Pilz 502227 PSEN 2.1b-20/PSEN 2.1-20 /8mm/10m/1unit. Pilz 502227 (PSEN 2.1b-20/PSEN 2.1-20 /8mm/10m/1unit) is an exact PSENmag machine-safety catalogue item verified against its dedicated Pilz E-Shop detail page. Pilz's model-specific description is: Magnetic safety switch 1 n/o 1 n/c, square design, IP6K9K, operating distance 8 mm, height design 13 mm, PU = 1 piece with actuator, with 10 m cable (PUR). The detail-page technical table records Sensor principle: magnetic; Coding level to ISO 14119: Low; Classification to EN 60947-5-3: PDDB; Supply voltage (V): 24 V; Connection type: 10 m cable; Protection type, housing: IP69 IP67; Ambient temperature: -25 °C; Height dimension: 36 mm. This order code is tied to GTIN 4046548026733 and the official technical asset titled 'Operating Manual PSEN 2.1a/b-20'. Similar Pilz variants can differ in contact arrangement, coding, connector, cable, actuator package, sensing distance and enclosure protection, so use the exact product ID and GTIN in RFQs. Availability, price and lead time require a current supplier quotation.