Download the software (Article No. 09352055, DRCA1 V2-SW) for use with the residual current analysis systems DRCA 1 here.

System Requirements:
Windows 7 SP1 or higher
500 MB of available hard disk space

DRCA-1 Full Version

DRCA-1 Simulation

License agreement

FAQ about DRCA 1 

Operating manual DRCA 1 

DRCA-1-Set - The first steps