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Omron E3FB-RN21

Photoelectric sensor, M18 threaded barrel, metal, red LED, retro-reflective, 4 m, NPN, Light-ON/Dark-ON

MPN: E3FB-RN21
Category: E3FA/E3FB

Price and lead time confirmed within 1 business day

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the Omron E3FB-RN21?

Photoelectric sensor, M18 threaded barrel, metal, red LED, retro-reflective, 4 m, NPN, Light-ON/Dark-ON, M12 connector

Specifications

Shape	Cylindrical axial
Sensing method	Retro-reflective
Sensing distance	4000 mm
Sensing distance (min.)	100 mm
Setting method	Manual adjustment
Connection method	Connector M12
Output type	NPN
Operation mode	Dark-ON, Light-ON
Response time	0.5 ms
Material housing	Brass, nickel plated
Thread size	M18
Product Length (unpacked)	48 mm
Type of light	Polarized red light
Power supply voltage	10-30 V
Features	M.S.R.
Degree of protection (IP)	IP67/IP69K

E3FB-RN21: frequently asked questions

When can E3FB-RN21 be shipped?

E3FB-RN21 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up E3FB-RN21 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for E3FB-RN21 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for E3FB-RN21, subject to availability and destination.