Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Omron
The Omron E3ZM-R81-S3J-0.3M is a cuboid retro-reflective sensor featuring a sensing distance of 4000 mm, a minimum setting method of 100 mm, and manual adjustment via an M8 4-pin pigtail connector with a 0.3 m cable length. This device utilizes polarized red light operating on a 10-30 V supply, with a stainless steel housing and a degree of protection corresponding to M.S.R. Providing a PNP output type with Light-ON and Dark-ON operation modes, it achieves a response time of 1 ms. Submit the exact part number, quantity, and application requirements for a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Omron references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Omron E3ZM-R81-S3J-0-3M. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.