Serviceline
Serviceline Industrial Sensors
Serviceline Explosion Protection

Inductive sensor NJ4-12GM50-WS

NJ4-12GM50-WS
  • 4 mm non-flush
  • 2-wire AC

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of NJ4-12GM50-WS

General specifications
Switching functionNormally open (NO)
Output typeTwo-wire
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 ≤ 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

Documents: NJ4-12GM50-WS

Technical informationLanguageFile TypeFile Size
Installation instructions, locking nut / Montageanleitung, Muttern mit SperrverzahnungALLPDF1117 KB
Installation conditionsENGPDF191 KB
EinbaubedingungenGERPDF194 KB
warunki montażuPOLPDF245 KB
Условия монтажаRUSPDF274 KB

Approvals+Certificates: NJ4-12GM50-WS

CertificatesCertificate No.File TypeFile Size
Canada USA CSA Ordinary Location1007121PDF99 KB
Canada USA UL Ordinary Location20170306-E87056PDF407 KB
China CQC CCC2010010305385286PDF23714 KB

Associated Products: NJ4-12GM50-WS

Accessories

Mounting flange, 12 mmfa

Quick mounting bracket with dead stopfa