Communication Ports:Modbus® RTU / half duplex, DNP 3.0
Current Rating:Fuse 2.5 A
Demand Metering Update Rate:1 Minute
Digital Inputs:9 Opto-Isolated Inputs
Ground Directional Elements:Alarm and Trip
Negative Sequence Overcurrent Pickup Level:3 to 100% FLA in steps of 1
Phase Voltage Inputs:Burden > 500 KΩ
Analog 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/Neutral:Current Inputs Conversion Range 0.02 to 20 × CT
Phase Differential Curve Shape:Dual Slope
Relays Operation Time:10 ms
Voltage Phase Reversal Timing Accuracy:200 to 400 ms
The GE 489-P1-LO-A20-E is a versatile generator management relay from the Multilin series, designed specifically for industrial environments. With its robust design and advanced features, it ensures optimal performance and reliability in managing and protecting generators. Key features include Modbus® RTU / half duplex, DNP 3.0 communication protocols, and a fuse rating of 2.5 A, making it suitable for demanding applications. The 9 opto-isolated digital inputs provide reliable data acquisition, while the dual slope phase differential curve shape ensures accurate monitoring and control. The relay supports efficient energy metering with an update rate of 50 ms and maintains high ingress protection standards (IEC60529). Designed with user-friendliness in mind, the 489-P1-LO-A20-E comes with a large LCD display and a numeric keypad for easy access to value messages, diagnostics, and setpoints. This makes it a top choice for those looking to enhance the efficiency and safety of their generator systems.
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