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-R2C4M-N-2M is an E3H2 cylindrical axial retro-reflective sensor featuring an M12 brass, nickel-plated housing with a 59 mm unpacked length. This M.S.R. unit operates on a 10-30 V power supply voltage with a polarized red light type, delivering an NPN output type and a 1 ms response time with Dark-ON, Light-ON operation mode. Connection is established via a 2 m cable, utilizing a 2000 mm sensing distance and a Teach-In setting method. Submit your 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 E3H2-R2C4M-N-2M. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.