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IP rating of Proteus 3 phase board.ABX4S1/CD

The product data sheet for the above states"IP Rating IP 3X.Thought horizontal surfaces had to be 4X,

or is does that relate only to the installation work?

                                                                                 Regards,Hz
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  • Well the requirement is IP4X or IPXXD. The latter would permit a 35mm opening through which a 1mm diameter wire should not make contact with live parts within 100mm. 

    Strange claim anyway because most boards are complete without any apertures other than screw fixing holes at the rear. I wonder is this a mistake and the claim was meant to be IPX3?
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  • Well the requirement is IP4X or IPXXD. The latter would permit a 35mm opening through which a 1mm diameter wire should not make contact with live parts within 100mm. 

    Strange claim anyway because most boards are complete without any apertures other than screw fixing holes at the rear. I wonder is this a mistake and the claim was meant to be IPX3?
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