Not quite!
If that's all it does it's been incorrectly fitted and would serve no useful purpose at all.
It should be fitted in the main power intake and then it monitors the total use by the van.
If the monitor unit is set at 6 amps and the alde is on 2kw it will reduce the alde to 1kw thus staying below the 6amp total load.
If I turn the kettle on with the heating running it switches the heating off until the kettle has finished. It's just a current sensing coil the clever bit is already in the software of the 3020.
I have fitted one to my van as an extra and it works well and saves us having to remember when on low current EHU to switch the heating off when we need to use other 1kw items.
Used to limit power consumption of the vehicle. Reduces the output of the electric element in stages if the load is too high. This prevents the circui...
www.alde.co.uk