NBB20-U4-UU

Inductive sensor NBB20-U4-UU < < < < Sensor head bidirectional and rotatable NO/NC selectable Comfort series Metal base with ground connection Dimensions ½” NPT 40 LED ye 118 Release date: 2021-12-09 Date of issue: 2021-12-09 Filename: 248043_eng.pdf 40 5.3 60 30 46 LED gn LED ye Technical Data General specifications Switching function Normally open/closed (NO/NC) Output type Two-wire Rated operating distance sn 20 mm Installation flush Output polarity AC/DC Assured operating distance sa 0 ... 16.2 mm Actual operating distance sr 18 ... 22 mm Reduction factor rAl 0.4 Reduction factor rCu 0.3 Refer to "General Notes Relating to Pepperl+Fuchs Product Information". Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 1111 fa-info@de.pepperl-fuchs.com www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com Singapore: +65 6779 9091 fa-info@sg.pepperl-fuchs.com 1 Inductive sensor NBB20-U4-UU Technical Data Reduction factor r304 0.77 Reduction factor rFe 1 Reduction factor rBrass 0.43 Output type 2-wire Nominal ratings Switching frequency f AC, 0 ... 30 Hz DC, 0 ... 100 Hz Hysteresis H 1 ... 10 typ. 5 % Reverse polarity protection reverse polarity tolerant Short-circuit protection Voltage drop pulsing Ud Momentary current (20 ms, 0.1 Hz) ≤ 5 V (typ. 2V) DC operation ≤ 8 V (typ. 3 V) AC operation 0 ... 3000 mA Operating current IL 5 ... 500 mA Rated operating current Ie 500 mA 50/60 Hz Lowest operating current Im 5 mA Off-state current Ir ≤ 1.5 mA Usage category Time delay before availability AC12 , AC140 , DC12 , DC13 tv ≤ 300 ms Operating voltage indicator LED, green Switching state indicator LED, yellow Error indicator flashes when overcurrent Functional safety related parameters MTTFd 540 a Mission Time (TM) 20 a Diagnostic Coverage (DC) 0% Electrical specifications Rated operating voltage Ue 24 ... 250 V DC / 24 ... 230 V AC Operating voltage UB 20 ... 275 V DC / 20 ... 253 V AC Compliance with standards and directives Standard conformity Standards EN 60947-5-2:2007 EN 60947-5-2/A1:2012 IEC 60947-5-2:2007 IEC 60947-5-2 AMD 1:2012 Approvals and certificates Release date: 2021-12-09 Date of issue: 2021-12-09 Filename: 248043_eng.pdf Protection class I Rated insulation voltage Ui 250 V Rated impulse withstand voltage Uimp 2.5 kV UL approval cULus Listed, General Purpose CCC approval Ue 75VDC - 250VDC Ue 75VAC - 230VAC Ambient conditions Ambient temperature -25 ... 85 °C (-13 ... 185 °F) Storage temperature -25 ... 85 °C (-13 ... 185 °F) Pollution degree 3 Mechanical specifications Connection type terminal compartment Information for connection A maximum of two conductors with the same core cross section may be mounted on one terminal connection! tightening torque 1.2 Nm + 10 % Core cross section up to 2.5 mm2 Minimum core cross-section without wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2 Maximum core cross-section without wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2 Housing material PA 6.6 / metal Sensing face PA 6.6 Refer to "General Notes Relating to Pepperl+Fuchs Product Information". Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 1111 fa-info@de.pepperl-fuchs.com www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com Singapore: +65 6779 9091 fa-info@sg.pepperl-fuchs.com 2 Inductive sensor NBB20-U4-UU Technical Data Housing base metal / class I equipment with ground connection Degree of protection IP67 Mass 280 g Note Tightening torque: 1.8 Nm (housing) Connection NC 1 2 L AC/DC N 3 4 NO 1 2 3 4 L AC/DC N Accessories Modular mounting bracket Release date: 2021-12-09 Date of issue: 2021-12-09 Filename: 248043_eng.pdf MHW 01 Refer to "General Notes Relating to Pepperl+Fuchs Product Information". Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 1111 fa-info@de.pepperl-fuchs.com www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com Singapore: +65 6779 9091 fa-info@sg.pepperl-fuchs.com 3 Inductive sensor NBB20-U4-UU Connection Release date: 2021-12-09 Date of issue: 2021-12-09 Filename: 248043_eng.pdf Note The sensor is designed for individual operation. A series or parallel connection of sensors is not permissible. Refer to "General Notes Relating to Pepperl+Fuchs Product Information". Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 1111 www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@de.pepperl-fuchs.com Singapore: +65 6779 9091 fa-info@sg.pepperl-fuchs.com 4