MRDT4 transformer protection

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MRDT4 transformer protection

The comprehensive protection package of the MRDT4 is specially tailored to protect transformers with two windings.

In addition to the differential protection functions, the MRDT4 also has a wide range of communication and backup functions.

Furthermore, the MRDT4 can also be used as cost-optimized generator differential protection, whereby a block transformer can also be included in the protection zone.

The protection functions of the MRDT4 have been enhanced to meet the requirements of VDE-AR-N-4110/4120:2018.

We offer the device in the following configuration: MRDT4-2A0ACA

- 8 binary inputs, 7 binary outputs, without analog inputs and 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 protections are included:

ANSI: 50, 51, 50N, 51N, 46, 49T, 60FL, 86, 50BF, 74TC , 60L, 64RE F, 87G, 87T.

Available menu languages: English, German, Spanish, Russian, Polish, Portuguese, French, Romanian

For different configurations please contact us via e-mail:

Delivery time: in stock within 3-4 business days, otherwise 25 business days.

All prices plus packing and shipping.

Further information about the product can be found here.

(*) Only one communication protocol can be used in each communication option.