MRA4 directional feeder protection
The MRA4 is a highly precise and reliable protection and control device. The intuitive operating concept with plausibility test enables safe and time-optimized project planning of the extensive protection functions for a wide range of applications such as feeder or outgoing feeder protection, mains protection or generator protection.
The MRA4 is your protection expert for the grid connection point.
With the switchgear management of the MRA4, 1 switchgear can be controlled and monitored efficiently and safely. With the extensive communication options and the hardware designed for all nominal ranges in combination with the protection and control functions, the MRA4 sets new standards in flexibility and operability.
We offer the device in the following configurations: MRA4-2A0AAA, MRA4-2A0ABAand MRA4-2A0ACA:
MRA4-2A0AAA:
- 8 binary inputs, 7 binary outputs
- CT connection 1 A and 5 A (selectable)
- Housing type: flush-mounting
- Without communication interface
- Normal ambient conditions
- Including a full version of the Smart view operating software for downloading
MRA4-2A0ABA:
- 8 binary inputs, 7 binary outputs
- CT connection 1 A and 5 A (selectable)
- Housing type: Built-in
- Modbus RTU, IEC60870-5-103, DNP3.0 RTU | RS485/terminals*
- Normal environmental conditions
- Includes a full version of the Smart view operating software for downloading
MRA4-2A0ACA:
- 8 binary inputs, 7 binary outputs
- CT connection 1 A and 5 A (selectable)
- Housing type: Built-in
- Modbus TCP, DNP3.0 TCP/UDP, IEC 60870-5-104 | Ethernet 100 MB/RJ45*
- Normal environmental conditions
- Including a full version of the operating software Smart view for downloading
The following protection functions are included in the scope of delivery:
ANSI: 50/50N/50BF, 51/51C/51N/51V/51Q, 67/67N, 46, 47, 49, 27, 59/59N, 81U/81O, Inrush (2nd harmonic), 60L/60FL, 74TC, 78, 79, 81R, 32, 37FQRS, 55, QV, 25, 86, 4 parameter sets, inverse locking, recording of events, faults and fault records, control for 1 LS
Available menu languages: English, German, Spanish, Russian, Polish, Portuguese, French, Romanian
For different configurations please contact us via e-mail: info@schutztechnik.com
Delivery time: in stock within 3-4 business days, otherwise 25 business days.
All prices plus packing and shipping.
Further information about the product is available here.
(*) Only one communication protocol can be used in each communication option.