Pepperl+Fuchs NJ4-12GM50-WS Inductive sensor

Pepperl+Fuchs NJ4-12GM50-WS
Item Number: NJ4-12GM50-WS
Series: Cylindrical type, Housing diameter: 12 mm, Housing material: Stainless steel 1.4305 / AISI 303, Rated operating distance: 4 mm, Connection type: cable PVC , 2 m, Output type: 2-wire, Installation: non-flush, Type of voltage: AC
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General specifications
Switching element functionAC NO
Rated operating distance4 mm
Installationnon-flush
Output polarityAC
Assured operating distance0 ... 3.24 mm
Reduction factor rAl 0.4
Reduction factor rCu 0.4
Reduction factor r304 0.7
Nominal ratings
Operating voltage20 ... 253 V
Switching frequency0 ... 20 Hz
Reverse polarity protectionreverse polarity tolerant
Voltage droptyp. 4 V at 15 ... 200 mA
typ. 6.5 V at 5 mA
Momentary current
(20 ms, 0.1 Hz)
0 ... 1200 mA
Operating current5 ... 200 mA
Off-state currenttyp. 0.7 mA
Switching state indicatorLED, yellow
Functional safety related parameters
MTTFd1230 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
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 °C (-13 ... 158 °F)
Mechanical specifications
Connection typecable PVC , 2 m
Core cross-section0.34 mm2
Housing materialStainless steel 1.4305 / AISI 303
Sensing facePBT
Housing diameter12 mm
Degree of protectionIP67
Note1) In the temperature range below 0 °C, permissible operating voltage Ub 80...253 V
Safety fuse less than or equal to 0.8 A (quick-blow) according to IEC 60127-2 Sheet 1
Recommendation: after a short circuit, check that the device is functioning correctly.
General information
Scope of delivery2 self locking nuts in scope of delivery

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