Cam switches Characteristics (p. 213) > 1 SPEED STARTER, FORWARD/REVERSE - 3 PHASE MOTOR (continued) PR 12 - 16 A (AC21) Cat. No. Enclosure Designation Black small handle 64 aluminium plate P= 4 kW in 400 V 10 contacts ∆ Y 0 Y ∆ PR12 9153 C8 BCQ3 NZ13GXQ NZ13GXQ 22 120 x 96 Ø28 101 26 PR 17 -20 A (AC21) 2-crew panel mount - interval: 30 mm Grey/black small handle 48 aluminium plate and frame P= 7.5 kW in 400 V 10 contacts SZ13GQ1 22 48 x 50 Ø28 81 32 172 ∆ Y 0 Y ∆ Cat. No. Designation PR17 9153 C8 E Q48PN SZ13GQ1