Finding Photoelectric Switch

I am struggling to find a replacement for this switch. The only reference I can find to the part number is here:

Where can I find this, or do I need to find an equivalent part?

Hello aramaki2 - Welcome to the Tech Forum.

I wasn’t able to locate any information on your switch, so I don’t know what the specifications are. We do have a couple of options you can take a look at: SEN0455 and SEN0347. You’ll want to take a look at the datasheets to verify either of these options is appropriate for your application.

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The Google-translated info from that website helps, but it’s still not entirely clear how it functions. However, from what I can tell, the parts in this link seem to be the most similar from a functional standpoint.

It appears to be a reflective sensor with a 100mm range and which is optimized for detecting diffuse surfaces. It is designed to operate from 10 - 30 Vdc, and I think the output type is NPN open-collector with the output ON when an object is detected.