Cam switches Characteristics (p. 213) > 3 PHASE MOTOR SWITCH, FORWARD/REVERSE, 1 SPEED (continued) PR 17 - 20 A (AC21) 2-screw panel mount - interval: 30 mm Grey/black small handle 48 aluminium plate and frame P= 7.5 kW in 400 V 5 contacts AR 0 AV Cat. No. Designation PR17 9151 C8 E Q48PN SZ11GQ1 SZ11GQ1 22 48 x 50 Ø28 P 32 PR 17 - 20 A (AC21) Enclosure Cat. No. Black small handle 64 aluminium plate P= 7.5 kW in 400 V 5 contacts AR 0 AV Designation PR17 9151 C8 BCQ3 SZ11GXQ 22 120 x 96 Ø28 77 26 Catalogue No. in bold: normally in stock at distribution outlets 166 SZ11GXQ