DOLD 0068251: RN9877.11/800 AC150-450V US290V Overvoltage relay

The overvoltage relay RN 9877/800 of the VARIMETER PRO series monitor overvoltage in a AC network. The measurement is very simple and without extensive wiring as there is no auxiliary power supply necessary. The early detection of up-coming break downs and preventive maintenance avoid expensive damages. As user you profit from the reliability and availability of your plant.

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    Attribute Value
    Width: 52,5 mm
    Enclosure design: Distribution board
    Type: RN 9877/800
    1- / 3-phase: 1
    Auxiliary voltage: Without
    Output Contacts: 1 C/O contact
    Measuring range max.: 450 V
    Standard measuring range: AC 150 – 450 V