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 E3H2-R2B4M-M1-N is a cylindrical axial retro-reflective photoelectric sensor featuring a 2000 mm sensing distance and polarized red light with M.S.R. technology. Housed in a nickel-plated brass M12 threaded body measuring 66 mm in length, this unit operates on a 10-30 V power supply and utilizes an M12 connector for electrical termination. It delivers a PNP output with selectable Dark-ON or Light-ON operation modes, a 1 ms response time, Teach-In setting method, and an IP67 degree of protection. Submit the exact part number, quantity, and application requirements to request 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 E3H2-R2B4M-M1-N. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.