Close contact offers aan inductive proximity switch is offered by close contact. Following are some technical features of this inductive proximity switch which include: it is a non contact type sensor, which can sense all types of metals; . The switch is available in m6.5, m8, m12, m18, m30, m36 and m50 size in both ac and dc versions; . The dc switch works on 10-30 v dc supply with 300 ma load current. Some electrical data include: short circuit and reverse polarity protection is provided with all dc switches. Ac inductive switch works on 90-230 v ac, 50 hz supply with load capacity of 200 ma. The switch is housed in chrome plated brass housing. This proximity switch finds its applications it can be used in counting, speed sensing and motion detection applications.