TECH-CONTROLLERS WG.19.0024 Controller for solar installations ST-401n PWM TECH Controllers

The ST-401 PWM Solar Controller by TECH Sterowniki (Product Code: WG.19.0024) is an advanced thermostat designed specifically for managing solar collector installations. This device efficiently controls the main pump based on temperature readings from both the collector and the storage tank, ensuring optimal performance of your solar heating system. The controller also allows for the optional connection of additional devices such as mixing pumps or electric heaters, and can send a signal to the central heating boiler for ignition, enhancing its versatility in various heating applications.

Key features of the ST-401 include a temperature regulation range from +8 to +90 °C and a measurement accuracy of 1°C. The controller operates on a power supply of 230 V, 50 Hz and is equipped with high-quality sensors, including a PT1000 collector sensor that withstands temperatures from -24 to 90 °C (with short-term tolerance up to 200 °C). Additionally, it provides essential functionalities such as pump operation control, system monitoring, and protection against overheating and freezing of the collector, making it a reliable choice for solar energy management.

The ST-401 PWM Solar Controller is designed with user convenience in mind, featuring a large, clear display for easy monitoring and control. Its robust housing is crafted from high-quality materials that can endure extreme temperatures, ensuring durability and long-lasting performance. This makes the ST-401 not only a functional device but also a dependable component in your solar heating system.