Terminal spacing in distribution box
Priority should be given to universal terminals (such as UK/NT series) with a spacing of 5. The table below details the spacing requirements at 600V based upon the equipment standards. Whether you're designing compact PCB layouts or industrial power distribution systems, selecting the correct pitch ensures reliable connections and optimal use of space. When there are many companies that make NRTL-listed distribution equipment, may I ask why you're designing something like this instead of purchasing something from a vetted manufacturer? They can do custom work that will comply with standards.
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