Cam switches Characteristics (p. 213) > ON-OFF SWITCH (continued) PR 17 -20 A (AC21) Cat. No. Enclosure 22 120 x 96 Ø28 77 26 SB02AXQ PR 21 -25 A (AC21) Designation Black small handle 64 aluminium plate 1P - 1 contact 2P - 2 contacts 3P - 3 contacts 4P - 4 contacts PR17 1101 A4 BCQ3 PR17 1102 A4 BCQ3 PR17 1103 A4 BCQ3 PR17 1104 A4 BCQ3 2-screw panel mount - interval: 30 mm Grey/black small handle 48 aluminium plate and frame 1P - 1 contact 2P - 2 contacts 3P - 3 contacts 4P - 4 contacts TB01AQ1 Dimensions in mm P 1 Designation PR21 1101 A4 E Q48PN PR21 1102 A4 E Q48PN PR21 1103 A4 E Q48PN PR21 1104 A4 E Q48PN TB01AQ1 TB02AQ1 TB03AQ1 TB04AQ1 PR21 1103 A8 E Q48PN TB03EQ1 *P: 33 (1-2 contacts) 45 (3-4 contacts) 32 PR 21 -25 A (AC21) Cat. No. Enclosure 22 120 x 96 Ø28 77 TB01AXQ 0 Cat. No. 22 48 x 50 Ø28 3P - 3 contacts SB01AXQ SB02AXQ SB03AXQ SB04AXQ 26 Black small handle 64 aluminium plate 1P - 1 contact 2P - 2 contacts 3P - 3 contacts 4P - 4 contacts Designation PR21 1101 A4 BCQ3 PR21 1102 A4 BQ3 PR21 1103 A4 BCQ3 PR21 1104 A4 BCQ3 *P = Depth Catalogue No. in bold: normally in stock at distribution outlets 137 TB01AXQ TB02AXQ TB03AXQ TB04AXQ