Parameter Specifications1

• Control Power: 70 - 265V AC, 90 - 300V DC
• Phase Current: 5A
• Humidity: 95%, non-condensing
• Operating Temperature: -40°C to +80°C
• Analog Outputs: 4 - 20mA
• RTD Sensing Current: 5mA
• Port Interface: RS-232 with a baud rate of 9600, programmable up to 19,200 baud
• Instantaneous Timing Accuracy: ±50ms

Applications

• Motor Protection: It's mainly used for protecting medium-voltage motors, offering integrated management and protection against overload, short circuit and phase loss4.
• Power System Monitoring: Monitors power parameters in power systems to ensure stable operation.
• Industrial Automation: In industrial automation systems, it helps to control and protect motors in production equipment, improving system reliability.

Weight and Dimensions

• Weight: There is no specific data available, but the shipping weight of its similar model SR469-P5-HI-A20-E-H is max. 7.7 kg3.
• Dimensions: Not provided in common data sources, but it's likely to be designed for 19-inch rack mounting like its similar models3.

Features4

• Comprehensive Protection: Equipped with overload, short circuit and phase loss protection functions.
• User-friendly Interface: The front panel has a large 40-character LCD display, motor and output status indicators, and a numeric keypad for easy operation.
• High Sensitivity: Quickly and accurately detects motor operating conditions with high sensitivity.

Stability and Reliability4

• High-Quality Materials: Made of high-temperature and corrosion-resistant materials, ensuring long-term stable operation.
• Certifications: Holds certifications like ISO, UL, CSA and CE, indicating compliance with strict quality and safety standards.
• Error Detection and Correction: Incorporates advanced algorithms to detect and correct errors, ensuring data accuracy and integrity.

Actual Cases

• In a Petrochemical Plant: In a large petrochemical plant, SR469-P5-HI-A20-E was used to protect and monitor medium-voltage motors of oil pumps. It detected an overcurrent caused by pump cavitation in time and cut off the power, preventing motor damage.
• In a Power Generation Plant: At a thermal power plant, it was applied to the motor control system of the conveyor belt. It accurately detected a phase loss fault in the motor, avoiding equipment damage and production interruption.