1. Protecting, measuring and controlling functions 2. Hot sell 3. LCD/LED display 4. High quality and easy operation.

Description

YD-840 Microcomputer Protective Voltage-regulator Device integrates protecting, measuring and controlling, which is used to automatically regulate, control and protect the reactive voltage of system with voltage 110kV and below. It has functions of tele-control, tele-metering, tele-signaling and tele-adjusting.

Measuring and controlling function

1. Three-stage repressing and blocking timing over-current protection

2. Capacitor  automatically switching

3.  Load gear automatically regulating

4. Over-load alarm and blocking load voltage-regulation

5. Gear-sliding protection of load voltage-regulation contactor

6. 8 events recording.