HANNOVER MESSE 2019, 01 - 05 April

IR420-D6

Logo IR420-D6

Product description

The offline monitor of the IR420-D6 series is designed to monitor the insulation resistance of loads in the de-energized state. These loads, usually temporarily operated or de-energized most of the time, e.g. fire extinguisher pumps, slide valve drives etc are supplied from TN, TT or IT systems.

During the shut-down periods, hohwever, humidity or other effects may cause insulation faults in the wiring or the loads which may go undetected. Switching the device on may then lead to the tripping of the protective device or may even result in motor fires and the device cannot be operated. In combination with a coupling device, the Iso­meters can also be used for higher voltages.

Product website

Hall 12, Stand E67

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