Cam switches Characteristics (p. 213) > CHANGE-OVER SWITCH WITHOUT "OFF" POSITION (continued) PR 26 - 32 A (AC21) Enclosure Cat. No. Designation Black small handle 64 aluminium plate 1P - 2 contacts 2P - 4 contacts 3P - 6 contacts 4P - 8 contacts ZC51DXQ 1 2 PR26 2251 D4 BCQ3 PR26 2252 D4 BCQ3 PR26 2253 D4 BCQ3 PR26 2254 D4 BCQ3 ZC51DXQ ZC52DXQ ZC53DXQ ZC54DXQ Dimensions in mm *P: 77 (1 to 4 contacts) 101 (5 to 8 contacts) 22 120 x 96 Ø28 26 P PR 40 - 50 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 HC52DQ7 Dimensions in mm *P: 60 (1-2 contacts) 30 72 Ø80 Ø28 P 6 80 (3-4 contacts) 100 (5-6 contacts) 120 (7-8 contacts) 31 *P = Depth 161 1 2 Cat. No. Designation PR40 2251 D4 E Q72MN PR40 2252 D4 E Q72MN PR40 2253 D4 E Q72MN PR40 2254 D4 E Q72MN HC51DQ7 HC52DQ7 HC53DQ7 HC54DQ7