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What is the minimum Clearance in the air between Contactors LC2D80?

The minimum distance between contactors depends on the minimum clearance distance in the air, where our contactors comply to standard IEC 60947-1 which defines the minimum clearance distance in the air
Below find the document from the standard IEC 60947-1 attached where you will find a table & based on impulse voltage & pollution degree, the appropriate minimum clearance is defined, higlighted the required data for LC2D80

So, in our case since the reference LC2D80 is with rated impulse of 8 kV pollution degree 3, thus the minimum clearance will be 8mm (i.e. between the 1st pole of a contactor & the third pole pf the other), below find this illustrative photo

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