871-1994 871-1A-C-12VDC 871-1A-C-D1 12VDC 871-1A-C-D1-12VDC 871-1A-C-R1 871-1A-D-12VDC 871-1A-DF-R1-U10-12VDC 871-1A-D-R1-12VDC 871-1A-S-12VDC 871-1A-S-24VDC