Сам спросил, сам отвечу. Саппорт Фибаро отписал так:
Smart module (FGS-214) we recommend to use for watering or stove valves. Smart module works with 100-240V~ 50/60Hz or 24-30V DC.
Single/ Double ( FGS-213) we recommend to use for light and electronic devices who works with 100-240V.
We don't recommend use smart module with lights.