Based on this product's specifications, here are some alternatives and similar models
Photoelectric Fork Sensor Panasonic PM-T65, T-type, 5–24 V DC, light-on and dark-on switching
Summary description:
Panasonic PM-T65 is a T-type fork photoelectric sensor designed for presence and position detection in automation. Operating on 5–24 V DC, it offers both light-on (helschaltend) and dark-on (dunkelschaltend) switching modes for flexible integration. Its fork form factor enables non-contact detection of small parts, labels, or edges on conveyors and assembly lines.