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GENERATOR MANAGEMENT RELAY
BASE UNIT 489
PHASE CURRENT INPUTS - 5 AMP
90-300 V DC
70-265 V AC
48/62 HZ
4-20 MA ANALOG OUTPUTS
ENHANCED DISPLAY
The 489-P5-HI-A20-E is a comprehensive generator protection relay, providing complete, secure protection for small to medium sized generator assets across diverse industrial applications. It continuously monitors generator electrical parameters, thermal conditions, and mechanical health to prevent costly damage from faults, overloads, and abnormal operating conditions.
5A CT Compatibility
High Voltage Powering
Enhanced Terminal Designd
Seamless integration with monitoring systems is standard with the 489-P5-HI-A20-E, however using its advanced communication capabilities will allow seamless data exchange with SCADA and energy management platforms for comprehensive system visibility.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
GE 489-P5-HI-A20-E GENERATOR MANAGEMENT RELAY Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas
Used in refinery and offshore power plants to protect turbine-driven generators. It provides comprehensive monitoring of electrical parameters and thermal conditions for generator assets.
Mining Operations
Deployed in remote mine sites to manage synchronous and induction generators in harsh environments. The robust design ensures functional integrity for heavy-duty processing and extraction facilities.
Chemical Processing
Integrated into captive power plants to monitor generator health and mechanical parameters. It allows seamless data exchange with SCADA systems for comprehensive system visibility.
Utility Power
Applied in municipal sub-stations for the protection of small to medium sized generator units. It supports IRIG-B time synchronized event records and waveform capturing for detailed troubleshooting.
Manufacturing Plants
Utilized in large-scale facilities employing co-generation systems for energy efficiency. The 4-20 mA analog outputs enable direct transmission of measured values to plant-wide PLC platforms.
Water & Wastewater
Implemented in major pumping stations that rely on standby or continuous duty generator sets. It prevents costly damage from overloads and abnormal operating conditions in critical infrastructure.
The 489-P5-HI-A20-E provides essential protection functions critical to generator safety, and is a vital component of the generator protection scheme, directly affecting the proper, normal operation of the overall power generation system. One 489-P5-HI-A20-E relay is required per generator depending on the protection requirements and application complexity. The 489-P5-HI-A20-E features a large, user-friendly front panel interface with a display that is easily readable in direct sunlight, enabling convenient local monitoring and setpoint access.
For enhanced reliability applications, the 489-P5-HI-A20-E system supports comprehensive diagnostic capabilities including IRIG-B time synchronized event records, waveform capturing, and data loggers for detailed troubleshooting analysis. In addition to standard protection functions, the advanced configuration also performs automatic event logging. The 489-P5-HI-A20-E protection system executes monitoring using the internal RTD inputs specified for stator and bearing thermal protection.
What are the current input specifications for the 489-P5-HI-A20-E model?
The "P5" designation indicates that the 489-P5-HI-A20-E has 5 A Phase and 5 A Ground current inputs, with a continuous current rating of 3 x CT primary.
What does the "A20" code signify in the 489-P5-HI-A20-E model string?
The "A20" option provides 4-20 mA analog outputs, allowing the 489-P5-HI-A20-E to transmit measured values to a PLC or DCS system.
What is the significance of the "E" suffix in the 489-P5-HI-A20-E part number?
The "E" suffix indicates the 489-P5-HI-A20-E is an "Enhanced" version, featuring an improved rear panel design for better terminal accessibility and connectivity.
What types of generator protection are provided by the 489-P5-HI-A20-E?
The 489-P5-HI-A20-E provides comprehensive protection including generator differential, stator ground, thermal overload, and reverse power functions.
How many output relays are available on the 489-P5-HI-A20-E for control tasks?
The 489-P5-HI-A20-E includes six output relays: Trip, Auxiliary, Alarm, Service, and two additional programmable auxiliary relays.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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