Cam switches Characteristics (p. 213) > CHANGE-OVER SWITCH WITHOUT "OFF" POSITION (continued) PR 40 - 50 A (AC21) Enclosure Cat. No. Grey/black medium handle 72 aluminium plate and frame 1P - 2 contacts 2P - 4 contacts 3P - 6 contacts 4P - 8 contacts HC52DBQ 2 PR40 2251 D4 BCF Q72MN PR40 2252 D4 BCF Q72MN PR40 2253 D4 BCF Q72MN PR40 2254 D4 BCF Q72MN HC51DAQ HC52DBQ HC53DCQ HC54DDQ Dimensions in mm *P: 107 (1 to 4 contacts) 145 (5 à 8 contacts) Ø28 30 72 135 x 170 1 Designation 6 31 P PR 63 - 63 A (AC21) 2-screw panel mount - interval: 50 mm Grey/black medium handle 72 aluminium plate and frame 1P - 2 contacts 2P - 4 contacts 3P - 6 contacts 4P - 8 contacts IC51DQ7 Dimensions in mm 30 72 Ø80 Ø28 P 6 *P: 60 (1-2 contacts) 80 (3-4 contacts) 100 (5-6 contacts) 120 (7-8 contacts) 31 *P = Depth 162 1 2 Cat. No. Designation PR63 2251 D4 E Q72MN PR63 2252 D4 E Q72MN PR63 2253 D4 E Q72MN PR63 2254 D4 E Q72MN IC51DQ7 IC52DQ7 IC53DQ7 IC54DQ7