Description¶

The "mainSwitch" should supply the CANbus with own power supply (from 240V).
When device is in off-state, it is isolated from 240V via SSR.
To switch it to "on", it has an big button. The device contains an battery.

It has terminal for USB slots to load mobile devices. It can power up to 5W.

Pressing the button again will bring device in "off" state.
The battery voltage is monitored. Low voltage gets detected and indicated by
the LED.