931 CATALOG | technical information PROTECTIONTYPES AND INSULATION CLASSES Luminaires and other electrical appliances have a housing that protects live parts from contact, moisture or other environmental influences. This protection depends on the respective area of application. In order to have an overview of the suitable application, all devices are assigned to a classified protection type and an insulation class. 1. digit protection against foreign bodies and contact 2. digit protection against water 0 no protection 0 no protection 1 arge foreign bodies [Ø > 50 mm] large body parts [e.g. back of the hand] 1 protection against vertically falling dripping water 2 medium-sized foreign bodies [Ø > 12 mm] finger 2 protection against dripping water falling at an angle [up to 15°] 3 small foreign bodies [Ø > 2,5 mm] tools and wires [Ø > 2,5 mm] 3 protection against water spray up to 60° from vertical 4 granular foreign bodies [Ø > 1 mm] tools and wires [Ø > 1 mm] 4 protection against splashing water on all sides 5 dust deposit complete protection against accidental contact 5 protection against jet water 6 dust entry complete protection against accidental contact 6 protection against jet water 7 protection against temporary immersion 8 protection against permanent immersion IP67 code letters protection against foreign bodies and contact protection against water
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