United Electric H54-27 SPDT Adjustable Pressure Switch NEMA1 30/300 PSI

The United Electric H54-27 SPDT Pressure Switch used to measure and regulate pressure in HVAC systems. It has setpoint range of operation of 30 to 300 PSI and provide accurate pressure control to ensure proper functioning of the system. It is available in a NEMA 1 cabinet, which is suitable for indoor use where protection from dust is needed. This switch used in HVAC equipment like compressors, pumps, and chillers, among others; it turns on or off circuit depending on pressure to avoid system overload or failure.