Device for insulation monitoring

The invention relates to a device for insulation monitoring between a low-voltage network and a high-voltage network, wherein the device can be connected both to a high-voltage positive connection and to a high-voltage negative connection as well as to the low-voltage network, wherein the device comprises a plurality of electrical contacts for coupling monitoring connections to the high-voltage circuit by means of respectively one high-voltage positive connection and by means of respectively one high-voltage negative connection, which can be connected in different sections of the high-voltage network.