... 3.interference immunity 4.Fast response 1.Basic introductionSNB3230 series, sensor section size is 53 ×35,structure compact,beautiful outlook,mainly ... ,220......1420mmSNBxx30 150,210,270,330......2130mmSNBxx40 120,200,280,360......2840mmSNBxx80 80,240,400,560......1520mm3.Working principle The protector ... be made on order; Cost-effective safety device,light barrier sensor SNB3230