SR489-P5-HI-A20-E generator management relay

SR489-P5-HI-A20-E Product parameters

Current transformer (CT) assistance:
Type: 5 A-phase CT secondary coils
Control power supply:
Direct current (DC) : 90-300 VDC
AC: 70-265 VAC (48-62 Hz)
Analog output:
Range: 4 to 20 mA
Display screen:
Type: Enhanced Display (E) using a larger LCD
Fuse:
Current rating: 2.5A
Type: 5x20mm HRC SLO-BLO Littelfuse
Model: 215-02.5

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Description

Overview

Essential details：SR489-P5-HI-A20-E generator management relay

Product Description

SR489-P5-HI-A20-E Product description is as follows:

I. Product overview

The SR489-P5-HI-A20-E is a generator management relay manufactured by GE Multilin for the 489 series. The relay is designed to monitor the operating status of the generator and protect the generator from overcurrent, overvoltage, loss of power and other failures.

2. Technical specifications

Current transformer (CT) auxiliary: 5 phase A CT secondary coils.
Control power supply:
Direct current (DC) : 90-300 VDC
AC: 70-265 VAC (48-62 Hz)
Analog output: 4 to 20 mA.
Display: Enhanced display, LCD larger than the basic display.
Fuse:
Current rating: 2.5A
Type: 5x20mm HRC SLO-BLO Littelfuse
Model: 215-02.5
3. Application fields

Electric power plant: used to monitor the operating status of the generator and protect the generator.
Industrial power generation: Ensuring the stability and reliability of the power supply to factories or industrial equipment.
Marine and offshore engineering: Monitoring generator systems on ships or offshore platforms to ensure the safety and reliability of power systems.
4. Characteristics and standards

The insulation resistance, dielectric voltage resistance, impact voltage resistance and other parameters meet the EN60255-5 standard.
Damping oscillation, electrostatic discharge, RF immunity and other parameters comply with IEC61000-4 series and IEEE/ANSI C37.90 series standards.
Safety meets UL508, UL C22.2-14 and UL1053 standards.
5. Accessories and functions

Accessories include EnerVista 489 setup software, SR 19-1 panel, SR 19-2 panel, SCI module, Phase CT, and more.
Functions include user programmable analog input, RPM speed, RTD, power factor, frequency, MW, Mvar and many other metering functions.
It also includes maintenance and test functions such as firmware upgrade, simulation, VT fuse failure, trip coil monitoring, circuit breaker failure, etc.
Vi. Summary

The SR489-P5-HI-A20-E is a fully functional and technologically advanced generator management relay whose high reliability and stability ensure effective applications in a variety of industrial environments. The enhanced display and multiple interface options make the relay widely used in power, industrial, Marine and offshore engineering fields.

SR489-P5-LO-A20-E

Product parameter

SR489-P5-HI-A20-E Product parameters

Current transformer (CT) assistance:
Type: 5 A-phase CT secondary coils
Control power supply:
Direct current (DC) : 90-300 VDC
AC: 70-265 VAC (48-62 Hz)
Analog output:
Range: 4 to 20 mA
Display screen:
Type: Enhanced Display (E) using a larger LCD
Fuse:
Current rating: 2.5A
Type: 5x20mm HRC SLO-BLO Littelfuse
Model: 215-02.5
Input and output voltage:
Input voltage: The input voltage can be 24VDC or 48VDC depending on the application requirements
Output voltage: 24VDC
Working environment:
Operating temperature range: -40℃~+70℃
System capability:
System environment: normal temperature
System function: Automatic
Operating system: PLC system
Size and color:
Specifications: 264*457
Color: Black
Other features:
Relay contacts are not safe when energized, and for output relay contacts in applications that require low voltage accessibility, the customer needs to ensure an appropriate level of insulation.

APPLICATION

SR489-P5-HI-A20-E has a wide range of applications, and the following is a detailed summary of its application areas:

Electric power plants:
Monitor the operating status of the generator to ensure the stable operation of the generator.
Protect generators from overcurrent, overvoltage, loss of power and other failures to improve generator safety and reliability.
Industrial power generation:
In the industrial sector, the relay may be used in generator sets to ensure the stability and reliability of the power supply to factories or industrial equipment.
In industrial environments, the high reliability and stability of the SR489-P5-HI-A20-E ensures the continuity and stability of the power supply, thus ensuring the smooth progress of industrial production.
Marine and Marine Engineering:
In Marine and offshore engineering, generator management relays are used to monitor generator systems on ships or offshore platforms.
Ensure the safety and reliability of the power system of ships and offshore platforms to ensure the safe and smooth conduct of offshore operations.
Other potential applications:
According to reference 2, SR489-P5-HI-A20-E may also be used in process control, safety-critical oxidation (e.g., ethylene oxide and propylene oxide), flare stack analysis, product purity, raw material purification, and inerting or covering scenarios.
These application scenarios show that the SR489-P5-HI-A20-E has a wide range of applicability and a high degree of flexibility, which can be customized and applied according to the needs of different industries.
In summary, the SR489-P5-HI-A20-E has a wide range of applications in power, industry, Marine and offshore engineering. Its high reliability, stability and flexibility make it a key component in various power systems and equipment.

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