... 3.interference immunity 4.Fast response 1.Basic introductionSNB3230 series, sensor section size is 53 ×35,structure compact,beautiful outlook,mainly ... , 10......72)SNBxx80 (xx=02, 04, 06, 08......20)Light axis pitch 20mm, 30mm, 40mm, 80mmProtection height=(xx-1)×light ... axis pitchSNBxx20 100,140,180,220......1420mmSNBxx30 150,210,270,330...... ...