UKSYS1%TEXT11 SQD99----0057-0-3a1 LCP: 5001 CMS: 813- 0 OP:CD COMP:24-09-99 Hour:12:03 Zoom:100 Colour:CMYK CLASS SQUARE D INDUSTRIAL CONTROL PRODUCTS 9012 3a INDUSTRIAL PRESSURE SWITCHES Type A 1 Heavy duty switch for virtually any Bellows Actuated Pressure Switches Type ACW ................ 3a2 industrial application involving air, water, Piston Actuated Pressure Switches Type ADW.................. 3a3 steam or oil Differential Pressure Switches Type AEW ...................... 3a4 1 Bellows, piston and diaphragm actuated types Pressure Switch selection guide.............................. 3a5 1 Settings externally adjustable by Accessories............................................... 3a6 screwdriver or accessory plastic knob Replacement Parts......................................... 3a6 1 Gasketed die cast enclosure oil, coolant and moisture tight to IP65 Modification Kits........................................... 3a6 1 Mechanism incorporates hardened parts Technical Data ............................................ 3a7 3a8 and short travel characteristics for long mechanical life under severe conditions Dimensions............................................... 3a9 3a10 1 Double break snap switch with silver contacts, single or double pole 1 Fully user serviceable 3a1UKSYS1%TEXT11 SQD99----0058-0-3a2 LCP: 5001 CMS:813- 0 OP:CD COMP:24-09-99 Hour:12:03 Zoom:100 Colour:CMYK Class INDUSTRIAL PRESSURE SWITCHES Type ACW 9012 Bellows Actuated Pressure Switches For use on Air, Oil, Water, other liquids and Gases. Ingress Protection IP65 4 (IEC 144) Type ACW Bellows actuated pressure switches Single pole double throw contacts (1NO+1NC) Range setting Adjustable Differential Switch can be adjusted Add to range setting Maximum Order to operate on Falling to obtain operating allowable Class 9012 pressure within this point on Rising pressure range pressure Bars PSI Bars PSI Bars PSI Type... 1 0.1 0.7 110 0.04 0.3 25 2 30 ACW-3 0.1 1.3 120 0.07 0.4 16 2 30 ACW-4 0.1 5.1 175 0.3 1 415 7 100 ACW-5 0.1 7.5 1110 0.5 2 730 17 255 1ACW-1 1.4 12 20180 0.7 2 1030 17 255 1ACW-8 0.7 18 10265 1.1 1.7 1525 20 300 ACW-9 0.7 20 10300 1.7 8.6 25125 41 600 ACW-2 5.2 34 75500 3.5 8 50120 137 2000 ACW-6 10.4 69 1501000 5.9 10 85145 137 2000 ACW-7 24.1131 3501900 11 20 150300 172 2500 ACW-10 Replacement Snap Switch assembly Class 9007 Type AO-1 Double pole double throw contacts (2NO+2NC) Range setting Adjustable Range setting Differential Switch can be adjusted Add to range setting Maximum Order to operate on Falling to obtain operating allowable Class 9012 pressure within this point on Rising pressure range pressure Bars PSI Bars PSI Bars PSI Type... 3 0.1 0.7 110 0.06 0.4 47 2 30 ACW-23 0.1 1.3 120 0.14 0.7 210 2 30 ACW-24 0.1 5.1 175 0.5 1.3 620 7 100 ACW-25 0.1 7.5 1110 0.9 2.7 1340 17 255 ACW-21 1.4 12 20180 1.1 2.7 1540 17 255 ACW-28 0.7 17 10250 1.6 2.4 2335 20 300 ACW-29 0.7 20 10300 2.5 10.3 35150 41 600 ACW-22 5.2 34 75500 5.9 11 85160 137 2000 ACW-26 10.4 69 1501000 9.3 13 135200 137 2000 ACW-27 24.1131 3501900 16.6 24 240350 172 2500 ACW-20 Replacement Snap Switch assembly Class 9007 Type CO-3 Connection data 1 Pressure connection: G 4N to BS2779 Conduit (Electrical) entry: Form M11 (standard), 20mm Iso metric Form M12, PG13.5 DIN 40430 Note: NPT Threads available to special order 1 On Form H3 devices, the minimum adjustable differential is 1 2 times that quoted, except on types ACW 6, 7 & 10 where minimum differential is twice the quoted figure. Spare Parts ........... Page 3a6 Ordering Instructions Accessories........... Page 3a6 State... Class, Type and Form No. Technical Data ........ Pages 3a7 and 3a8 (where applicable, see page 3a6) Dimensions ........... Page 3a9 Eg: Class 9012 Type ACW-3 Form P2 4 When fitted with suitable cable gland or adequately sealed conduit entry Tested to BS 6134 1981 1 Registered with the Loss Prevention Council as suitable for use in sprinkler systems. 3a2