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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Accuracy: H (High Precision Type), Size: 40, Motor Type: T6 (100W Output, Absolute Encoder), Lead, mm: A (Size 40: 16mm, Size 63: 20mm, Size 100: 25mm), Stroke: 700mm, Motor Option: B (Lock)
Accuracy: High Precision Type, Size: 40, Motor Type: 100W Output, Absolute Encoder, Lead, mm: Size 40: 16mm, Size 63: 20mm, Size 100: 25mm, Stroke: 700mm, Motor Option: Lock, Cover: -, Cable Type: -, Cable Length: -, Driver Type: -, I/O Connector: -, Option: -
Accuracy: H (High Precision Type), Size: 40, Motor Type: T6 (100W Output, Absolute Encoder), Lead [mm]: A (LEJS40, 16mm; LEJS63, 20mm), Stroke: 600mm, Motor Option: B (w/Lock)