... greatest extent.2.Specification:SNAxx20 (xx=06, 08, 10, 12……72)SNAxx30 (xx=06, 08, 10, 12……72)SNAxx40 (xx=04, 06 ... , 08, 10……72)SNAxx80 (xx=02, 04, 06, 08……20)Protection height=(xx-1)×light axis ... our website or require illustrated catalogue for more series/models. Machining Safeguard Device, safety light curtain area sensor