Описание

Function Phase monitor
1- / 3-phase 3
Standard measuring range 3 AC 175 … 525 V / 100 ... 300 V
Measuring range max. 525 V
Output contacts 1 w
Enclosure design Installationsverteiler
Width 52,5 mm
Type RN 9877
According to IEC/EN 60 255-1 For monitoring of AC 3- and single-phase with 50 /60 Hz Detection of-- Overvoltage-- Undervoltage-- Voltage range excess-- Phase failure-- Phase asymmetry-- missing neutral e.g. broken neutral wire-- and phase sequence in 3-phase systems With or without neutral No separate auxiliary necessary Output: 1 changeover contact De-energized on trip Adjustable hysteresis for reset Adjustable switching delay Fast fault detection Width:-- RL 9877: 35 mm-- RN 9877: 52.5 mm''