Electrical Switches, Automotive Switches and Power Switches
Understanding the Basics of Mechanical Switches
Mechanical switches can be classified into different types based on several factors, but first you have to understand the circuitry inside. These are the most common configurations:
What are the differences between SPST and DPDT switches?
The main difference between the two is that single pole (SP) switches control only one electrical circuit. Double pole (DP) switches control two, acting like two identical switches that are mechanically linked, and triple pole can control three, etc.
Similarly, single throw (ST) switches close a circuit at only one position, whereas double throw (DT) switches can close a circuit in the up OR down position. A DT switch can also have a center position (usually configured as On-Off-On).
What is the difference between a momentary and maintained switch?
A momentary switch is one that's only active when engaged by the user. Maintained switches, however, stay in the position you set them in until somebody comes along to flip them back.
You should also look closely at the text on the switch. Momentary switches will have their settings noted in parentheses, such as "(ON)", while a maintained one would be simply marked "ON." You might also see this noted as "mom on" or "momentary on".
Common Types of Electrical Switches
Here are some of the most common types of switches and their applications:
To read up on the circuitry and types of switches in more depth, check out our blog post about the basics of automotive switches so you can make the best decision for you and your vehicle.
Products to Help Your Electrical Switch Project
To help connect your automotive switches to your electrical circuit, try wire connectors and terminals. To send power for a certain period of time or activate a particular input in a low energy circuit, go for solid state relays. No matter what product, you'll find everything you need to complete your electrical project at Waytek Wire.