871-1A-D-12VDC 871-1A-DF-R1-U10-12VDC 871-1A-D-R1-12VDC 871-1A-S-12VDC 871-1A-S-24VDC 871-1A-S-R1-12VDC 8711B 871-1C-C 871-1C-C-12VDC 871-1C-C-24VDC