United Electric J54-24 SPDT Pressure Switch 3-30 PSI NEMA 1

The United Electric J54-24 Pressure Switch is used to control pressure in HVAC systems. This switch is designed for indoor use and has a NEMA 1 enclosure, and it switch type is SPDT with an operating pressure range of 3–30 PSI. It switch on or off electrical circuit depending on set pressure limits to get the optimum performance of HVAC equipment such as air compressors, chillers, and pumps. It is widely used in HVAC systems to protect the system from damages due to pressure.