Siemens 3UG4583-1CW31 3UG45831CW31 Monitoring relay No. of relay outputs: 2

Insulation monitoring relay for unearthed (IT) networks up to 400 V AC, 15-400 Hz and up to 600 V DC measuring range 1-100 / 2-200 kOhm power supply AC/DC 24-240V Width 45 mm 1 + 1 or 2 CO contact screw connection Analog adjustable insulation monitoring relay SIRIUS 3UG4 for the monitoring of non-earthed (IT) networks for insulation faults, e.g. in plants with high demands on availability (chemical industry, automotive construction, printers), in the ship and railway sector or in emergency power supplies.
Worldwide use thanks to wide-voltage supply and international certificates. New predictive measuring principle enables fast response times. The relay enables a permanent self-monitoring and manual test possibility. Reliable system diagnostics thanks to clear error messages and selectable fault memory.
In addition to devices for insulation monitoring of ungrounded AC voltage networks, devices are also available for monitoring unearthed DC and AC networks with screw and spring connection.
An optional ballast module to extend the measurement range is available.
SIRIUS relay - a program for all cases.

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