CINCH Series 140 3/8" Centers #5 Screw Terminal Blocks
grabcad
Back in the old days I actually modeled these from scratch. I've seen much better parametric models that scale the # of poles much better, but these blocks here are the most anatomically correct and verified with real manual measurements. They include the correct side bevels which I see as square on 99% of the terminal block models I find "around town." They also include the correct slotted screw heads (though not the screw) and terminal strap.
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