Brand New and High Quality: The product is described as brand new and of high quality, suggesting that it is a reliable and well-manufactured electrical component.
Construction: The product features oxidized and insulated wire that is tightly wound on a porcelain tube and fixed on a metal bracket. This indicates a robust and secure construction for effective electrical functionality.
Control Circuit Role: The product is designed to function as a control circuit component by changing its own resistance, suggesting that it can be utilized for adjusting and regulating electrical circuits and systems.
Voltage and Frequency Compatibility: It is specified that the product is suitable for circuits operating at frequencies below 50Hz and voltages up to 380V AC or 440V DC. This indicates the voltage and frequency limitations for its safe and optimal usage.
Applications: The product is versatile, with applications including serving as a current and voltage regulator for research and demonstration in laboratory settings. Additionally, it can be employed for excitation and speed control of power generation equipment and DC motors, highlighting its adaptability in diverse electrical and power control applications.