BWDK-S201 Dry-type transformer thermostat Model Selection Instructions
| model number | functionality |
| BWDK-S201D | Three-phase circuit display/maximum value display; automatic/manual start/stop of fan; Over-temperature alarm; over-temperature trip; fault alarm; "black box" function; Fan timed excitation function; analog test function; digital compensation function; cabinet door open alarm function. |
| BWDK-S201E | Conventional functions are the same as BWDK-S201D, with the addition of three or four independent 4-20mA analog current outputs. |
| BWDK-S201F | Conventional functions are the same as BWDK-S201D, with the addition of RS485/232 serial communication function. |
| BWDK-S201G | Conventional functions are the same as BWDK-S201D, with the addition of a way to measure and control the ambient temperature of the computer room. |
| BWDK-S201I | Conventional function is the same as BWDK-S201D type, increase all the way transformer core temperature measurement and alarm. |
(For more features contact us for the latest details)
Remarks:
1、E.g. BWDK-S201F, S stands for molded case, F stands for function code (communication function);
2, E, F, G, I for the function code, the function code can be combined, the following examples: thermostat model: BWDK-S201EF, that is: thermostat for the plastic shell instrument, its functions include: general function, 4 ~ 20mA current output function (E) and communication function (F).
3, if there are other special technical or functional requirements, such as Ethernet communication, Profibus communication, multi-channel temperature measurement, fiber optic temperature measurement, etc., can contact us.
BWDK-S201 dry-type transformer temperature controller technical indicators
| Ambient temperature. | -20℃~+55℃ |
| Ambient humidity. | < 95% (25°C) |
| Operating Voltage. | AC 220V (+10%, -15%) |
| Operating Frequency. | 50Hz or 60Hz (±2Hz) |
| Measuring range. | -30.0℃～240.0℃ |
| Measurement Accuracy:: 1 | ±1%FS (thermostat class 0.5, sensor class B) |
| Resolution. | 0.1°C |
| Fan Output Capacity. | 9A/250VAC |
| Control output capacity. | 5A/250VAC; 5A/30VDC (resistive) |
| Thermostat power consumption. | ≤8W |
| Production Standard. | JB/T7631-2016 "electronic temperature controller for transformer" industry standard |
| Certified Standards. | ISO9001:2016 International Quality Management System Certification |
| Adoption of test standards. | IEC 61000-4:1995 International Standard |
| Adoption of technical standards. | GB/T17626-2008 Standard for Electromagnetic Compatibility Test and Measurement Techniques |
