The Siemens 3RG7421-7AA00 is a SIMATIC PXO320 K21R retro reflective photoelectric sensor with an integrated polarisation filter. It operates on DC 10-30 V, outputs PNP dark-on switching at 150 mA, and uses an M8 3-pole connector. The sensing range is 3 m, and the housing measures 31x20x12 mm with M18 optics. Rated IP68, it handles washdown environments.
Siemens 3RG7421-7AA00 SIMATIC PXO320 K21R Retro Reflective S
MPN3RG7421-7AA00
End of Life
Siemens SIMATIC PXO320 K21R retro reflective sensor, 31x20x12 mm, DC 10-30V, 3 m range, PNP dark-on, 150 mA, M8 3-pole, IP68, with M18 optics.
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Independent China distributor & sourcing agent· Listing updated Sep 2026
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It is sourced to order through independent channels against an RFQ. No stock or lead time is published; submit an RFQ for a firm delivery date.
MPN
3RG7421-7AA00