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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Omron
E3RB-RP21
Omron E3RB-RP21 E3FA-E3FB
The Omron E3RB-RP21 cylindrical radial retro-reflective sensor features an M18 nickel-plated brass housing with IP67 and IP69K protection. Utilizing a polarized red light source with M.S.R. technology, this unit provides a sensing distance of 100 to 3000 mm, a 0.5 ms response time, and manual adjustment for Dark-ON or Light-ON operation via a PNP output and M12 connector. Power supply voltage ranges from 10 to 30 V. Submit the exact part number, quantity, and application requirements for a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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.
- Manufacturer
- Omron
- Part number
- E3RB-RP21
- Product series
- E3FA-E3FB
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to E3RB-RP21.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Family
- E3FA-E3FB
- Shape
- Cylindrical radial
- Sensing method
- Retro-reflective
- Sensing distance
- 3000 mm
- Sensing distance (min.)
- 100 mm
- Setting method
- Manual adjustment
- Connection method
- Connector M12
- Output type
- PNP
- Operation mode
- Dark-ON, Light-ON
- Response time
- 0.5 ms
- Material housing
- Brass, nickel plated
- Thread size
- M18
- Type of light
- Polarized red light
- Power supply voltage
- 10-30 V
- Features
- M.S.R.
- Degree of protection (IP)
- IP67/IP69K
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Omron E3RB-RP21. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.