Particular Facilities

We will start by having a look at the basic elements on the general control and security panel:

  • MAINS ISOLATOR (MI)

This is located beside the General Control and Security Panel, just before it. This switch disconnects (trips) the installation when the sum of the power demanded by the devices that are operating exceeds the subscribed power.

  • MASTER CIRCUIT BREAKER (MCB)

This protects the entire house installation from overloads and short-circuits. It has only recently come to form part of General Control and Security Panels, thus quite often it does not appear on them.

  • RESIDUAL CURRENT DEVICE (RCD)

The RCD disconnects the electrical installation quickly whenever there is a ground leakage, thus protecting people from electric shocks.

  • SMALL CIRCUIT BREAKERS (SCBs)

These protect from the incidents caused by short-circuits and overloads in each of the interior circuits (lighting, heating, domestic appliances, etc.).