No, Both your photos are identical in reality, just the top one is a combined unit. The cut out only has a fuse on the live. Neutral is normally just a terminal. Earth connection varies, and if these cables come off your consumer unit like you think they do is the earth connection you might struggle with as in that photo there is no earth.
This is the same on the consumer unit, live is fused or on a MCB neural is just a bolted connection
The next step is to trace the cables and prove that these ones are the ones you’ve found in the house.
The first check is are the cables visually the same size and type at both ends