AP 258E01 is used as surface mounting enclosure for the Presence Detector, Constant Light Level Controller UP 258E22, the Presence Detector, Brightness Sensor UP 258D12 and the Brightness Controller UP 255D21. This surface mounting enclosure allows the above-mentioned devices to be used as surface-mounted devices.
The surface mounting enclosure AP 258E01 has the same color as the devices mentioned above, titanium white (similar RAL 9010).