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NBB20-U1K-N0

VariKont ®, PA, Type: 2-wire, Installation: flush, Voltage: DC, screw terminals, IP66 / IP68 / IP69K

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SKU: PF-212436 Manufacturer part number: 212436
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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 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 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 Gc (ic) PF13CERT2895 X
Equipment protection level Da PTB 00 ATEX 2032 X
EAC conformity TR CU 012/2011
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
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 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
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
Note Tightening torque: 1.8 Nm (housing)
General information
Use in the hazardous area see instruction manuals
 
SKU
PF-212436
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Products specifications
Attribute name Attribute value
Operating Distance 20mm
Output NAMUR NC
Product Files
Type Name
Datasheet
212436_eng
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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 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 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 Gc (ic) PF13CERT2895 X
Equipment protection level Da PTB 00 ATEX 2032 X
EAC conformity TR CU 012/2011
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
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 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
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
Note Tightening torque: 1.8 Nm (housing)
General information
Use in the hazardous area see instruction manuals
 
SKU
PF-212436
Products specifications
Attribute name Attribute value
Operating Distance 20mm
Output NAMUR NC
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