Monitoring Relays 1-Phase True RMS AC/DC Over or Under Voltage Type DUB71

Update: 30 September, 2023

The DUB71 is a precise TRMS AC/DC over or under voltage (selectable by DIP-switch) monitoring relay. Owing to the built-in latch function, the ON-position of the relay output can be maintained. Inhibit function can be used to avoid relay operation when not desired (maintenance, transitions). The LED's indicate relay output status, alarm and power supply ON.

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Publication date: 11 April, 2012

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