Ashcroft LPAN4HB2S Pressure Switch

Ashcroft LPAN4HB2S is a single-setpoint pressure switch in the LP Series, designed for reliable pressure control, safety shutdown, and alarm functions in demanding industrial environments. It spans a 60 psi to 500 psi range and is rated for 125/250 VAC operation at 10 A, making it suitable for switching pumps, compressors, and other process equipment. The unit is housed in a NEMA 4 (4X) enclosure with IP66 protection, enabling use in washdown and harsh environments, and it offers field-installable wiring of microswitch elements. Pressure connections commonly available include 1/4 NPT female and 1/2 NPT male configurations, with a single setpoint and adjustable deadband per the LPAN4 designation. Ashcroft states UL, CSA, CE, CRN and 3A approvals and RoHS compliance, and the LP line is widely applied in refineries, chemical plants, pulp and paper mills, water treatment, and other industrial systems.