distribution Switchgear Installation, Can Be Flexibly Embedded into Various Motor Control Circuits

Protection Functions Overload Protection, Short Circuit Protection, Undervoltage Protection, Overvoltage Protection, Ground Fault Protection, Single-Phase Operation Protection, Motor Over-Temperature Protection, Circuit Breaker Fault Protection, Locked Rotor Protection

RTD Compatible Types Supporting 100-ohm Platinum Resistor (Pt100), 1000-ohm Platinum Resistor (Pt1000), 120-ohm Nickel Resistor (Ni120), 10-ohm Copper Resistor (Cu)

Temperature Parameters Operating Temperature Range -40℃ to +70℃, Storage Temperature Range -40℃ to +85℃, Alarm/Trip Temperature Range 0℃ to 200℃, Temperature Measurement Accuracy ±2℃, Temperature Dead Band 2℃

RTD Lead Resistance Maximum Lead Resistance of Platinum Resistor and Nickel Resistor is 25Ω, Maximum Lead Resistance of Copper Resistor is 3Ω (Supporting Three-Wire Lead Resistance Compensation)

Electrical Parameters Voltage Level 200V to 690V, Frequency 50Hz or 60Hz, Current Level 0.5A to 600A, Phase Current CT Input Supporting 1A and 5A Secondary

Communication Protocols Supporting Modbus RTU Protocol, Optional EtherNet/IP Protocol, Realizing Remote Monitoring and Data Interaction

Communication Interfaces Equipped with RS485 Communication Interface, Supporting Connection with Upper Computer and SCADA System Through Rear Terminals

Analog Output Single Isolated Analog Output, Which Can Convert Temperature Data into Analog Signals and Transmit to Control Systems

Programming Methods Supporting Three Programming Methods: Front Panel Button Programming, Rear Terminal RS485 Port Connecting to Computer for Programming, Rear Terminal RS485 Port Connecting to SCADA System for Programming

Programming Software Supporting GE 239 PC Communication Software (Version 2.7x and Above), Enabling Parameter Configuration and Firmware Upgrade

Fault Recording Can Record the Last 5 Trip Causes, With Fault Diagnosis Function, Providing Independent Post-Fault Analysis Data

Dielectric Strength 2.0kV Withstand Voltage Test for 1 Minute (For Relays, CTs, Power Supply)

Relative Humidity 5% to 95%, Non-Condensing, Adaptable to High Humidity Industrial Scenarios

Protection Class IP67, Sealed Design, Effectively Preventing Dust and Water Intrusion, Adapting to Harsh Industrial Environments

Anti-Interference Performance With Strong Anti-Electromagnetic Interference Capability, Adapting to Complex Electromagnetic Environment of Industrial Sites, Optional Harsh Environment Conformal Coating

Physical Dimensions 110mm×55mm×30mm, Compact Design, Saving Installation Space in Control Cabinets

Physical Weight Approximately 0.5kg (Body Weight), Shipping Weight Approximately 1.5kg, Easy to Handle, Install and Maintain

Mounting Method Switchgear Embedded Mounting, Panel Mounting, Easy to Install and Disassemble, Can Be Flexibly Integrated into Motor Control Circuits

Operation Interface Equipped with Intuitive Front Panel, With Buttons and Display Functions, Supporting Parameter Setting, Fault Query and Status Monitoring

Diagnostic Function Built-in Complete Fault Self-Diagnosis Module, Which Can Real-Time Monitor Motor Operation Status, RTD Sensor Status and Its Own Operation Status, Quickly Locate Fault Causes

Product Material Industrial-Grade High-Strength Flame-Retardant Shell, High-Voltage Resistant Insulation Material, Built-in Anti-Corrosion and Anti-Dust Components, Optional Harsh Environment Conformal Coating

Special Functions With Thermal Model Integration Feature, Supporting Multiple Setpoint Configuration, Built-in Simulation Test Function for Daily Maintenance and Calibration; Supporting On-Site Firmware Upgrade, Enabling Product Function Upgrade Through Flash Memory

Product Performance

GE 239-RTD-AN is an original GE device with extremely strong adaptability, which can be perfectly adapted to various motor equipment such as small and medium-sized AC motors, fans, pumps, compressors and conveyors, seamlessly integrated into industrial automation systems, SCADA systems and motor control circuits, no additional adaptation components required, greatly reducing system integration complexity and commissioning costs. It can be used as the core component of motor protection, supporting the safe operation of motors under full working conditions, and effectively preventing motor damage caused by various electrical and temperature faults. The product has excellent protection, detection and communication performance, integrating a variety of complete motor protection functions, which can quickly detect and respond to various motor faults, timely issue alarm or trip commands to avoid fault expansion; RTD temperature detection has high accuracy, which can accurately monitor motor stator and bearing temperature, and with a single isolated analog output, realize real-time transmission of temperature data; multiple programming methods and communication protocols support remote monitoring, parameter configuration and fault diagnosis, improving motor operation and maintenance efficiency. The product has outstanding reliability, adopting industrial-grade high-quality components, IP67 high protection level sealed design and optional conformal coating. The wide operating temperature range of -40℃ to +70℃ can adapt to harsh industrial scenarios such as high temperature, low temperature and high humidity, meeting the insulation strength standard, strong anti-electromagnetic interference capability, long mean time between failures, and meeting the protection needs of long-term stable operation of industrial motors. The product is convenient for operation and maintenance. The compact design is convenient for installation and maintenance. The intuitive operation interface and complete fault recording and self-diagnosis functions can help operation and maintenance personnel quickly locate faults and analyze causes. The remote programming and monitoring functions reduce the frequency of on-site inspections, and the built-in simulation test function is convenient for daily calibration, greatly improving operation and maintenance efficiency, and providing reliable protection support for the safe and stable operation of industrial motors.