BWDK-326 Dry-type transformer thermostat Model Selection Instructions
| model number | functionality |
| BWDK-326D | 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-326E | 常规功能同BWDK-S3206D型，增加三路或四路独立的4～20mA模拟电流输出。 |
| BWDK-326F | 常规功能同BWDK-S3206D型，增加RS485/232串行通讯功能。 |
| BWDK-326G | 常规功能同BWDK-S3206D型，增加一路机房环境温度测量与控制。 |
(For more features contact us for the latest details)
Remarks:
1、如：BWDK-326EF，E代表4～20mA模拟电流输出功能，F代表（通讯功能）；
2、若有其他特殊技术或功能要求，如以太网通讯、Profibus通讯、多通道温度测量、光纤测温等，均可与我们联系。
BWDK-326 干式变压器温控器技术指标
| 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 |
