SMC Corporation of America
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The LEF series slider type electric actuator features a low profile height of 46mm *. The actuators main body can be mounted without removing any exterior components, such as the cover, making installation easy. The standard equipped seal band covers the guide, ball screw and belt, preventing grease and external foreign matter from splashing and entering the LEF. There are 2 types of drivers

The LEFS slider features a load mounting platform above a ball screw drive.  A flexible seal band permits platform travel while preventing foreign matter from entering the drive.  Slider advantages include a low profile height and shorter length than a rod with equivalent stroke.  The optional parallel mounted motor places the motor alongside the platform axis.  This arrangement

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Motorless Type Electric Actuator/Slider Type Ball Screw Drive LEFS Series LEFS25, 32, 40 How to Order LEFS 100 A 25 q e y NZ w r t H R q Accuracy r Motor type e Motor mounting position y Stroke [mm] t Lead [mm] Nil Basic type H High precision type 50 50 to to 1200 1200 Nil In-line R Right side parallel L Left side parallel Symbol LEFS25 LEFS32 LEFS40 H 20 24 30 A 12 16 20 B 6 8 10 Symbol

Stroke [mm] 25 32 40 LEFS25 12 6 LEFS32 16 8 LEFS40 20 10 Symbol Type Actuator size Output (W) Compatible drivers 100 to 1000 Symbol A B S2 S3 S4 LECSA;-S1 LECSA;-S3 LECSA2-S4 LECSB;-S5 LECSC;-S5 LECSS;-S5 LECSB;-S7 LECSC;-S7 LECSS;-S7 LECSB2-S8 LECSC2-S8 LECSS2-S8 100 200 400 25 32 40 AC servo motor (Incremental encoder) Refer to the table below for details.

Size: 25, Motor Mounting: Top Mounting Type, Motor Type: T6 [AC Servo Motor, (Absolute Encoder), Output 100W], Lead: C [LEY25, 3mm; LEY32, 4(5)mm], Stroke: 50mm, Motor Option: B (w/Lock), Rod End: Rod End Female Thread, Mounting: Ends Tapped (Standard), Actuator Cable Type: S (Standard Cable), Cable Length: 5 (5m)

Series: LEFS (Ball Screw Drive), Accuracy: Basic Type, Size: 32, Motor Mounting Position: In-line, Motor: Step Motor (Servo 24 VDC), Lead Screw: B (Size 16: 5mm, Size 25: 6mm, Size 32: 8mm, Size 40: 10mm), Stroke: 50mm, Motor Option: B (w/Lock), Auto Switch Mounting Bracket: None, Grease Application: with, Positioning Pin Hole: Housing B, Bottom, Actuator Cable: S (Standard Cable), Actuator

Series: Ball Screw Drive, Accuracy: Basic Type, Size: 32, Motor Mounting Position: In-line, Motor: Step Motor (Servo 24 VDC), Lead Screw: Size 16: 5mm, Size 25: 6mm, Size 32: 8mm, Size 40: 10mm, Stroke: 50mm, Motor Option: w/Lock, Auto Switch Mounting Bracket: None, Grease Application: with, Positioning Pin Hole: Housing B, Bottom, Actuator Cable: Standard Cable, Actuator Cable Length: 5m

Size: 25, Motor Mounting: Top Mounting Type, Motor Type: T6 [AC Servo Motor, (Absolute Encoder), Output 100W], Lead: C [LEY25, 3mm; LEY32, 4(5)mm], Stroke: 50mm, Motor Option: w/Lock, Rod End: Rod End Female Thread, Mounting: Ends Tapped (Standard), Actuator Cable Type: Standard Cable, Cable Length: 5m, Controller Type: -, I/O Connector: -

Series: LEFS (Ball Screw Drive), Accuracy: H (High Precision), Size: 25, Motor Mounting Position: In-line, Motor Type: T6 (100W Output, Absolute Encoder), Lead: B (LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm), Stroke: 50mm

Series: LEFS (Ball Screw Drive), Accuracy: H (High Precision), Size: 25, Motor Mounting Position: In-line, Motor Type: T6 (100W Output, Absolute Encoder), Lead: B (LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm), Stroke: 600mm

Series: Ball Screw Drive, Accuracy: High Precision, Size: 25, Motor Mounting Position: In-line, Motor Type: 100W Output, Absolute Encoder, Lead: LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm, Stroke: 50mm, Motor Option: -, Auto Switch Mounting Bracket: -, Grease Application: -, Positioning Pin Hole: -, Cable Type: -, Cable Length: -, Driver Type: -, I/O Cable Length: -

Series: Ball Screw Drive, Accuracy: High Precision, Size: 25, Motor Mounting Position: In-line, Motor Type: 100W Output, Absolute Encoder, Lead: LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm, Stroke: 600mm, Motor Option: -, Auto Switch Mounting Bracket: -, Grease Application: -, Positioning Pin Hole: -, Cable Type: -, Cable Length: -, Driver Type: -, I/O Cable Length: -

Series: LEFS (Ball Screw Drive), Accuracy: H (High Precision), Size: 25, Motor Mounting Position: In-line, Motor Type: T6 (100W Output, Absolute Encoder), Lead: B (LEFS25, 6mm; LEFS32, 8mm; LEFS40, 10mm), Stroke: 300mm, Motor Option: w/o Option, Auto Switch Mounting Bracket: None, Grease Application: with, Positioning Pin Hole: Housing B, Bottom, Cable Type: S (Standard Cable), Cable Length