- It is the automatic safety device to protect the connectors of main circuit by cutting off dangerous contact from outside while the breaker is drawn out. When the ACB is drawn in, the shutter is automatically opened.
- There are 4 types of Safety Shutter and they are divided as shown in figure below.
The types of safety shutter plate
| 2000/5000AF, 3P |  |
|---|---|
| 4000/6300AF, 3P |  |
| 2000/5000AF, 4P |  |
| 4000/6300AF, 3P |  |