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Dry type transformer temperature controller |
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Product Detail |
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| The dry type transformer temperature controller BWD-3KR is a new generation multifunctional temperature controller designed for reliable operation of air-cooled dry type power transformers. Using three Pt100 platinum thermistors embedded in the three-phase winding package of the dry type power transformer to detect the temperature rise of the dry type power transformer package, and automatically controlling the start and stop of the cooling fan, overheating alarm, and ultra-high temperature trip based on the temperature rise to ensure the safe operation of the dry type power transformer. Designed according to the JB/T7631-2016 standard, the temperature controller has the characteristics of simple structure, reliable operation, and strong anti-interference ability. At the same time, the temperature controller also has a "black box" function, which can record the temperature of the three windings before the power failure of the temperature controller. Equipped with RS485 communication function, it can remotely transmit three-phase temperature and operating status |
Features |
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| Three-phase temperature measurement, three-phase circuit display/maximum value display, | Display, output, and mutual switching of two states for manual/automatic control of fans |
| Input open circuit and fault self check display and output | Cooling fan automatic start stop output |
| Overtemperature alarm display and output | Overtemperature trip display and output |
| Digital compensation for display values of each channel | “black box” function |
| Fan timed start stop control function | Fan manual start and timed close function |
| Output status detection | Door cabinet alarm function |
| RS-485 |
Technical Parameters |
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| Ambient temperature -25℃~+55℃ | Resolution ? ?0.1C。 |
| Relative humidity <95%RH | Protection level ? ?IP40 |
| Supply voltage 100-240V AC/DC | Accuracy level ? 1 level |
| Power frequency 50Hz / 60Hz (土2Hz) | Output capacity ? 6A/250VAC， 6A/ 30VDC |
| Sensor type Pt100 | Output capacity of the fan 6A/250VAC(cosφ=0. 4) |
| Measuring range -30. 0°C~240. 0°C | Dimensions ? ? 80mm X 160mmX 100mm |
| Power consumption ≤8W | Cutting size ? ?76 mmX152mm |
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