Mains monitoring

Mains monitoring

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Mains monitoring

DOLD’s monitoring relays monitor reliably fault conditions and disturbances in 1- and 3-phase networks up to 3AC690V. Monitoring can be 3-phase undervoltage in 3- or 4-wire installations, phase failure/-sequence/-asymmetry and neutral monitoring. Alarm LEDs and relay outputs are provided with potential free change over contacts.

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