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Our monitoring relays reliably protect against consequential damage caused by mains, voltage or temperature faults. Additionally, SIRIUS 3UG monitoring relays offer freely parameterizable threshold values and functions, deliver a clear diagnosis and can even correct a false phase sequence on their own. The advantages: Production errors can be avoided in a targeted manner. Availability and productivity are increased in a sustained manner.
• Wide Voltage Monitoring Range : 160-690V with no Auxiliary supply
• Easily removable terminals
• Very compact design : 22.5mm wide
• Versions available with digital display and settings