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LINACT-SMT38
Compact Marine Grade Linear Actuator

The LINACT-SMT38 Compact Marine-Grade Linear Actuator is a precision-engineered 38mm diameter unit designed specifically for high-performance aquatic environments. Bridging the gap between standard industrial units and full marine equipment, it features built-in limit switches for end-stop protection and a sleek, straight moving shaft for streamlined integration.

⚠️ Manufacture to Order: Due to the highly specialized marine construction and customizable stroke options, the LINACT-SMT38 is manufactured strictly to order. No off-the-shelf stock is available for this premium series.

Crafted with a robust 38mm outer diameter, this actuator is optimized for yacht automation and harsh outdoor environments where space is premium but reliability is non-negotiable. Whether in its standard aluminum or optional full 316 stainless steel version, it delivers high efficiency and IP67M protection.

Detailed Specifications of the LINACT-SMT38 Marine-Grade Actuator

The LINACT-SMT38 stands out with its sleek, in-line tubular design and specialized marine performance metrics. Engineered for precision in the toughest aquatic environments, it features a 38mm diameter profile that allows for seamless integration into compact spaces. The built-in limit switches ensure safe operation by automatically cutting power at full extension or retraction, protecting both your equipment and the actuator.

With customizable stroke lengths up to 500mm, this unit is manufactured strictly to order to meet your exact project requirements. For applications requiring synchronization or smart positioning, optional Dual Hall sensor feedback is available. Its robust self-locking capability ensures the actuator maintains its position under load even when power is removed, providing essential stability for yacht and outdoor automation.

General Technical Specifications

When selecting the right unit, it is important to consider the technical capabilities of the LINACT-SMT38 Compact Marine-Grade Linear Actuator. Below, we have outlined the critical performance data:

  • Max Dynamic Load: Engineered to handle up to 2300N (230kg) of dynamic force.

  • Speed: Speed ranges from 2.5mm/s at full load up to 30mm/s at full load, depending on the gear configuration.

  • Stroke Lengths:  Custom lengths between 20mm and 500mm are available on request.

  • Duty Cycle: Rated for 10% (S2). For every 2 minutes of continuous operation, it requires an 18-minute rest period.

  • Operating Temperature: It functions reliably in extreme environments between -20°C and +60°C.

For projects requiring precise control or synchronization, optional dual Hall sensor feedback systems are available. Thus, you can easily integrate the LINACT-SMT38 into advanced Marine automation setups.

 

Specification Detail
Motor Type DC Permanent Magnet Motor
Protection Built-in Limit Switches (Standard)
Standard Voltage 12VDC & 24VDC
Material (Outer Tube) 6063 Aluminum / 304 Stainless Steel 
Material (Piston Rod) 316 Stainless Steel
Max Dynamic Load 2300N 
Max Static (Self-Lock) Force Up to 3450N
Feedback Options Dual Hall Sensors 
IP Rating IP66 (Standard) or IP67M (Optional) 
Noise 60dB (Normal)
Certification CE Certified 

LINACT-SMT38 Performance Variants

LINACT-SMT38 PERFORMANCE VARIANTS

The LINACT-SMT38 Compact Marine-Grade Linear Actuator provides a comprehensive range of 8 force configurations in a slim 38mm profile. This allows for precise matching of speed and load capacity to your specific marine or outdoor application.

Max Dynamic Load (N) Self-Locking Force (N) Speed (mm/s) Max Current (A)
No Load Full Load 12Vdc 24Vdc
2300 3450 3.5 2.5 3.8 1.8
1800 3600 4.5 3.0 3.8 1.8
1200 1800 6.8 5.0 3.8 1.8
800 1600 12 8.0 3.8 1.8
600 1600 12 9.0 3.8 1.8
400 600 18 14 3.8 1.8
300 600 25 17 3.8 1.8
100 150 35 30 3.8 1.8

Dimensional Specifications

Dimensional Specifications

To ensure a perfect fit for your installation, please use the following formulas to calculate the retracted length (L) of the LINACT-SMT38. Note that the housing length increases when advanced feedback or protection modules are added.


LINACT-SMT38 Aluminum Dimensional Drawing

 

Aluminum Version (mm)
(Click to enlarge)


LINACT-SMT38 Stainless Steel Dimensional Drawing

 

Stainless Steel Version (mm)
(Click to enlarge)

📏 Installation Formulas (For Loads ≤ 800N)

 

Standard (with Limit Switches) Retracted (L) = Stroke + 200mm
With Hall Sensor Feedback Retracted (L) = Stroke + 220mm
With Over-Current Protection Retracted (L) = Stroke + 220mm

Total Extended Length = Retracted Length (L) + Stroke

*For heavy-load variants (> 800N), please add an additional 10mm to the retracted length (L) calculated above. 

Key Features & Benefits

Key Features & Benefits

  • Marine-Grade Durability: Available in an optional full 316 stainless steel construction, specifically engineered to withstand harsh saltwater and coastal environments.
  • Sleek In-Line Design: The 38mm tubular profile provides a streamlined, “in-line” aesthetic, making it perfect for visible installations where design is paramount.
  • Integrated Limit Protection: Features built-in internal limit switches for end-stop protection, preventing over-travel and protecting your equipment.
  • Precision Position Control: Optional Dual Hall Sensors provide accurate signal feedback for motor speed and stroke position judgment.
  • Advanced Protection Rating: Offers standard IP66 protection with an optional IP67M upgrade, ensuring reliability in wet and outdoor conditions.
  • Synchronous Operation: Ideal for high-end yacht automation and specialized vehicles where multiple units must move in perfect unison.

Typical Applications

Typical Applications

The LINACT-SMT38 Compact Marine-Grade Linear Actuator is engineered for applications where space is limited but performance in harsh environments is critical. Its slim 38mm profile makes it the premier choice for:

  • Yacht & Marine Automation: Ideal for automated window vents, small companionway hatches, and interior marine cabinetry where a sleek appearance is required.
  • Precision Outdoor Systems: Used in motorized pergolas, louvre windows, and solar tracking systems exposed to coastal salt air.
  • Specialized Mobility: High-end power wheelchairs and medical equipment requiring reliable, quiet, and compact motion control.
  • Robotics & Navigation: Integrated into inspection robots and navigation light positioning systems where IP67M protection is non-negotiable.

Mounting Brackets

Mounting Fixtures & Brackets

The LINACT-SMT38 uses specialized 35/38F Front and 38R End mount brackets. Refer to the drawing below for technical dimensions, followed by the hardware gallery.


LINACT-SMT38 Mounting Bracket Dimensions

Dimensional Schematic (mm)



Bracket Set Overview



Front Mount Detail



Rear Mount Detail

(Scroll or swipe to view more photos)

Download Data Sheet

Get all the essential details here. Specifically, find full specifications, precise sizes, and comprehensive performance charts for the LINACT-SMT38 series. Therefore, you can confidently download the official LINACT-SMT38 data sheet below:

Download PDF Here

Intellectual Property Notice: All technical specifications and documents remain the exclusive property of Linear Actuators South Africa (Pty) Ltd. These files may not be reproduced or shared without written consent, in accordance with Clause 16 of our Standard Terms & Conditions.

Video Demonstration

Video Demonstration: LINACT-SMT38 Compact Precision

See the compact LINACT-SMT38 in action. Ideal for precision marine tasks where space is limited, this short demonstration showcases its smooth 800N operation and sleek in-line design.

CONTACT US

Tel: +27 21 879 3034

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DELIVERY

Available on request