This is a pressure switch with model number CAS143. It has a wide range of features suitable for various applications. The adjustment range of the pressure switch is from 1 bar (14.5 psig) to 10 bar (145 psig), which allows for flexible settings according to different working requirements. The hysteresis ranges from 0.2 bar (2.9 psi) to 0.6 bar (8.7 psi), ensuring stable operation. In terms of pressure - related specifications, the maximum test pressure is 180 bar (2611 psig), and the highest working pressure is 120 bar (1740 psig). The pressure connection size is 1/4, with the connection type being G and the connection standard following ISO 228 - 1. The pressure sensing element is a diaphragm, and the pressure connection has internal threads. For the enclosure protection, the IP rating is IP67, which provides excellent protection against dust and water immersion. The switch can withstand a burst pressure of 240 bar. Regarding the ambient temperature, it can operate in a range from - 25 °C (-13 °F) to 70 °C (158 °F). The electrical connection of the switch is a cable threaded connection with a size of Pg 13.5 and internal threads. The electrical connection standard is DIN 40430, and it has a metal cable gland. The switch's electrical specifications include a contact function of SPDT, with contact ratings of AC15 = 0.1 A, 220 V and DC13 = 12 W, 125 V. This pressure switch is highly reliable and compliant with multiple approvals such as ABS, BV, CCC, CE, DNV, EAC, GL, etc. It offers a practical and durable solution for pressure - control applications in different industries.