How many types of interlocks are there?
Article Title Summary of the Article Interlocks and interlock systems can be classified into three main groups: mechanical, electrical, and key interlocks. Each of these types has its advantages when properly designed and applied. There are also different types of boiler interlocks, such as pre-ignition or start-up interlocks and running interlocks. Two-out-of-three paralleling is a […]