The Plate mounting kit enables the ENERIUM power monitor to be mounted in a cabinet with the screen plate-mounted.
The optical head enables you to configure and operate your ENERIUM power monitor locally from your PC (except ENERIUM30)
The 85 to 264 VAC/12Vdc - 42W power supply allows you to connect equipment with on-off output to the on-off inputs of your ENERIUM power monitor.