Pepperl+Fuchs NJ20+U1+W4 Inductive sensor

Pepperl+Fuchs NJ20+U1+W4
Item Number: NJ20+U1+W4
Series: VariKont , Housing material: PBT, Rated operating distance: 20 mm, Switching element function: AC Make/Break function, Connection type: terminal compartment, Output type: 4-wire, Installation: not embeddable, Kind of voltage: AC
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General specifications
Switching element functionAC NO/NC
Rated operating distance20 mm
Output polarityAC
Assured operating distance0 ... 16.2 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.3
Reduction factor r304 0.85
Nominal ratings
Operating voltage20 ... 253 V
Switching frequency0 ... 20 Hz
Hysteresis1 ... 10 typ. 5 %
Voltage dropless than or equal to 5 V
Momentary current
(20 ms, 0.1 Hz)
max. 4 A
Operating current10 ... 500 mA
Off-state current0 ... 2.5 mA typ.
Switching state indicatorLED green: NC
LED red: NO
Approvals and certificates
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Storage temperature-25 ... 85 °C (-13 ... 185 °F)
Mechanical specifications
Core cross-sectionup to 2.5 mm2
Housing materialPBT
Sensing facePBT
Degree of protectionIP68
Note1) In the temperature range below 0 °C, permissible operating voltage Ub 80...253 V
Safety fuse less than or equal to 2 A (quick-blow) according to IEC 60127-2 Sheet 1
Recommendation: after a short circuit, check that the device is functioning correctly.


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