833FRB-3L 833H-1A 833H-1A-C 833H-1A-C DC12V 833H-1A-C-12 833H-1A-C-12V 833H-1A-C-12VDC 833H-1AC-12V-DC 833H-1A-C-18VDC 833H-1A-C-24V