MRU3-2 Voltage Relay (MRU324DM)
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Configuration
The MRU3-2 is a relay for voltage supervision with universal application, it protects the three-phase network against voltage unbalance or earth faults in isolated networks.
Beside the pure rms value measurement of the line voltage the MRU3-2 evaluates the symmetrical components (positive-, negative- and zero sequence system), so that the MRU3-2 can detect the phase sequence, voltage unbalance and earth-faults.
19“ racks – fully withdrawable
Door mounting – withdrawable and sealable
Panel mounting – fully withdrawable
Fault / disturbance recorder
Intuitive HMI
Display (of primary values)
Easy setting software – Smart view
Compact form factor
Interconnection of renewable energies (DER – distributed energy resources) to the public grid.
Over- / Undervoltage, residual voltage protection.
Unbalance Protection.
Protection of High, Medium and Low Voltage feeders against overvoltage (insulation damage) and undervoltage.