MRA1 Trip circuit resp. control circuit supervision [74TC] (MRA1D)
![MRA1 Trip circuit resp. control circuit supervision [74TC]](https://segelectronics.de/media/e5/78/be/1650376916/MRA1.png "MRA1 Trip circuit resp. control circuit supervision [74TC]")
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Configuration
The MRA1 relay of the HighTECH Line is used to supervise the tripping circuit of protective devices taking into consideration the following protective criteria:
supervision of the auxiliary voltage for the tripping circuit and for the supply of protective devices
supervision of the tripping circuit with regard to cable break
supervision of the mechanical functions of the circuit breaker
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.
Supervision of the trip circuit.