AAB RET521 Transformer Protection Terminal Servo Valve The Field Control Processor 280

The Field Control Processor 280 dependably performs regulatory

Withstanding Voltage: 1500 V AC for 1 minute (100 to 240 V AC)

Generous Warranty: Most of our products come with up to a 1-year warranty

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

ensuring that the output signals are accurate

AAB RET521 Transformer Protection Terminal Servo Valve The Field Control Processor 280Description 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