Pepperl+Fuchs NJ20+U4+W-T Proximity sensor

Pepperl+Fuchs NJ20+U4+W-T
Item Number: NJ20+U4+W-T

Series: VariKont ®, Housing material: PBT/base of metal, Rated operating distance: 20 mm, Connection type: screw terminals, Output type: 2-wire, Installation: non-flush, Type of voltage: AC

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General specifications
Switching element functionAC NO/NC
Rated operating distance20 mm
Installationnon-flush
Output polarityAC
Assured operating distance0 ... 16.2 mm
Reduction factor rAl0.4
Reduction factor rCu0.3
Reduction factor r3040.85
Nominal ratings
Operating voltage20 ... 253 V 1)
Switching frequency0 ... 25 Hz
Hysteresistyp. 3 %
Voltage dropless than or equal to 7 V
Momentary current
(20 ms, 0.1 Hz)
0 ... 4000 mA
Operating current10 ... 500 mA
Off-state current0 ... 3 mA typ.
Operating voltage indicatorLED, green
Switching state indicatorLED, yellow
Approvals and certificates
UL approvalcULus Listed, General Purpose
CSA approvalcCSAus Listed, General Purpose
CCC approvalCertified by China Compulsory Certification (CCC)
Ambient conditions
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection typescrew terminals
Core cross-sectionup to 2.5 mm2
Housing materialPBT/base of metal
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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