NJ20+U4+W4 - Inductive sensor | NJ20+U4+W4 - Quad Industry GmbH

Артикул: NJ20+U4+W4
Наименование: Inductive sensor | NJ20+U4+W4
Производитель: Pepperl-Fuchs



  • Comfort series
  • 20 mm non-flush
  • 4-wire AC

Datasheet as PDF in following languages:


Technical Data: NJ20+U4+W4

General specifications
Switching element functionAC NO/NC
Rated operating distance20 mm
Installationnon-flush
Output polarityAC
Assured operating distance0 ... 16.2 mm
Reduction factor rAl 0.35
Reduction factor rCu 0.35
Reduction factor r304 0.8
Nominal ratings
Operating voltage AC20 ... 253 V
Switching frequency0 ... 20 Hz
Hysteresis1 ... 10 typ. 5 %
Voltage drop≤ 4 V
Momentary current
(20 ms, 0.1 Hz)
max. 4 A
Operating current5 ... 500 mA
Off-state current≤ 2.5 mA
Switching state indicationLED green: NC
LED red: NO
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 ... 70 В°C (-13 ... 158 В°F)
Storage temperature-25 ... 85 В°C (-13 ... 185 В°F)
Mechanical specifications
Connection typescrew terminals
Core cross-sectionmax. 2.5 mm2
Housing materialPBT/base of metal
Sensing facePBT
Protection degreeIP68
Note1) In the temperature range below 0 В°C, permissible operating voltage Ub 80...253 V
Safety fuse ≤ 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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