AAB RET521 Transformer Protection Terminal FAU Series Low Power Consumption: Energy-efficient operation

Low Power Consumption: Energy-efficient operation

and system messages

offering flexibility in usage

pls pay attention as below:

INPUT 24VDC DUAL 24V TO SINGLE 24V

AAB RET521 Transformer Protection Terminal FAU Series Low Power Consumption: Energy-efficient operationDescription The AAB RET521 is a transformer protection terminal designed for fast, selective, and reliable protection of power transformers in utility and industrial networks. Specifications Application: Transformer differential and backup protection Rated Voltage: Supports common medium and highvoltage transformer applications Current Inputs: Multiple CT channels for differential and overcurrent functions Voltage Inputs: VT channels for voltagebased