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Model Selection3 Check Specifications Cleanroom TypeThe cleanroom type is used for transporting and positioning workpieces. When selecting a cleanroom- type model, note that the specifications are different when used horizontally versus vertically.[Positioning]For positioning motions, the criteria for selection are: (1) stroke; (2) load capacity; and (3) speed.From the table below, select a model that meets your requirements for the stroke, load capacity, and speed. For RCP3CR and RCP2CR, which use a pulse motor, the load capacity changes with speed. See the "Speed vs. Load Capacity" chart on each respective page to check if your desired speed and load capacity are supported.[How to Read the Table]Cleanroom TypeTypeSA4Load Capacity (kg)HVModel* □ denotes motor shape○ denotes encoder type *** denotes strokeRCACR-SA4C-○-20-10-*** RCACR-SA4C-○-20-5-*** RCACR-SA4C-○-20-2.5-*** RCS2CR-SA4C-○-20-10-*** RCS2CR-SA4C-○-20-5-*** RCS2CR-SA4C-○-20-2.5-***Note:If the workpiece being transported is significantly overhanging the actuator, the service life of the guide needs to be considered separately from the actuator's specifications. See "About Service Life and Moment" on page A-5 for details.Stroke (mm) and Maximum Speed (mm/sec)* Length of bar = stroke *Number inside bar = max. speed by stroke, < > denotes vertical useEncoder TypeI AI AController Input Power24V115V 230VSee PageP.415P.42550mm 100 150200 250665 330 165 665 330 1653003504004505005506007008009001000Maximum SpeedStroke RangeHorizontal Load CapacityVerticalLoad CapacityPre-25 RoboCylinder General Catalogue4 6 8 4 6 81 2.5 4.5 1 2.5 4.5