GE SR469-P5-H-A20-T

I. Overview
The GE SR469-P5-HI-A20 is a high-performance and highly reliable motor management relay, specifically designed for medium and high-voltage motors, offering comprehensive protection and control functions. It adopts advanced microprocessor technology and is equipped with high-precision current, voltage, and temperature monitoring capabilities. It can effectively prevent motor faults such as overload, short circuit, ground fault, voltage loss, and undervoltage, ensuring the safe operation of motors in various industrial environments.

II. Parameters

Rated voltage: 90-300 VDC or 70-265 VAC (some models support 12-48 VDC input voltage).
Rated current: 5 A (phase CT secondary coil).
Analog output: 4 channels of 4-20 mA analog output.
Operating temperature range: -40°C to +85°C (some models can reach -20°C to +60°C).
Storage temperature range: -40°C to +80°C (some models can reach -65°C to +150°C).
Protection class: IP20 or IP54 (some models are IP67).
Dimensions: 230 mm x 165 mm x 80 mm (some models are 21.8×22.8×25 cm).
Weight: approximately 2.2 kg (some models are 7.32 kg).
Communication interfaces: supports protocols such as RS232, RS485, Modbus RTU, Modbus TCP/IP, Ethernet, etc.

III. Product Features

Comprehensive protection functions: provides various protection functions such as overload, short circuit, ground fault, voltage loss, undervoltage, phase loss, single-phase operation, locked rotor, etc.
High reliability: adopts advanced microprocessor technology and redundant design to ensure the stability and reliability of the system.
Compact design: easy to install and maintain, suitable for various industrial environments.
LCD display: the front panel is equipped with a large LCD display that can show 40 characters, facilitating information reading and diagnosis.
Programmability: supports user-defined control logic and parameter settings to meet different application requirements.
Data collection and processing: can acquire and process data such as motor current, voltage, and power factor, facilitating remote monitoring and maintenance.
Easy to install and use: compact size and intuitive operation interface allow users to get started quickly.

IV. Structure and Composition
The GE SR469-P5-HI-A20 consists of multiple modules, including:

Main unit: responsible for the protection and control functions of the motor.
Current transformer secondary input module: used to collect the current signal of the motor.
Analog output module: provides 4 channels of 4-20 mA analog output for control and monitoring.
Communication module: supports multiple communication protocols, facilitating integration with automation systems.
Front panel: equipped with RS-232 program port interface, sealed pull-out handle, LCD display, etc.

V. Application Fields
The GE SR469-P5-HI-A20 is widely used in the following fields:

Power industry: motor protection in power plants and substations.
Metallurgical industry: motor control of equipment such as rolling mills and cranes.
Petroleum and chemical industry: motor protection of equipment such as pumps and fans.
Construction industry: motor control of equipment such as air conditioners and elevators.
Industrial automation: applications requiring motor control in various production processes.
Transportation: elevators, escalators, subway systems, etc.
Water treatment and wastewater treatment: motor protection of pumps and other equipment.

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