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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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Overview
Specifications
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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 r_Al		0.37
Reduction factor r_Cu		0.35
Reduction factor r₃₀₄		0.79
Output type		2-wire
Nominal ratings
Nominal voltage		8.2 V (R_i 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
MTTF_d		1697 a
Mission Time (T_M)		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

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Product Files

Type Name File Name / Description

Datasheet

212436_eng

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 r_Al		0.37
Reduction factor r_Cu		0.35
Reduction factor r₃₀₄		0.79
Output type		2-wire
Nominal ratings
Nominal voltage		8.2 V (R_i 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
MTTF_d		1697 a
Mission Time (T_M)		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