I trust you believe that it will not fit.
Originally Posted by racerdave3
It would be very odd if in fact it did not accept the conductors listed on the breaker.
If after making sure the screw was out as far as possible and making sure the conductor strands where in perfect alignment, not ovaled, etc. it still did not fit I would start to suspect I had a counterfeit imported piece of junk.
Most systems work best if they are kept simple rather than made complicated; therefore simplicity should be a key goal in design and unnecessary complexity should be avoided.