Fiber-optic amplifier for DIN-rail mounting with potentiometer, series 3#60. Distance setting by means of 12-turn potentiometer with illuminated calibration scale.Light-ON/Dark-ON outputs, as well as excess light output (except 3-pin connector model). High switching frequency: 1.5 kHz (red and blue light.) 5 kHz (high frequency). Ideal for stacking, thanks to 10 mm housing width. Easy to operate.PNP and NPN executions. Supply voltage range: 10 ... 30 VDC. Output current: 200 mA.