Standard, interchangeable base for Apollo Orbis series detectors

The Apollo FOC-990 base (ORB-MB-00012-APO) is a detector base with 2 setscrew slots spaced 51mm and 69mm. The detectors fit into the ORB-MB-00012-APO in one direction only and require clockwise rotation to connect.
Specs

•      TimeSaver mounting base for Orbis series detectors
•      Provides a quick assembly procedure
•      Grouped terminals to make wiring easier
•      Two fixing centers
•      LED alignment mark
•      Cable removal guide
•      Detector locking mechanism
•      Ø100 x 24 mm