MRN3-3 Mains Decoupling Relay
The MRN3-3 is a mains decoupling relay with df/dt and programmable undervoltage characteristics.
Its function is to supervise mains voltage and mains frequency. It provides voltage time characteristics.
Benefits and Key Features
19“ racks – fully withdrawable
Door mounting – withdrawable and sealable
Panel mounting – fully withdrawable
Fault / disturbance recorder
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 protection.
Frequency based protection option, examples:
Load shedding by ROCOF
|Inputs and Outputs|
|Voltage transformer inputs||3|
|Vector surge / mains decoupling||78V||•|
|Fault recorder (none volatile)||•|
|Housing is withdrawable||•|
|Housing suitable for door mounting||•|
|Housing suitable for mounting plate||•|