Manufacturer:General Electric
Model:SR489-P1-LO-A20-E
Control Voltage:20 to 60VDC or 20 to 48 VAC @ 48-62 Hz
Analog Output:4 to 20 milliamperes
Current Input Supply:+24 V DC at 100 mA max
Energy Metering Update Rate:50 ms
Ingress Protection:IEC60529 Standard
IRIG-B DC Shift TTL Output:Available
Phase Differential Curve Shape:Dual Slope
Relay Operation Time:10 ms
Voltage Phase Reversal Timing Accuracy:200 to 400 ms
The GE SR489-P1-LO-A20-E is a high-performance generator management relay engineered by General Electric.
Its primary function is to monitor the health and performance of generators, ensuring that they operate efficiently and reliably.
Equipped with a dual slope phase differential curve shape, this relay accurately measures current differentials, which is crucial for detecting faults and protecting against potential hazards.
The relay’s advanced energy metering system updates every 50 milliseconds, providing real-time data for optimal operational management.
Additionally, the device features an easy-to-read front panel with a 40-character display, allowing users to quickly view critical information and receive real-time alerts for any issues.
With robust ingress protection and a variety of input/output options, the GE SR489-P1-LO-A20-E is an indispensable tool for any industrial setting where generator reliability is paramount.














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