Also if some building need automatic sliding door for the main entrance. But also need big space for loading something. The swing out automatic sliding door is good choice.
When power failure most automatic sliding door motors are very hard to open by hand. People can't go out when the fire come. It may injuried by fire or push down by the hurrying people. So the emergency breakout automatic sliding door operator is a best solution for this emergency situation. People can easy swing out the door when power failure, and provide enough space for escape from inside.
Nowadays we can see automatic sliding door everywhere. It provide enter free for pedestrian. It's popular used in airport, train station, supermarket, office building also some car 4S shops. When emergency situation like fire alarm and power failure, if the sliding motor can't open the door, that's a big problem.