PS - Pressure Switch Range from 13 Pa to 250 Pa up to 3000 Pa. Open Construction IP00 for OEM use or fully enclosed IP65. Large diaphragm Pressure Switch suitable for very low pressures.Switch makes at more than 13 Pa and breaks below 8 Pa approx. when installed in verical position with the nipples in down facing position. Switch is suitable for 5 to 277 VAC 300VA Pilot Duty Non Inductive Load up to 10A such as heating elements. Metal construction. Diaphragm made of neoprene Tube connection 6mm barbed.