2. 5357 103 science Recap test

Study This diagram.............Then answer the following questions.

Where would you likely see one of these control devices? *

2 points

Explain how the under voltage protection works *

2 points

Is the stop button normally open or normally closed? *

1 point

Can you use these on single phase and three phase? *

1 point

What colour is the stop button? *

1 point

Blue

Green to mark deenergised

Red

Yellow for visibility

Black

Multicoloured because it looks cool

Where else might you see this start/stop button arrangements? *

1 point