... Light-On:Output indicator ON, Any one beam obstructed:Output indicator OFFResponse time<10msLight source Infrared (940nm)Loading Current120mAIndicatorTransmitter:Power(Red LED ... for each axis,for 3 axesDielectric strengthAC1500V, 60sInsulation resistance>100MΩ Infrared Area Sensor,Safety Light Curtain (Emitter+Receiver)