NBB20-U4K-N0 PEPPERL+FUCHS - Part number: 70133134

Datasheet excerpt: Technical data of  NBB20-U4K-N0 General specifications Switching functionNormally closed (NC) Output typeNAMUR Rated operating distance20 mm Installationflush Assured operating distance0 ... 16.2 mm Actual operating distance18 ... 22 mm typ. 20 mm Reduction factor rAl 0.33 Reduction factor rCu 0.31 Reduction factor r304 0.74 Output type2-wire Nominal ratings Nominal voltage8.2 V (Ri 1 kΩ) Switching frequency0 ... 300 Hz Hysteresistyp. 5 % Reverse polarity protectionreverse polarity protected Short-circuit protectionyes Current consumption Measuring plate not detected≥ 2.2 mA Measuring plate detected≤ 1 mA Switching state indicatorLED, yellow Functional safety related parameters MTTFd1697 a Mission Time (TM)20 a Diagnostic Coverage (DC)0 % Compliance with standards and directives Standard conformity NAMUREN 60947-5-6:2000 IEC 60947-5-6:1999 Electromagnetic compatibilityNE 21:2007 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 IECEx approval Equipment protection level GaIECEx PTB 11.0021X Equipment protection level GbIECEx PTB 11.0021X Equipment protection level DaIECEx PTB 11.0021X ATEX approval Equipment protection level GaPTB 00 ATEX 2032 X Equipment protection level GbPTB 00 ATEX 2032 X Equipment protection level DaPTB 00 ATEX 2032 X UL approval Ordinary LocationE87056 Hazardous LocationE501628 Control drawing116-0451 CCC approval Hazardous Location2020322315002303 NEPSI approval NEPSI certificateGYJ16.1394X Ambient conditions Ambient temperature-25 ... 100 °C (-13 ... 212 °F) Storage temperature-40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection typescrew terminals 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/metal Sensing facePA Degree of protectionIP68 / IP69K Mass225 g NoteTightening torque: 1.8 Nm (housing) General information Use in the hazardous areasee instruction manuals 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-U4K-N0 General specifications Switching functionNormally closed (NC) Output typeNAMUR Rated operating distance20 mm Installationflush Assured operating distance0 ... 16.2 mm Actual operating distance18 ... 22 mm typ. 20 mm Reduction factor rAl 0.33 Reduction factor rCu 0.31 Reduction factor r304 0.74 Output type2-wire Nominal ratings Nominal voltage8.2 V (Ri 1 kΩ) Switching frequency0 ... 300 Hz Hysteresistyp. 5 % Reverse polarity protectionreverse polarity protected Short-circuit protectionyes Current consumption Measuring plate not detected≥ 2.2 mA Measuring plate detected≤ 1 mA Switching state indicatorLED, yellow Functional safety related parameters MTTFd1697 a Mission Time (TM)20 a Diagnostic Coverage (DC)0 % Compliance with standards and directives Standard conformity NAMUREN 60947-5-6:2000 IEC 60947-5-6:1999 Electromagnetic compatibilityNE 21:2007 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 IECEx approval Equipment protection level GaIECEx PTB 11.0021X Equipment protection level GbIECEx PTB 11.0021X Equipment protection level DaIECEx PTB 11.0021X ATEX approval Equipment protection level GaPTB 00 ATEX 2032 X Equipment protection level GbPTB 00 ATEX 2032 X Equipment protection level DaPTB 00 ATEX 2032 X UL approval Ordinary LocationE87056 Hazardous LocationE501628 Control drawing116-0451 CCC approval Hazardous Location2020322315002303 NEPSI approval NEPSI certificateGYJ16.1394X Ambient conditions Ambient temperature-25 ... 100 °C (-13 ... 212 °F) Storage temperature-40 ... 100 °C (-40 ... 212 °F) Mechanical specifications Connection typescrew terminals 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/metal Sensing facePA Degree of protectionIP68 / IP69K Mass225 g NoteTightening torque: 1.8 Nm (housing) General information Use in the hazardous areasee instruction manuals 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