Insulation monitoring relays

Equipment series:

Siemens: SIRIUS 3UG

Isolation monitoring relay with a wide range of supply voltages to control the insulation resistance in the range of 1...110 kOhm in ungrounded 1- and 3-phase AC networks, as well as DC networks. There is an option for use in medical institutions. The most popular models are 3UG45 and 3UG46.

Каталог SIRIUS 3UG


The CM-IW control relays can be used to measure the insulation resistance in an ungrounded power supply with voltages up to 690 V AC and 1000 V DC. Using the new principle of prognostic measurements, the measurement and response time is significantly reduced. Rated supply voltage is 24-240 V AC/DC

Schneider electric: Vigilohm

Vigilohm — a line of insulation control devices by Schneider Electric. It provides simple and reliable insulation control, communication and localization of breakdown for networks with isolated neutral (IT). This updated and simple solution enhances security for personnel, equipment and workflow continuity.

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