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CM-IWS.1 INSULATION MONITORING RELAY 1C/O 1-100KOHM product photo
2045892
2CDC112195D0201
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Short DescriptionCM-IWS.1 INSULATION MONITORING RELAY 1C/O 1-100KOHM
Long DescriptionThe CM-IWS.1 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. The insulation resistance between system lines and system earth is measured. If this falls below the adjustable threshold value, the output relay de-energizes. The device can monitor control circuits (single-phase) and main circuits (3-phase). Supply systems with voltages Un = 0-250 V AC (15-400 Hz) or 0-300 V DC can be directly connected to the measuring inputs and their insulation resistance being monitored. For systems with voltages above 250 V AC and 300 V DC the insulation monitoring relay CM-IWN.x with or without the coupling unit CM-IVN can be used.
Brand/Manufacturer NameABB
Manufacturing Part Number2CDC112195D0201
Technical Attributes