BWD-3KRL (NT113) is a comby unit to control the temperature of MV dry type and cast resin transformers and the power of the fan cooling system.
Characteristics of this unit:
1. Double screen display
2. 2 alarm and 2 trip signal output
3. Door switch alarm
4. RS485 communication
5. 4-20ma output
3 Pt100 inputs allow the reading of the temperature of the 3 windings and possibly of the core or the ambient. The unit is equipped with dry contacts to signal FAULT, ALARM and TRIP. For the control of the fans there is 1 active output that provides power directly to the fans.