Cam switches Characteristics (p. 213) > CODING SWITCH (COMPLEMENTARY BCD CODE, 0 TO 9) No. of contacts 1-2 0 1 X 3-4 2 3 X X Positions 4 5 X X 6 X 5-6 X 7 X 8 9 X X X 7-8 X PR 12 - 16 A (AC21) X 1 3 2 4 5 7 6 8 2-screw panel mount - interval: 30 mm Cat. No. Designation Grey/black small handle 48 aluminium plate and frame With complete rotation possible 4 contacts NR53UQ1 22 48 42 x 40 Ø28 46 6 26 209 0 1 9 8 2 7 6 5 3 4 PR12 6503 A1 E Q48PN NR53UQ1