The pre-wired group box with Enphase Q-relay 3-phase is an extension for the existing group box. Especially for Enphase systems, the Q-relay 3-phase is already built in!
In the Schneider Electric distribution box you will find the Chint residual current device B16A 30mA (4-pole), the Enphase relay 3-phase and 4 ferrite rings. Everything is already pre-wired so that saves a lot of time on installation