NBB4-F1-A2

General specifications Switching element function PNP NO/NC Rated operating distance 4 mm Installation flush Output polarity DC Assured operating distance 0 ... 3.24 mm Reduction factor r Al 0.4 Reduction factor r Cu 0.45 Reduction factor r 304 0.8 Reduction factor r Brass 0.55 Nominal ratings Operating voltage 10 ... 30 V DC Switching frequency 0 ... 1400 Hz Hysteresis typ. 5% Reverse polarity protection reverse polarity protected Short-circuit protection pulsing Voltage drop less than or equal to 2.5 V Rated insulation voltage 60 V Operating current 0 ... 250 mA Off-state current 0 ... 0.01 mA typ. 0.1 mA at 25 °C No-load supply current less than or equal to 15 mA Switching state indicator LED, yellow Functional safety related parameters MTTF d 1640 a Mission Time (T M ) 20 a Diagnostic Coverage (DC) 0 % Approvals and certificates Protection class II Rated insulation voltage 60 V Design-impulse-voltage withstand 800 V UL approval cULus Listed, General Purpose CSA approval cCSAus Listed, General Purpose CCC approval CCC approval / marking not required for products rated less than or equal to 36 V 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