Product review (5 stars): Insert the 175 amp in the same location and tighten screws to recommended torque. It took less than 10 minutes
I had to derate my 200 amp main, for my 12.5 kw solar system, to a 175 amp main. Replacing it was a breeze. Remove the main and leave the buss in. Insert the 175 amp in the same location and tighten screws to recommended torque. It took less than 10 minutes. Be sure to wear flash protection if you are working the system HOT!