Description

The 489-P5-HI-A20-T-H is a specific model of generator protection relay manufactured by GE Multilin. It is designed to protect generators from various electrical faults and abnormalities, including overcurrent, overvoltage, underfrequency, and reverse power. The "P5" in the model number refers to the relay's P5 platform, which is a modular design that allows for easy customization and expansion. The "HI" indicates that the relay is designed for high impedance grounded systems. The "A20" indicates that the relay has 20 configurable inputs, while the "T" indicates that it has a thermal overload protection feature. The "H" in the model number refers to the relay's conformal coating, which is a protective coating that helps to prevent damage from environmental factors such as moisture, dust, and chemicals. Overall, the 489-P5-HI-A20-T-H Generator Protection Relay with Conformal Coating is a highly specialized and customizable device that provides reliable protection for generators in a variety of settings.