United Electric J21K-12878 Pressure Switch 1/4" NPT 0-90 PSI 250V

The United Electric J21K-12878 Pressure Switch is a sensing element that monitors system pressure and automatically opens or closes an electrical circuit when the preset pressure level is reached. Featuring a 1/4-inch NPT process connection, an adjustable pressure range of 0 to 90 PSI, and a 250V electrical rating, it integrates into HVAC systems and industrial fluid control equipment for pressure monitoring and equipment protection. It connects to the pressure line and control circuit for continuous operation. By providing accurate pressure response, it contributes to dependable equipment control, stable operation, and enhanced system protection.