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 rodless LEFS slider is an electric actuator with a load mounting platform situated 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, shorter length than a rod with equivalent stroke, and better positioning repeatability than a belt driven slider.  This version

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Electric Actuator/Slider Type Ball Screw Drive Step Motor (Servo/24 VDC) Servo Motor (24 VDC) LEFS16, 25, 32, 40 Series LEFS RoHS How to Order LEFS 16 100 B 1 1 S 6N 2 ' . / 4 0 ( + Size 2 Motor type 16 25 32 40 Symbol Type Applicable size Compatible controllers/driver LEFS16 LEFS25 LEFS32 LEFS40 LECP6 LECP1 LECPA Step motor (Servo/24 VDC) Nil ) ) ) ) Servo motor (24 VDC) A ) ) LECA6

6 (160.5) Cable length y 250 65 M4 x 0.7 thread depth 8 (F.G. terminal) 15 15 20 20 20 24 ( ) 3H9 depth 3 0.025 0 20 Lock cable (3.5) 24 n x 4.5 4 48 [mm] Model L 335.5 380.5 435.5 480.5 535.5 580.5 635.5 680.5 735.5 780.5 835.5 880.5 A B n D E 120 D x 120 (= E) B 10 LEFS25;-100 LEFS25;-100B LEFS25;-200 LEFS25;-200B LEFS25;-300 LEFS25;-300B LEFS25;-400 LEFS25;-400B LEFS25;-500 LEFS25;-500B

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: E (Battery-less absolute, 24VDC, Step), Lead: A (Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm), Stroke: 500mm, Motor Option: w/o Option, Auto Switch Compatibility: None, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length: R3 (3m), Controller:

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: E (Battery-less absolute, 24VDC, Step), Lead: A (Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm), Stroke: 150mm, Motor Option: w/o Option, Auto Switch Compatibility: C (with Includes 1 Mounting Bracket), Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: E (Battery-less absolute, 24VDC, Step), Lead: A (Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm), Stroke: 100mm, Motor Option: B (w/Lock), Auto Switch Compatibility: C (with Includes 1 Mounting Bracket), Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: E (Battery-less absolute, 24VDC, Step), Lead: A (Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm), Stroke: 550mm, Motor Option: w/o Option, Auto Switch Compatibility: None, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length: R3 (3m), Controller:

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: E (Battery-less absolute, 24VDC, Step), Lead: A (Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm), Stroke: 300mm, Motor Option: w/o Option, Auto Switch Compatibility: None, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length: R3 (3m), Controller:

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: Battery-less absolute, 24VDC, Step, Lead: Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm, Stroke: 500mm, Motor Option: w/o Option, Auto Switch Compatibility: None, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length: 3m, Controller: EtherNet/IPâ

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: Battery-less absolute, 24VDC, Step, Lead: Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm, Stroke: 150mm, Motor Option: w/o Option, Auto Switch Compatibility: with Includes 1 Mounting Bracket, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length:

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: Battery-less absolute, 24VDC, Step, Lead: Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm, Stroke: 100mm, Motor Option: w/Lock, Auto Switch Compatibility: with Includes 1 Mounting Bracket, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length: 3m,

Series: LEFS, Accuracy: Basic Type, Size: 25, Motor Mounting Position: In-line, Motor Type: Battery-less absolute, 24VDC, Step, Lead: Size 16: 10mm, Size 25: 12mm, Size 32: 16mm, Size 40: 20mm, Stroke: 550mm, Motor Option: w/o Option, Auto Switch Compatibility: None, Grease Application: With, Positioning Pin Hole: Housing B Bottom, Actuator Cable Type, Length: 3m, Controller: EtherNet/IPâ