SA-03-B is alow intensity type A signalling system, designed to mark obstacles in aviation. This type of equipment is intended for installation on high buildings, towers, poles, and others that according to ICAO requirements, should be marked as obstacles in aviation. It i used when on the site there is no power supply voltage available or its availability and maintenance are not effective.
Information about SA-03-B can be found - HERE.
Information about installation parts suitable for SA-03-B can be found HERE.