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 E3Z-LR81-M3J-0.3M is a cuboid retro-reflective E3Z-LASER sensor utilizing a red laser diode of laser class 1 with a 5 mm spot size. Operating on a 12-24 V power supply voltage, this unit features a PNP output type with Light-ON and Dark-ON operation modes, manual adjustment setting method, M.S.R., and a 1 ms response time. Housed in PBT material, it includes an M8 pigtail connector 4 pin with a 0.3 m cable length and provides a sensing distance ranging from a minimum of 200 mm up to 15000 mm. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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 E3Z-LR81-M3J-0-3M. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.