Ask a Technical Question
Ask a QuestionNeed help confirming compatibility?
ABB CM-IWS.1P Insulation and earth fault monitoring relay
The CM-IWS. 1P serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems with a voltage up to 250 V AC and 300 V DC.
Need help confirming compatibility?