The 11-LEJS is the clean room version of SMC's LEJS ball screw slider. A built-in vacuum port is used to draw off particles generated by the ball screw and guide to achieve the ISO Class 4 standard. This model is fitted with an AC servo motor with incremental or absolute encoder. Optional drivers include pulse input and various communication protocols including Ethernet. 
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Series: 11-LEFS (Clean Series Ball Screw Drive), Accuracy: Basic Type, Size: 25, Motor Type: Step Motor (Servo/24 VDC), Lead: B (LEFS16, 5mm; LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm), Stroke: 400mm, Motor Option: B (w/Lock), Vacuum Port: R (Right)
Series: Clean Series Ball Screw Drive, Accuracy: Basic Type, Size: 25, Motor Type: Step Motor (Servo/24 VDC), Lead: LEFS16, 5mm; LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm, Stroke: 400mm, Motor Option: w/Lock, Vacuum Port: Right, Positioning Pin Hole: -, Actuator Cable Type: -, Actuator Cable Length: -, Controller Type: -, I/O Cable Length: -, Protocol: -, Suffix: -, Controller Mounting: -, Communication
Series: 11-LEFS (Clean Series Ball Screw Drive), Accuracy: Basic Type, Size: 25, Motor Type: Step Motor (Servo/24 VDC), Lead: B (LEFS16, 5mm; LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm), Stroke: 400mm, Motor Option: B (w/Lock), Vacuum Port: R (Right), Positioning Pin Hole: Housing B Bottom, Actuator Cable Type: S (Standard Cable), Actuator Cable Length: 3 (3m), Controller Type: 6P (LECA6 PNP,