Siemens circuit board model S33B-PC3 - 24V INTLK - Interlock S33 - Assy 9405762 Rev. A - Schem 9405770 Rev. A. Used. Presumed good, however unable to test. This item was removed from a head/MLC (Multi-leaf Collimator) testing machine; please examine photos carefully to determine if it is the correct version for your equipment.
