You can install it as follows.1. Regular installation of the power supply side terminal as the upper partand the load side terminal as the lower side2. Inclined installation from the regular installation state to each directionof 30℃.3. Side installation rotated 90℃ counterclockwise from the regularinstallation (Characteristic does not change but mechanical durability maybe reduced in some cases.) However, Reversible, Mechanical latched type,N600 and N800 frame can not be installed as side installation