AAB RET521 Transformer Protection Terminal Servo Valve designed as a component of

designed as a component of the Bailey Infi 90 Systems

Terminations: Available with local or remote terminations

ensuring that the output signals are accurate

Its working principle is to convert the input AC power into the output DC power to meet the power demand of the equipment

AAB RET521 Transformer Protection Terminal Servo Valve designed as a component ofDescription 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