BWD-3K130 Series Dry-type Transformer Thermostat

Date: July 10, 2025 08:27:49

BWD-3K130 SeriesDry-type transformer thermostatThere are various models, each of which corresponds to different functional configurations, as follows:
model number Functional Description
BWD-3K130A Touring detection and display of temperature, over-temperature alarm, automatic tripping of ultra-high temperature, sensor failure alarm, theNo fan controlThe
BWD-3K130B The temperature is displayed on a roving display, theControl of fan start/stop, over-temperature alarm, over-high-temperature automatic trip, sensor failure alarm.Fault signal output (optional)The
BWD-3K130C Based on all the features of the Model 3K130B.Add RS485 communication interface, supports remote monitoring.
BWD-3K130D Based on all the features of the Model 3K130B.Add 3-channel 4-20mA analog current output functionThe temperature signal can be transmitted remotely.
BWD-3K130E With all the functions of BWD-3K130 andAdd RS485 communication functionThe Modbus protocol is supported.
In addition, there are, for example HY-BWD3K130 and other models with more advanced features such as:
  • 4-20mA analog output: For remote temperature signaling;
  • RS485 communication interface: Support Modbus protocol to access the monitoring system;
  • black box function: Record the temperature and status before power failure;
  • password protection: Prevents misuse;
  • anti-interference design: Conforms to JB/T7631 standard.
These models are widely used for temperature monitoring and protection of dry-type transformers, and users can choose the appropriate model according to whether they need communication function or analog output.