NBB20-U2-UU PEPPERL+FUCHS - Part number: 248041

Datasheet excerpt: Technical data of  NBB20-U2-UU General specifications Switching functionNormally open/closed (NO/NC) Output typeTwo-wire Rated operating distance20 mm Installationflush Output polarityAC/DC Assured operating distance0 ... 16.2 mm Actual operating distance18 ... 22 mm Reduction factor rAl 0.4 Reduction factor rCu 0.3 Reduction factor r304 0.77 Reduction factor rFe 1 Reduction factor rBrass 0.43 Output type2-wire Nominal ratings Switching frequencyAC, 0 ... 30 HzDC, 0 ... 100 Hz Hysteresis1 ... 10 typ. 5 % Reverse polarity protectionreverse polarity tolerant Short-circuit protectionpulsing Voltage drop≤ 5 V (typ. 2V) DC operation ≤ 8 V (typ. 3 V) AC operation Momentary current(20 ms, 0.1 Hz)0 ... 3000 mA Operating current5 ... 500 mA Rated operating current500 mA 50/60 Hz Lowest operating current5 mA Off-state current≤ 1.5 mA Usage categoryAC12 , AC140 , DC12 , DC13 Time delay before availability≤ 300 ms Operating voltage indicatorLED, green Switching state indicatorLED, yellow Error indicatorflashes when overcurrent Functional safety related parameters MTTFd540 a Mission Time (TM)20 a Diagnostic Coverage (DC)0 % Electrical specifications Rated operating voltage24 ... 250 V DC / 24 ... 230 V AC Operating voltage20 ... 275 V DC / 20 ... 253 V AC Compliance with standards and directives Standard conformity StandardsEN 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 Protection classII Rated insulation voltage230 V Rated impulse withstand voltage2.5 kV UL approvalcULus Listed, General Purpose "For use in NFPA 79 Applications only" For overcurrent protection, install a fuse with a rated current of max. 3 A and at least 300 V AC/DC CCC approvalUe 75VDC - 250VDC Ue 75VAC - 230VAC Ambient conditions Ambient temperature-25 ... 85 °C (-13 ... 185 °F) Storage temperature-25 ... 85 °C (-13 ... 185 °F) Pollution degree3 Mechanical specifications Connection typeterminal compartment Information for connectionA 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 sectionup to 2.5 mm2 Minimum core cross-sectionwithout wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2 Maximum core cross-sectionwithout wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2 Housing materialPA 6.6 / metal Sensing facePA 6.6 Housing baseplastic Degree of protectionIP67 Mass255 g Classifications SystemClasscode ECLASS 11.027270101 ECLASS 10.0.127270101 ECLASS 9.027270101 ECLASS 8.027270101 ECLASS 5.127270101 ETIM 8.0EC002714 ETIM 7.0EC002714 ETIM 6.0EC002714 ETIM 5.0EC002714 UNSPSC 12.139121550 Datasheet excerpt: Technical data of  NBB20-U2-UU General specifications Switching functionNormally open/closed (NO/NC) Output typeTwo-wire Rated operating distance20 mm Installationflush Output polarityAC/DC Assured operating distance0 ... 16.2 mm Actual operating distance18 ... 22 mm Reduction factor rAl 0.4 Reduction factor rCu 0.3 Reduction factor r304 0.77 Reduction factor rFe 1 Reduction factor rBrass 0.43 Output type2-wire Nominal ratings Switching frequencyAC, 0 ... 30 HzDC, 0 ... 100 Hz Hysteresis1 ... 10 typ. 5 % Reverse polarity protectionreverse polarity tolerant Short-circuit protectionpulsing Voltage drop≤ 5 V (typ. 2V) DC operation ≤ 8 V (typ. 3 V) AC operation Momentary current(20 ms, 0.1 Hz)0 ... 3000 mA Operating current5 ... 500 mA Rated operating current500 mA 50/60 Hz Lowest operating current5 mA Off-state current≤ 1.5 mA Usage categoryAC12 , AC140 , DC12 , DC13 Time delay before availability≤ 300 ms Operating voltage indicatorLED, green Switching state indicatorLED, yellow Error indicatorflashes when overcurrent Functional safety related parameters MTTFd540 a Mission Time (TM)20 a Diagnostic Coverage (DC)0 % Electrical specifications Rated operating voltage24 ... 250 V DC / 24 ... 230 V AC Operating voltage20 ... 275 V DC / 20 ... 253 V AC Compliance with standards and directives Standard conformity StandardsEN 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 Protection classII Rated insulation voltage230 V Rated impulse withstand voltage2.5 kV UL approvalcULus Listed, General Purpose "For use in NFPA 79 Applications only" For overcurrent protection, install a fuse with a rated current of max. 3 A and at least 300 V AC/DC CCC approvalUe 75VDC - 250VDC Ue 75VAC - 230VAC Ambient conditions Ambient temperature-25 ... 85 °C (-13 ... 185 °F) Storage temperature-25 ... 85 °C (-13 ... 185 °F) Pollution degree3 Mechanical specifications Connection typeterminal compartment Information for connectionA 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 sectionup to 2.5 mm2 Minimum core cross-sectionwithout wire end ferrule 0.5 mm2 , with connector sleeves 0.34 mm2 Maximum core cross-sectionwithout wire end ferrule 2.5 mm2 , with connector sleeves 1.5 mm2 Housing materialPA 6.6 / metal Sensing facePA 6.6 Housing baseplastic Degree of protectionIP67 Mass255 g Classifications SystemClasscode ECLASS 11.027270101 ECLASS 10.0.127270101 ECLASS 9.027270101 ECLASS 8.027270101 ECLASS 5.127270101 ETIM 8.0EC002714 ETIM 7.0EC002714 ETIM 6.0EC002714 ETIM 5.0EC002714 UNSPSC 12.139121550