IP67 and IP68 enclosure ratings are identical in many ways.
Complete protection against dust and other flying particulatesComplete protection against accidental contact by workers and small objectsProtection against dripping, spraying and splashing waterProtection against pressurized water jetsProtection against submersion in up to 1 meter of water for up to 30 minutes The differences between IP67 vs. IP68 enclosures are:
An IP67 enclosure is rated to resist submersion, but only at a depth of 1 meter and for 30 minutes.An IP68 enclosure is rated to resist submersion of at least 1 meter and up to 30 minutes, plus an additional depth and length of time specified by the manufacturer.
