At one end is a clamp meter, that fastens around the 230 V live wire at the vehicle's mains in. The other end plugs into the control panel. Now you can set the max 230 V current the vehicle is allowed to draw. If this is exceeded, the boiler will automatically power down the electric heating.
Not for use with the Alde 3010-214 manual control panel.
Article number: 3010 246