The RE17RAMU from Yueqing Huilong is a specialized thermal overload relay designed for three - phase motor protection in industrial applications. This relay features bimetallic elements that respond to both current and temperature, providing comprehensive overload and phase failure protection. The adjustable current setting range (0.1 - 6.3A) allows customization for different motor ratings, while the manual/automatic reset function offers operational flexibility. The RE17RAMU includes a fault indicator (red flag) for quick diagnosis, and its compact design (DIN rail mount, 22.5mm width) saves panel space. With a trip class of 10, it meets IEC 60947 - 4 - 1 standards, ensuring compliance in global markets. Suitable for motors in pumps, fans, and compressors, this relay prevents overheating and extends motor life, reducing maintenance costs in manufacturing plants and processing facilities.