Technical Blog Archive

Pressure switches are widely used for a variety of applications throughout different industries including manufacturing, HVAC, motorsport, automotive, machine building. What is a Pressure Switch? A pressure switch will be set to a certain pressure limit, once the pressure is detected to be at...

When an emergency off switch is compressed the power to the machine or device is instantly cut causing the machine to power off. Our emergency off switches are built into our safety footswitch which is part of our 6256 range. They can either be at ground level, activated by the foot, or on...

Footswitches can be either momentary or latching. And can use various operating principles. How Does A Footswitch Work – Electric Footswitches An electric footswitch works like any other electric switch. Inside the footswitch there are contact points, the wires of the footswitch are...

Pneumatic air switches are part of our product range here at Herga, all our pneumatic air switches can be seen here or compared on our Pneumatic Line Card. Types of Pneumatic Air Switches Pneumatic air switches are available in different types, these are suitable for different...

Ways to use switches for hygiene The main goal when selecting a switch for hygiene reasons is to eliminate the touchpoints with the hands. There are two different ways to do this: Non-contact infrared switches – using a switch with no contact at all is the best option for reducing the...

When wired normally open, a latching footswitch can be pressed once to close the electrical circuit and cause a device to switch on. When the pressure is removed from the footswitch, the circuit remains closed until the user compresses the footswitch again to open the circuit and switch the device...