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GE 489-P5-LO-A20 Generator Management Relay, Series 489

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The GE 489-P5-LO-A20 is a high-performance generator management relay designed by GE Multilin for precise protection and monitoring of electrical systems. It offers advanced overcurrent protection, directional timing accuracy, and negative sequence overcurrent detection to ensure reliable operation and safety.

SKU: 2981637
Phone: +86 19066591275
Email: abbdcs36@gmail.com
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Digital Inputs:489 Sensor Supply 24 VDC at 20 mA Max

Field Breaker Discrepancy Elements Trip:Ground Directional Timing Accuracy ±100 ms

Negative Sequence Overcurrent Time Delay:0.1 to 100.0 s in steps of 0.1

Neutral Voltage Input Conversion Range:0.005 to 1.00 × Full Scale

Overcurrent Alarm Timing Accuracy:±0.5% of total time

Phase Differential Pickup Level:1.01 to 1.50 × rated V in steps of 0.01

High-Set Phase Overcurrent Elements Trip:IRIG-B Amplitude Modulated 2.5 to 6.0 Vpk-pk at 3:1 signal ratio

Low Forward Power Time Delay:0.2 to 120.0 s in steps of 0.1

Phase Overcurrent Voltage Restraint:Programmable Fixed Characteristic

Pollution Degree:II

Pulse Output Pulse Width:200 to 1000 ms in steps of 1

Tachometer Configurable Assignable:to Digital Inputs 4 to 7

Weight:Approximately 10 lbs.

    The GE 489-P5-LO-A20 is an essential component for generator management systems, providing accurate and reliable protection against various electrical faults.

     With its high-precision digital inputs and robust design, it ensures optimal performance even in harsh environments.

     The relay’s ability to handle negative sequence overcurrent and neutral voltage input conversion makes it ideal for safeguarding generators and protecting critical equipment.

     Its configurable tachometer feature allows for precise speed monitoring, further enhancing system reliability.

     Designed with pollution degree II certification, this relay meets stringent industry standards, ensuring long-term durability and performance.

     The 489-P5-LO-A20 is not only a testament to GE’s commitment to innovation but also a reliable choice for industrial applications requiring advanced protection and control solutions.

GE 489-P5-LO-A20

GE 489-P5-LO-A20

GE 489-P5-LO-A20




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