SR469-P5-HI-A20 Motor management relay

Description

SR469-P5-HI-A20 is an advanced motor management relay designed for seamless connection with medium voltage motors. Its working principle is to continuously measure and analyze multiple electrical parameters. This relay is equipped with a 5-ampere phase current transformer (CT) secondary winding for precise measurement of the current passing through each phase of the motor. These data, along with voltage measurements (with a control power supply voltage range of 70-265 volts AC and 90-300 volts DC), will be processed to detect any abnormal conditions.

SR469 – P5 – HI – A20

This relay integrates advanced algorithms for calculating parameters such as power, electrical energy, and power factor. It can identify conditions such as overload, short circuit, and phase imbalance. For example, if the current of a certain phase exceeds the normal operating range for a long time, it indicates an overload situation and the relay will take immediate action.

In industrial control systems, SR469-P5-HI-A20 is typically located between the motor and the power supply. It is connected to the motor through current transformers and voltage transformers, and communicates with the overall control system through various interfaces. It can be integrated with programmable logic controllers (PLCs) or monitoring and data acquisition (SCADA) systems. The relay also has an analog output function of 4-20mA, which can be used to transmit real-time operating data of the motor (such as current or power consumption) to other monitoring or control devices in the system.

SR469-P5-HI-A20

Technical specifications:
Model numberSR469-P5-HI-A20
Brand GE
Type: Motor Management Relay
CT secondary winding 5 ampere phase
Control power supply 70-265 volts AC, 90-300 volts DC
Frequency range 48-62 Hz
Analog output 4-20mA
Advanced thermal model with multiple RTD inputs for stator thermal protection
Communication interface standard RS232 and RS485 serial ports; Optional Ethernet and DeviceNet
Enhanced front panel with LED indicator lights and 40 character LCD display screen
The environmental level is applicable to general industrial environments; Optional conforming coating
Installation method: rack mounted or panel mounted (depending on the housing options)

Contact Us
Phone:+86 16626708626
WeChat/WhatsApp:+86 16626708626
Email: 3772179818@qq.com

SR469 – P5 – HI – A20

Main features and advantages:
Enhanced motor protection:SR469-P5-HI-A20 provides comprehensive protection functions. Its ability to detect and respond to overload, short circuit, and phase imbalance ensures that the motor is protected from potential damage. This reduces maintenance costs, as a decrease in motor failures means a lower frequency of repairs or replacements. For example, in mining operations, this relay can prevent motor burnout caused by high current events, save the cost of new motors, and reduce downtime required for replacement.
Improving energy efficiency: By accurately monitoring power consumption and power factor, this relay enables the industrial sector to identify and correct inefficient energy usage patterns. For example, if the motor operates at low power factor, the relay can trigger corrective measures, such as installing power factor correction capacitors. This can bring significant energy savings in the long term.
Simplified configuration and monitoring: The relay features a user-friendly interface, an enhanced front panel including a 40 character LCD display, LED indicator lights, and numeric keypad. This enables operators to easily configure relay settings, view real-time motor data, and receive alerts for any abnormal conditions. In addition, its communication interface allows for remote monitoring and control, enabling maintenance teams to manage motor operation from a central location.

SR469 – P5 – HI – A20

Application areas:
Manufacturing plant: In automotive manufacturing,SR469-P5-HI-A20 can be used to protect and monitor the motors that power robot arms, conveyors, and other critical equipment. It ensures the smooth operation of these motors and minimizes production interruptions to the greatest extent possible. In food and beverage factories, it can protect the motors in packaging machines, mixers, and pumps, maintaining the integrity of the production process.
Power generation and distribution: In power plants, this relay can be used to protect motors in cooling systems, fans, and pumps. It helps ensure the reliable operation of these auxiliary systems, which is crucial for the overall performance of the power generation process. At the substation, it can monitor and protect the motors used for switchgear operation and control.
Water and sewage treatment: Electric motors play a crucial role in water and sewage treatment plants, providing power for pumps, aerators, and other equipment. SR469-P5-HI-A20 can be used to protect these motors from electrical faults, ensuring continuous and efficient water treatment.

SR469 – P5 – HI – A20

Related products:
SR469-P5-HI-A20-E: This variant features an enhanced front panel design, providing additional functionality and a more user-friendly interface. It may be suitable for application scenarios that prioritize usability and advanced display functionality.
SR469-P5-HI-A20-E-H: Designed specifically for harsh environments, this product includes a conformal coating that protects internal components from corrosion, humidity, and other environmental factors. It is highly suitable for use in industries such as oil and gas, where operating conditions can be particularly challenging.

SR469 – P5 – HI – A20

Installation and maintenance:
Installation: Before installation, ensure that the power supply voltage and frequency match the specifications of the relay. Current transformers and voltage transformers should be selected and installed appropriately based on the rated current and voltage of the motor. Relays should be installed in locations that are easy to configure and maintain, and have good ventilation to prevent overheating.
Configuration: Use the front panel interface or provided software to configure relay settings. This includes setting overload protection thresholds, alarm levels, and communication parameters. It may also be necessary to calibrate the analog output to ensure accurate measurement and transmission of data.
Maintenance: Regularly check the relay for any physical damage or signs of overheating. Check the connections of current transformers, voltage transformers, and communication cables to ensure they are secure. Regularly update the firmware of the relay to obtain the latest features and error fixes. Use the diagnostic function of relays to monitor their health status and identify any potential issues before they cause motor failure.

SR469 – P5 – HI – A20

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