Isolation Voltage:36 Vpk (isolated with RTDs and analog inputs)
Sensor Supply Voltage:24 V DC at 20 mA max
Time Delay:0.1 to 100.0 s in steps of 0.1
Negative Sequence Overcurrent Pickup Level:3 to 100% FLA in steps of 1
Phase Distance Characteristics:Offset mho RTD inputs sensing current 5 mA
Sequential Trip Configurable:Assignable to digital inputs 1 to 7
Thermal Model Curve:Biasing Phase Unbalance, Hot/Cold Curve Ratio, Stator
The GE SR489-CASE P5-HI-A20 is a highly sophisticated generator management relay that seamlessly integrates advanced protection and control functionalities. Its robust design is characterized by a fully drawout case, ensuring automatic CT shorts for reliable operation.
Featuring an impressive 36 Vpk isolation voltage, this relay guarantees safe operation even under harsh conditions. It supports up to four RTD inputs, enabling precise sensing and control over critical parameters.
With a shipping weight of 7.7 kg or 17 lbs, it’s designed for easy installation and integration into existing systems. The relay’s compact yet powerful structure allows for sequential trip configurations, configurable to digital inputs 1 to 7, enhancing system flexibility and response capabilities.
Equipped with a digital input capacity, it supports complex control scenarios, ensuring that the generator operates efficiently and safely. The product’s compatibility with various temperature ranges (-40 to 60°C) makes it suitable for a wide range of industrial applications, including extreme environments.
Designed with user-friendliness in mind, the GE SR489-CASE P5-HI-A20 provides a seamless integration experience, backed by rigorous production tests. It ensures dielectric strength, critical for long-term reliability, meeting the stringent standards of UL 508.
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