Ifm – NN506A

Inductive sensor; Connection to switching amplifiers : yes; Switching amplifiers : connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW; Operating voltage [V] : 8.2 DC; (1kΩ); Supply voltage DC [V] : 7.5…15; (when used outside the hazardous area); Protection class : III; Actuator wiring : connection to certified intrinsically safe circuits of solenoid valves with the max. values: U = 28 V / I = 250 mA / P = 750 mW (bis 40 °C) / P = 650 mW (bis 70 °C); (When used in gas atmospheres (group II) the following maximum values are permitted: U = 28 V / P = 1,1 W; These values must not be exceeded.); Output function : 2 x normally closed; Switching frequency DC [Hz] : 500; Overload protection : yes; Sensing range [mm] : 4; Real sensing range Sr [mm] : 4 ± 10 %; Operating distance [mm] : 0…3.25; Correction factor : steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3; Hysteresis [% of Sr] : 1…15; Switch point drift [% of Sr] : -10…10; Ambient temperature [°C] : -25…70; Max. internal capacitance [nF] : 60; (per intrinsically safe circuit); Max. internal inductance [µH] : 130; (per intrinsically safe circuit); Housing : rectangular; Mounting : non-flush mountable; Materials : housing: PA; Items supplied : socket head screws: 2 x M5 x 16 | socket head screws: 2 x M3 x 25