Herion 0880300 Pressure Switch

The Herion 0880300 Pressure Switch is a pressure‑sensing device from Herion that activates or deactivates electrical circuits when the monitored pressure reaches a predetermined point. Identified by the 0880300 model number, this switch provides a straightforward means to monitor pressure conditions and drive control or safety circuits in industrial systems, including interlocks, valve actuation, and alarm signaling. As a common component in fluid and gas lines, it translates a pressure input into an on/off electrical signal to enable automatic responses to changing pressure and help protect equipment from abnormal operating conditions. Installations should follow the manufacturer’s wiring diagrams and mounting recommendations to ensure proper electrical load compatibility and accurate pressure sampling.