IP 65

1) Protection from ingress of dust and complete protection against electric shock.

2) Protection from water jets from any direction.

IP 67

IP 67 includes the protection from ingress of dust, as well as the complete protection against electric shock. In addition this class offers protection against water when the housing is immersed in water under defined pressure and time conditions.

IP 68

Water must not enter in a quantity that will produce harmful effects if the housing is continuously immersed in water under the conditions specified between the manufacturer and the user. The conditions must however be more difficult than in IP 67.

IP 69K

Protection from ingress of water during high-pressure cleaning with pure water at a water pressure of 8,000 to 10,000 kPa and a water temperature of +80 °C. The pressurization period is 30 seconds per position. Because this test procedure distinctly differs from the other IP tests, devices with the test seal IP 69K do not automatically have protection class IP 67 or IP 68. Solely devices with protection class IP 67 also have the underlying protection classes as well.

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