Datasheet excerpt: Technical data of NBB20-U1K-N0
General specifications | ||
---|---|---|
Switching function | Normally closed (NC) | |
Output type | NAMUR | |
Rated operating distance | 20 mm | |
Installation | flush | |
Assured operating distance | 0 ... 16.2 mm | |
Actual operating distance | 18 ... 22 mm | |
Reduction factor rAl | 0.37 | |
Reduction factor rCu | 0.35 | |
Reduction factor r304 | 0.79 | |
Output type | 2-wire | |
Nominal ratings | ||
Nominal voltage | 8.2 V (Ri approx. 1 kΩ) | |
Switching frequency | 0 ... 250 Hz | |
Hysteresis | 1 ... 15 typ. 5 % | |
Reverse polarity protection | reverse polarity protected | |
Short-circuit protection | yes | |
Current consumption | ||
Measuring plate not detected | ≥ 3 mA | |
Measuring plate detected | ≤ 1 mA | |
Switching state indicator | LED, yellow | |
Functional safety related parameters | ||
MTTFd | 1697 a | |
Mission Time (TM) | 20 a | |
Diagnostic Coverage (DC) | 0 % | |
Compliance with standards and directives | ||
Standard conformity | ||
NAMUR |
EN 60947-5-6:2000 IEC 60947-5-6:1999 |
|
Electromagnetic compatibility | NE 21:2007 | |
Standards | EN IEC 60947-5-2 | |
Approvals and certificates | ||
IECEx approval | ||
Equipment protection level Ga | IECEx PTB 11.0021X | |
Equipment protection level Gb | IECEx PTB 11.0021X | |
Equipment protection level Da | IECEx PTB 11.0021X | |
Equipment protection level Mb | IECEx PTB 11.0021X | |
ATEX approval | ||
Equipment protection level Ga | PTB 00 ATEX 2032 X | |
Equipment protection level Gb | PTB 00 ATEX 2032 X | |
Equipment protection level Da | PTB 00 ATEX 2032 X | |
UL approval | cULus Listed, General Purpose | |
Ordinary Location | E87056 | |
Hazardous Location | E501628 | |
Control drawing | 116-0451 | |
CCC approval | ||
Hazardous Location | 2020322315002303 | |
NEPSI approval | ||
NEPSI certificate | GYJ16.1394X | |
CML approval | on request | |
ANZEx | 19.3001X | |
Marine approval | DNVGL TAA00001A5 | |
Ambient conditions | ||
Ambient temperature | -25 ... 100 °C (-13 ... 212 °F) | |
Storage temperature | -40 ... 100 °C (-40 ... 212 °F) | |
Mechanical specifications | ||
Connection type | screw terminals | |
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 , stripped insulation length: 7 mm | |
Minimum core cross-section | without wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2 | |
Maximum core cross-section | without wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2 | |
Connection (system side) | screw terminals , M20 x 1.5 cable gland , usable thread length 9.1 mm , screw-in depth max. 9.1 mm | |
Housing material | PA | |
Sensing face | PA | |
Degree of protection | IP66 / IP68 / IP69K | |
Mass | 225 g | |
Dimensions | ||
Height | 40 mm | |
Width | 40 mm | |
Length | 118 mm | |
Note | Tightening torque: 1.8 Nm (housing) | |
General information | ||
Use in the hazardous area | see instruction manuals |