Rotary Paddle Level Switches: A Simple Solution for Reliable Level Detection
In many industries, knowing how much material is inside a silo, bin, or hopper is not just helpful—it’s essential. Whether it’s grain in a storage facility, cement in a batching plant, or plastic pellets in a processing unit, accurate level detection keeps operations running smoothly. One dependable device used for this purpose is the rotary paddle level switch. Though simple in design, it plays a vital role in preventing overflows, reducing waste, and maintaining efficiency.
A rotary paddle level switch is a mechanical device designed to detect the presence or absence of bulk solid materials. It consists of a small motor that continuously rotates a paddle inside a storage container. When the material level rises and covers the paddle, the resistance stops the rotation. This change triggers an internal switch, sending a signal to alert operators or activate control…


