GE 489-P5-LO-A20 Generator management relay

Specific Parameters

Brand GE/General Electric

Product Series Multilin 489 Series

Product Type Generator Management Relay

Model 489-P5-LO-A20

Input Voltage 20-60V DC or 20-48V AC

Input Voltage Frequency 48-62Hz

Current Transformer 5A phase current transformer

Analog Output 4-20mA

Communication Interfaces RS-232, RS-485

Communication Protocols Supports Modbus RTU, DNP3.0 protocols

Operating Temperature Range -20℃ to +55℃

Storage Temperature Range -40℃ to +85℃

Relative Humidity 5%-95% Non-condensing

Protection Level IP20

Dimensions 21.6cm×22.4cm×25.2cm

Weight Approximately 10 kilograms

Display Function LCD display, capable of showing current, voltage, frequency, power and fault information

Digital Inputs 7 assignable digital inputs

Output Relays 6 output relays

Measurement Accuracy Current analog input accuracy ±1%

Maximum Altitude 2000m

Overvoltage Category Category Ⅱ

PCB Coating Corrosion-resistant coating

Product Performance

Adopts advanced microprocessor technology, with high reliability, and can operate stably in harsh industrial environments

Integrates a variety of comprehensive protection functions, which can fully prevent abnormal working conditions such as generator overload, short circuit and ground fault

Supports real-time monitoring of multiple parameters, with accurate data measurement, providing a reliable basis for the evaluation of generator set operating status

Equipped with an LCD display and a numeric keypad, the operation interface is intuitive, supporting local parameter configuration and fault viewing

Supports multiple communication protocols and interfaces, and can be seamlessly integrated with SCADA and DCS systems to realize remote monitoring and control

Adopts a corrosion-resistant coating design, with moisture-proof and dust-proof performance, adapting to complex industrial environments

Strong wide-temperature adaptability, can work stably in the temperature range of -20℃ to +55℃, meeting the needs of industrial scenarios in different regions

Has fault diagnosis and alarm recording functions, which can quickly locate faults and shorten maintenance time

Supports automatic generator control, can realize start-up, stop, parallel connection and other operations, improving the automation level of the power generation system