Infrared fork light barriers:
PMI 6 mm types - with 3-pin connector M8
PMI 6 mm types - with free cable end 1,5 m
PDI 6 mm types - with 3-pin connector M8
PDI 6 mm types - with free cable end 1,5 m
PXI types
PSI 8 mm types - constant light trigger
PSI 8 mm types - chopped light trigger
PKI 10 mm types - PKI-10/K... PKI-20/K
PKI 10 mm types - PKI-20... PKI-80