The 52041000 is a 5-piece M12 x 1.5 light grey Pressure Compensation Element. Air, which may create a vacuum in the enclosure when it cools, can suck in water etc. through the seal into the enclosure, which means that ingress protection can no longer be guaranteed. The DAE M12 pressure compensation element to compensate such variations in pressure caused by differences in temperature. When fitted, the DAE provides IP 69 K protection.
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