Emergency Sales & Service

The pressure switch is an important component in most of our electric models. It is the electric counterpart to the assigned unloader valve. In this blog, we will look at how it works, what it is, and how to adjust? Hubbell pressure switches are used in a number of applications, assembly, and operation of an electric air compressor. Knob/Off level Auto-off/lever which is also known as the knob is used to manually separate the contacts. It is important to turn it to the off position before pluggin in or unplugging the air compressor Terminals The terminals are the points where the incoming and outgoing energy and power leads are connected to the pressure switch. Contacts The contacts are made from a conductive material that consists of 90% silver and 10% nickel; it is used to complete the electrical circuit and allow power to the motor. If it gets separates, the circuit is broken and it will turn off. Diaphragm This is made of a flexible mate