Cam switches Characteristics (p. 213) > CODING SWITCH WITH "OFF" No. of contacts 1-2 0 1 X 3-4 2 3 4 X X Positions 5 6 X X X 5-6 X 7 X 8 X 9 X 10 11 X X 1 3 2 4 X 5 7 6 8 X X 7-8 X PR 12 - 16 A (AC21) 2-screw panel mount - interval: 30 mm Grey/black small handle 48 aluminium plate and frame 4 contacts NR51UQ1 22 48 42 x 40 Ø28 46 6 26 207 11 10 9 8 0 1 2 7 6 5 3 4 Cat. No. Designation PR12 6501 A1 E Q48PN NR51UQ1