Products | TecSystem
NT133-3
TEMPERATURE CONTROL OF POWER AND SEALED OIL TRANSFORMERS
NT133-3
Code: 1CN0008
N. & type inputs: 2 series Pt100 + 3 CT
Outputs: 5 relays + RS485
Plus: temperature control of Oil power transformers
The NT133-3 is a complete and simple unit, for a sophisticated temperature control of HV and MV Oil power transformers.
With a single device you can control the oil temperature, you can drive the cooling system and you can calculate the thermal image of the 3 windings with an exclusive algorithm.
The unit is equipped with 1 double Pt100 input for a redundant control and 3 universal inputs for current transformers (CT).
Output relays are available for: ALARM, TRIP, FAN cooling system driving, oil circulation PUMP control and FAULT indication.
The unit is also equipped with Modbus RS485 output for remote control functions.
All our units can also be supplied with a special coating on the electronic cards, resistant to difficult weather conditions, particularly characterized by high temperature and humidity (which are in tropical climates).
UNIVERSAL POWER SUPPLY: with input from 24 to 240 Vac-dc.
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