239-RTD AN Motor Protection Relay, Advanced Industrial Control
Model Number:239-RTD-AN Category:Industrial Control Relays Insulation Voltage:300 V Fuse Rating:5 x 20 mm, 250 V, 2.5 A Overload Curves:Customizable Trip Time Accuracy:+/- 1% of Displayed Value Pickup Range:Full Load, and Phase Current RFI Test:50 MHz/15 W Transmitter Short Circuit and Ground Trip:Available S/C Trip Level:1 to 11 x CT PRI/OFF Storage Temperature Range:-40 to 158"F Unbalance Delay:0-60 s Ventilation Requirements:None The GE 239-RTD AN Motor Protection Relay is engineered with advanced technology to provide robust protection for industrial motors. It is part of the GE Multilin series, known for its reliability and efficiency in harsh environments. Featuring three programmable RTD types (nickel, platinum, or copper), it adapts to various applications, enhancing its versatility in diverse industries.
The relay ability to sense signals from motor bearings and/or RTDs ensures precise monitoring and response. With an internally connected ground safety feature, the 239-RTD AN is designed to prevent electrical hazards and ensure operational integrity. Its compact design and compatibility with most starters make it a versatile choice for modern industrial setups. Equipped with a clear front-facing LCD display, users can easily monitor status, temperature, and current, providing real-time feedback for maintenance and troubleshooting.
The unit is designed for easy integration with existing systems, facilitating seamless operation and management. Certifications for regulatory compliance and approvals for international usage guarantee the reliability and safety of the GE 239-RTD AN Motor Protection Relay. It is suitable for applications requiring breaker failure protection, overload warning, ground fault protection, and locked rotor protection, ensuring peace of mind for industrial operations. The GE 239-RTD-AN is a state-of-the-art motor protection relay designed specifically for industrial control systems, offering enhanced reliability and performance in demanding environments.
Features
▪ Contains 10 Mbytes of battery-backed user memory and 10 Mbytes of non-volatile flash user memory.
▪ Provides access to bulk memory via reference table %W.
▪ Configurable data and program memory.
▪ Programming in Ladder Diagram, C, Structured Text, and Function Block Diagram.
▪ Supports auto-located Symbolic Variables that can use any amount of user memory.
▪ Reference table sizes include 32Kbits for discrete %I and %Q and up to 32K words each for analog %AI and %AQ.
▪ Supports Series 90-70 discrete and analog I/O, communications, and other modules. For a list of modules supported, refer to the PACSystems RX7i Installation Manual, GFK-2223.
▪ Supports all VME modules supported by Series 90-70.
▪ Supports RX7i data monitoring over the web. Allows a combined total of up to 16 web server and FTP connections.
▪ Supports up to 512 program blocks. Maximum size for a block is 128KB.
▪ Test Edit mode allows you to easily test modifications to a running program.
▪ Bit-in-word referencing.
▪ Battery-backed calendar clock.
▪ In-system upgradeable firmware.
▪ Three isolated serial ports: an RS-485 serial port, an RS-232 serial port, and an RS-232 Ethernet station manager serial port.
▪ The embedded Ethernet interface provides:
- Data exchange using Ethernet Global Data (EGD)
- TCP/IP communication services using SRTP
- Support for SRTP Channels, Modbus/TCP Server, and Modbus/TCP Client
- Full programming and configuration services
- Comprehensive station management and diagnostic tools
- Two full-duplex 10BaseT/100BaseT/TX (RJ-45 Connector) ports with an internal network switch providing auto-negotiated network speed, duplex mode, and crossover detection.
- User-configurable Redundant IP address
- Time synchronization to SNTP time server on Ethernet network (when used with Release 5.00 or later CPU module).




