GE SR489-P5-LO-A1 Generator Management & Protection Module
The GE SR489-P5-LO-A1 is a high-performance generator management and protection relay designed for industrial control systems. It monitors and controls generator performance, ensuring reliable operation and protection against faults.
Damped Oscillation Test Level:2.5KV, 1.0 MHz
Ground Overcurrent Curve Shapes:ANSI, IEC, IAC, Flexcurve, Definite Time
Mounting Method:Panel or 19″ Rack Mount
Operating Temperature Range:-40 to 60°C
Dielectric Strength:1.9 kV AC for 1 second or 1.6 kV AC for one minute, per UL 508
Shipping Weight:7.7 kg or 17 lbs
Tachometer Duty Cycle:> 10%
Trip Coil Supervision:Trickle Current 2 to 5 mA
Underfrequency Pickup Accuracy:±0.02 Hz
Analog Current Input Type:Passive IRIG-B Input Impedence 50 kΩ ±10%
Loss of Excitation Timing Accuracy:±100ms or ± 0.5% of total time
Low Forward Power Block from Online:0 to 15000 s in steps of 1
Max Continuous Phase Voltage Inputs:280 VAC
Neutral Voltage Input VT Secondary:100 VAC at Full-Scale
RTDs:1 to 12
Pickup Hysteresis:2°C
Undervoltage Pickup Accuracy:As Per Voltage Inputs
Humidity Operating:up to 95% (Non-Condensing)
Phase Differential Pickup Accuracy:As Per Phase Current Inputs
Pulse Output Parameters:+ kwh, +kvarh, –kvarh
Radiated and Conducted Emissions:Class A
The GE SR489-P5-LO-A1 is a robust generator management and protection module, meticulously crafted for industrial environments.
With its advanced capabilities, it ensures seamless operation and safety of your generators by detecting and responding to overcurrent conditions and ground faults swiftly.
The device’s precise frequency pickup accuracy guarantees reliable performance even under demanding conditions.
Its flexible mounting options make it easy to integrate into existing systems, and its rugged construction withstands extreme temperatures and operational stress.
Ideal for industrial settings requiring stringent safety standards, the GE SR489-P5-LO-A1 is a testament to reliability and efficiency.










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