NBB4-F1-US

General specifications Switching element function AC/DC NO Rated operating distance 4 mm Installation flush Output polarity AC/DC Assured operating distance 0 ... 3.24 mm Reduction factor r Al 0.3 Reduction factor r Cu 0.2 Reduction factor r 304 0.7 Nominal ratings Operating voltage 20 ... 253 V AC/DC Switching frequency 0 ... 25 Hz Hysteresis typ. 5% Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 7 V Momentary current (20 ms, 0.1 Hz) 0 ... 2100 mA Operating current 4 ... 250 mA AC 4 ... 100 mA DC Off-state current less than or equal to 1.7 mA No-load supply current less than or equal to 4 mA Operating voltage indicator LED, green Switching state indicator LED, yellow 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 0.5 mm 2 Housing material PA Sensing face PA Degree of protection IP67 Tightening torque, fastening screws Threading M3 max: 1.1 Nm