
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 |




