A: Yes. Mounting the HYS3C210CS on a bare aluminum or steel plate acts as a heat sink. Avoid wood or plastic surfaces.
Is your HYS3C210CS power supply running hotter than usual? You are not alone. hys3c210cs power supply hot
A: Thermal shutdown activates at ~105°C internal. Reduce load immediately. If it continues, the internal thermal sensor may be damaged—replace the unit. A: Yes