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 E3RB-DP21-F2 is a cylindrical radial diffuse reflective photoelectric sensor utilizing a polarity free red light with a sensing distance of 100 mm and manual adjustment. Housed in a nickel-plated brass M18 threaded body with IP67 and IP69K protection, this unit features a 10-30 V power supply voltage, M12 connector, PNP output type, selectable Dark-ON or Light-ON operation mode, and a 0.5 ms response time. 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 E3RB-DP21-F2. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.