Ug u1797-o-k3l-k2l* blank lever 3 1⁄ 4 1⁄ 4 1⁄ 47⁄ 8 15 30 2 #4-600 kcmil 4 (2) 1/0-250 twin #6-350 kcmil 10 320 amp-4 & 7 terminal-ringless-1∅3w & 3∅4w