Cam switches Characteristics (p. 213) > 3 PHASE MOTOR SWITCH, FORWARD/REVERSE, 1 SPEED (continued) PR 40 - 50 A (AC21) 2-screw panel mount - interval: 50 mm Grey/black medium handle 72 aluminium plate and frame P= 18.5 kW in 400 V 5 contacts AR 0 AV Cat. No. Designation PR40 9151 C8 E Q72MN HZ11GQ7 HZ11GQ7 30 72 Ø80 Ø28 100 6 31 PR 40 - 50 A (AC21) Cat. No. Enclosure Grey/black medium handle 72 aluminium plate and frame P= 18.5 kW in 400 V 5 contacts HZ11GCQ 30 72 135 x 170 Ø28 145 6 31 169 AR 0 AV Designation PR40 9151 C8 BCF Q72MN HZ11GCQ