4B is the worldwide leading manufacturer of high-quality, technologically-advanced material handling and electronic components. Find products and solutions specific to your country or territory.

4B's complete range of material handling and electronic components for bucket elevators and conveyors.

4B Components, a worldwide manufacturer of high quality, technologically advanced, material handling and electronic components for bucket elevators and conveyors.

4B manufactures plastic, steel and stainless steel elevator buckets and cups for agricultural and industrial applications. With over 400 different sizes and styles, 4B can supply the right product for …

4B bucket elevator and conveyor hazard monitoring systems for bearing temperature, belt misalignment, plug/choke detection, belt speed and level indication.

Belt and pulley alignment sensors and switches for bucket elevators and conveyors. Broken conveyor chain detection, or screw conveyor speed monitoring.

4B's non-contact proximity sensors can be used as a limit switch to detect shaft position, gate position, object presence or speed monitoring.

4B family of speed switches - proximity, inductive, zero speed, stop motion and rotech rotary encoders to monitor shaft speed/motion on rotating machinery.

Need a product for a specific application? Search here to see all of the 4B products available for your equipment requirements.

The Whirligig is a fully guarded target for mounting shaft sensors (speed switches), and the Mag-Con adaptor magnetically attaches the unit to the shaft.