Product Features1.Have a perfect self-examination system that the wrong signal will not be sent to the appliance when the safety light curtain fails2.Strong anti-interference ability: has good anti-interference ability to electromagnetic signal,Website:, strobe light, welding arc and surrounding light sources.3.Easy to install and adjustable, simple wiring and beautiful appearance in accordance with European design standards4.Surface mount technology for superior shock resistance.5.IEC61496-1/2 standard of Type 4 and has passed CE certification, Type 2, Type 4.6.Short reaction time (�15ms), Safe and reliable.7.30 * 30mm width and thickness, effectively reduce the installation space; safety light curtain is connected to the cable through the aviation plug connector, which enables accurate, quick and simply assemble, dismantle and wiring.8.All electronic components of this safety light curtain are produced by world-renowned brands.9.The position of the incident light is simple, clear, and the easy-to-confirm optical axis adjustment efficiency.10.Building safety circuit without install relay module.11.Not affected by the detection width, realizes high-speed response below 15ms.Selection DiagramWiring DiagramFAQ1. Q: How many beams are there in this safety light curatin?A: The QC series has a maximum of 72 beams.2. Q: Is the data line of this safety light curatin all the same?A: No, usually the transmitter's data lines are 4 cores, but less than 32 beams, the receiver's data line is 5 cores, and the receiver between 32 beams to 72 beams is 6 cores.3. Q: How many kinds of output are there in this safety light curatin?A: There are 4 kinds of output: 1) NPN NC (default factory mode)  2) NPN NO  3) PNP NC  4) PNP NO;4. Q: How long is decetion range of this safety light curatin?A: There are 2 decetion range for you to choose: A: 0.-3M; B: 0-6M;5. Q: What is the voltage of the safety light curatin?A: DC12-24V.