Описание

Function Undervoltage Relay
1- / 3-phase 1, 3
Measuring range max. AC 400 V
Output contacts 1 w, 2 w
Operate delay +
Enclosure design Installationsverteiler
Width 17,5 mm
Type RK 9871
According to IEC/EN 60255-1 For installations according to DIN VDE 0100-718 and DIN VDE 0108-100(replacement of DIN VDE 0108 ) Detection of undervoltage in 3-phase systems Without separately auxiliary voltage(internal supply from all 3 phases) LED indication for fur operation voltage and contact position De-energised on trip RK 9871.71: 1 changeover contactRK 9871.72: 2 changeover contacts With fixed time delay of 0.5s for fault indication With fixed time delay of 1min for reset With fixed response value at AC 195.5V As option with test-button for function control Width 17,5 mm''