Communication Ports:None, Odd, Even
Harsh Environment Coating:Not Available on this Model
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
Frequency Range:25, 50, or 60 Hz
Display:40-character display for value messages, diagnostics, and setpoints
The GE SR489-P5-LO-A20-E is an advanced relay specifically engineered for the management and protection of generators. This device is equipped with a robust design that ensures reliable performance under various conditions. With five ampere CT secondaries, it can accurately measure and monitor phase currents. Additionally, the unit supports operation at 25, 50, or 60 Hz, making it versatile for different applications. The 40-character display provides clear and concise information on value messages, diagnostics, and setpoints. The front panel includes a numeric keypad and status indicators for easy operation. Designed with a fully drawout case (automatic CT shorts), it enhances safety and convenience during maintenance. The relay also features configurable tachometer inputs that can be assigned to digital inputs 4 to 7, offering flexibility in configuration. Overall, the GE SR489-P5-LO-A20-E is an indispensable tool for professionals seeking high-quality generator management and protection solutions.
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