Veeder-Root 748321-107 Ultra Precision Switch

The Veeder-Root 748321-107 Ultra Precision Switch is a solid-state sensor with an NPN-transistor output designed for precise position and presence detection in industrial automation and machine control systems. As a Veeder-Root product, the 748321-107 delivers high-accuracy sensing performance with repeatable switching to PLCs and other control inputs, enabling reliable automation feedback in fast-moving production environments. The unit is described as an Ultra Precision Switch and is intended for continuous operation in applications such as packaging machinery, conveyor systems, material handling equipment, automated production lines, and process control machinery, where accurate detection of machine components, products, or moving assemblies is critical. Its solid-state design supports reliable switching and compatibility with standard PLC and control-system inputs for straightforward integration. In practice, technicians and integrators use it for replacements, retrofits, and maintaining precise machine control across industrial processes. Common replacements include Veeder-Root 748321-105, 748321-106, and 651224-030.