GE SR469-P5-HI-A20 is a motor management relay produced by GE Multilin. The following is a detailed introduction of the product:
1、 Product Overview
The GE SR469-P5-HI-A20 motor management relay is designed specifically for industrial automation control systems, with powerful motor control functions and comprehensive protection capabilities. It is suitable for various industrial application scenarios that require high reliability and stability motor control.
2、 Main characteristics
Motor control function: GE SR469-P5-HI-A20 can achieve control operations such as starting, stopping, forward and reverse rotation of the motor, suitable for various motor drive application scenarios.
Protection function: It has overcurrent, overvoltage, undervoltage and other protection functions, which can effectively prevent abnormal situations from causing damage to motors and modules.
Analog output: Provides four 4-20mA analog outputs, which can be used to monitor and control various parameters of the motor.
Cold and hot safety protection: With a cold and hot safety stall ratio, it can be used for the cold and hot safety protection of motors.
Easy to program and configure: Provides easy-to-use programming interfaces and configuration tools to facilitate module programming and parameter settings for users. Users can program according to their actual needs to implement various complex control logic and data processing functions.
High reliability: Using high-quality electronic components and materials, strict quality control and testing ensure long-term stable operation during use.
Easy to maintain and debug: The design is simple and convenient for cleaning and maintenance. At the same time, it provides rich debugging tools and functions to facilitate users in module debugging and troubleshooting.
3、 Technical specifications
Control power supply: rated at 90-300VDC, 70-265VAC @ 48-62Hz.
CT secondary coil: a standard device with a 5A phase CT secondary coil.
Grounded CT Input: One of the two grounded CT inputs is designed for GE power management, while the other is used for grounded CT.
VT input: VT that adapts to triangular or star configurations.
Communication: Supports Modbus RTU communication.
4、 Motor thermal model
The motor thermal model of GE SR469-P5-HI-A20 provides features such as RTD bias, motor cooling time constant, startup suppression and emergency restart, unbalanced bias, and overload curve, which help achieve precise control and protection of the motor.
5、 Appearance and Structure
Front panel: includes a front panel with an LCD display screen, used to display the operating status and fault information of the motor.
LED indicator light: has multiple LED indicator light areas, used to indicate different working states and fault types.
Special keyboard: equipped with a dedicated keyboard for input, convenient for users to set parameters and troubleshoot.
Communication Port: Provides a communication port for data exchange and communication with external devices.
Side design: The side design of the device is designed to allow airflow to pass through, in order to maintain the equipment within an appropriate operating temperature range.
6、 Application scenarios
The GE SR469-P5-HI-A20 motor management relay is suitable for medium voltage motor protection, especially in industrial automation control systems. It can be widely used in motor control systems in industries such as petroleum, chemical, power, metallurgy, etc., to achieve precise control and protection of motors, and improve the stability and reliability of the system.