Inductive sensor NJ20P+U4+A2-V1 Technical Data Model Number NJ20P+U4+A2-V1 Features * * * Only for non-ferrous metals 20 mm non-flush 4-wire DC General specifications Switching element function PNP NO/NC 20 mm Rated operating distance sn Installation non-flush Output polarity DC Assured operating distance sa 0 ... 16.2 mm 1 Reduction factor rAl Reduction factor rCu 1 0 Reduction factor rSt37 Reduction factor rBrass 1 (Minimum distance: 2 mm) Nominal ratings Operating voltage UB 10 ... 30 V DC Switching frequency f 0 ... 200 Hz Hysteresis H 1 ... 10 typ. 5 % Reverse polarity protection reverse polarity protected Short-circuit protection pulsing 3V Voltage drop Ud Operating current IL 0 ... 200 mA No-load supply current I0 20 mA Time delay before availability tv 10 ms Operating voltage indicator LED, green Switching state indicator LED, yellow Ambient conditions Ambient temperature -25 ... 70 C (-13 ... 158 F) Mechanical specifications Connection type Connector M12 x 1 , 4-pin Housing material PBT Sensing face PBT Housing base metal Degree of protection IP68 Compliance with standards and directives Standard conformity Standards EN 60947-5-2:2007 IEC 60947-5-2:2007 Approvals and certificates UL approval CSA approval cULus Listed, General Purpose cCSAus Listed, General Purpose 11 Dimensions 118 22 58 LED 30 o 5.5 46.5 M12 x 1 Release date: 2015-02-17 15:14 Date of issue: 2015-02-17 093890_eng.xml 40 40.5 60 Electrical Connection Refer to "General Notes Relating to Pepperl+Fuchs Product Information". Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 4411 fa-info@de.pepperl-fuchs.com www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com 1 L+ 4 2 3 L- Singapore: +65 6779 9091 fa-info@sg.pepperl-fuchs.com 1