ALS series limit switches box including ALS200, ALS300, ALS400, ALS500 and ALS600 series are designed and manufactured by AFL Group through advanced state-of-the-art engineering technology and its special patent technology. AFL Group have made the products with solid, beautiful shape and high-level quality. All of the ALS series Limit switches fully meet ISO5211, Namur and IP67 standards. The mechanical switch, proximity sensor, magnet sensor, ASi sensor and DeviceNet sensor are all available in the ALS series.

Based on 94/9/EC of 23 March, EN13980, EN60079-0:2006 and EN60079-1:2004 production standards, ALS400/500/600 series Limit switches flame proof limit switch box is certified for use in hazardous areas (Class I, Div. 1&2, Group A, B, C and D, Ex d IIB T6, Ex d IIC T6). Because of the stainless steel (304/316/316L) enclosure, the ALS600 series valve monitor can offer excellent resistance to most corrosive chemicals as well as hazardous industrial atmospheres.