NJ4-12GM50-WS

General specifications Switching element function AC NO Rated operating distance 4 mm Installation non-flush Output polarity AC Assured operating distance 0 ... 3.24 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.4 Reduction factor r 304 0.7 Nominal ratings Operating voltage 20 ... 253 V Switching frequency 0 ... 20 Hz Reverse polarity protection reverse polarity tolerant Voltage drop typ. 4 V at 15 ... 200 mA typ. 6.5 V at 5 mA Momentary current (20 ms, 0.1 Hz) 0 ... 1200 mA Operating current 5 ... 200 mA Off-state current typ. 0.7 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 1230 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval Certified by China Compulsory Certification (CCC) Ambient conditions Ambient temperature -25 ... 70 °C (-13 ... 158 °F) Mechanical specifications Connection type cable PVC , 2 m Core cross-section 0.34 mm 2 Housing material Stainless steel 1.4305 / AISI 303 Sensing face PBT Housing diameter 12 mm Degree of protection IP67 Note 1) In the temperature range below 0 °C, permissible operating voltage U b 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 delivery 2 self locking nuts in scope of delivery