Why is this important?

• The IK protection rating helps to assess how robust a product is in harsh workshop or industrial environments.

The minimum standard for HAZET LED lights is protection rating IK 7. This means they can withstand a blow from a 500-gram hammer from a distance of 40 cm.

Wikipedia:

Impact resistance rating – this measure indicates the resilience of a plastic housing for electrical equipment. An IK10-rated housing can even withstand blows from a baseball bat, whilst an IK00-rated housing will shatter even from a punch. High-rated housings can, for example, be used in an indoor football hall or where there is a risk of vandalism.

Further explanation: https://de.wikipedia.org/wiki/IK-Sto%C3%9Ffestigkeitsgrad]

The protection ratings in detail:

IK07: Impact with a 500 g hammer from a distance of 40 cm · Impact energy 2 joules
IK08: Impact with a 1.7 kg hammer from a distance of 30 cm · impact energy 5 joules
IK09: Impact with a 5-kg hammer from a distance of 20 cm · Impact energy 10 joules

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