Micro Precision Servo Actuator - TTL/PWM

Programmable Control

Precision Control

Compact Size

Certified

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Micro Precision Servo Actuator - TTL/PWM

Model: PA-12-T

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The PA-12-T is a programmable micro linear actuator with TTL or PWM communication and 7.4V or 12V operation. Its ultra-compact 1.06" stroke and low current draw make it ideal for lightweight robotics, electronics, and precision builds.

Voltage - 7.4 VDC 7.4 VDC 12 VDC

Stroke - 1.06 inch 1.06 inch

Force - 1.34 lbs 1.34 lbs 2.69 lbs

Product variants

Select 12 VDC Control Box (optional)

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Ensure you select the correct quantities of control boxes and actuators for your setup. Review the specs or contact support for assistance.

Select 7.4 VDC Control Box (optional)

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Select Compatible Bracket (optional)

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Programmable Control

Precision Control

Compact Size

Certified

Get Free Actuator Guide
Replacement chart
Actuator Comparison Tool

$123.99 CAD

Overview

[PA-12-T]

The PA-12-T Micro Precision Servo Actuator with TTL/PWM communication delivers highly accurate linear motion with positioning accuracy up to 100 μm. Featuring a servo-style cored motor with an integrated drive circuit, it provides precise positioning and smooth motion control for applications requiring exceptional repeatability.

Together with its RS-485 counterpart, the PA-12-T is the only programmable linear actuator in our product lineup. Programmable operation enables advanced motion profiles, precise positioning, and seamless integration into custom automation systems. Sample code is also available to help accelerate development for a variety of control applications.

The PA-12-T is ideal for medical equipment, automotive systems, manufacturing equipment, robotics, laboratory automation, and other applications requiring precise linear motion and programmable control. For complete specifications, customization options, and dimensional drawings, please refer to the PA-12 Data Sheet. You can also download our sample code library for various control methods.

Technology

Wire it to your board

TTL or PWM control connects straight to an Arduino or microcontroller — no adapters.

Featherweight motion

Ultra-light actuation for delicate, low-power builds — runs on 7.4V or 12V.

Precision you can trust

Positions to within 100 µm with closed-loop feedback — for surgical tools and micro-manufacturing.

Fits the tightest builds

Micro servo format slots into robotic assemblies and packed enclosures.

Ready for real environments

IP54 rated and built for a 50% duty cycle — dependable in active, repeated use.

Specifications

Force, Speed & Current

The BRK-12 Mounting Bracket is designed specifically for the PA-12-T, providing secure mounting and easy installation. Browse our Mounting Brackets collection for additional compatible mounting solutions.

Voltage	7.4 VDC	7.4 VDC	12 VDC	12 VDC
Dynamic Force	1.34 lbs	2.69 lbs	1.34 lbs	2.69 lbs
Static Force	0.67 lbs	2.69 lbs	0.67 lbs	2.69 lbs
Speed - No Load	1.42"/sec	0.47"/sec	1.42"/sec	0.47"/sec
Speed - Full Load	0.94"/sec	0.35"/sec	0.99"/sec	0.41"/sec
Current - No Load	0.03 A	0.03 A	0.03 A	0.03 A
Current - Full Load	0.46 A	0.46 A	0.33 A	0.33 A

Product Specifications

The PA-12-T is designed for direct programmable control and is not compatible with our standard actuator control boxes. Instead, it interfaces with the LC-12 Interface Controller, which includes dedicated control software for programming motion profiles, position control, and communication through TTL/PWM signals.

Product Specifications

Input Voltage:

7.4 VDC, 12 VDC

Stroke:

1.06"

Features:

TTL or PWM Communication

Feedback:

Yes

Duty Cycle:

50%

Overload Protection:

LED Indication

Operational Temperature:

-10°C to 60°C

Operating Noise:

<50 dBA

Limit Switch:

None

Cable Length:

Connector:

Molex Mini-SPOX 3-Pin

Front Mounting Hole Size:

0.14"

Rear Mounting Hole Size:

0.15"

Actuator Type:

Micro

Motor Type:

Cored DC Motor

Screw Type:

Metric Coarse Thread

Stroke Rod Material:

Stainless Steel

Housing Material:

Polyformaldehyde

Gear Material:

Polyketone

Certifications:

CE, RoHS

Compatible Mounting Brackets:

BRK-12

Warranty:

18 Months

Length & Weight

Compatible Accessories

The PA-12-T is commonly used in medical devices, laboratory automation, robotics, automotive systems, precision manufacturing, and research equipment where compact size, programmable operation, and highly accurate linear positioning are essential.

Brackets Compatibility

Technical Information

Following a set of standards is crucial for businesses to ensure their products and services can meet a level of quality that promotes customer satisfaction. At Progressive Automations, we aim for nothing but the best for our customers and strive toward continual improvements. Because of this, we are excited to announce that Progressive Automations is now ISO 9001:2015 certified!

Quality Assured

Data Sheets

PA-12-T User Manual

User Manual for PA-12-T

View

PA-12 Position Control Communication Protocol

Position Control Communication Protocol for PA-12

View

PA-12 Arduino Coding

Arduino Coding for PA-12

View

2D/3D models

2D/3D models

Knowledge base

ISO Quality

FAQ

What level of positional accuracy does the PA-12-T provide and how is it achieved?

The PA-12-T has up to 100µm actuator accuracy with its embedded drive circuit and TTL control for communication to achieve fine positioning.

What are the differences between TTL/PWM and RS-485 versions of the PA-12 actuator?

The PA-12 TTL/PWM programmable actuator requires the TTL/PWM communication protocol and uses a cored DC motor, while the RS-485 version requires the RS-485 communication protocol and uses a coreless DC motor.

What control systems are compatible with the PA-12-T and how is it programmed?

The PA-12-T is compatible with the LC-12 interface controller and is programmed via our control interface software that comes with every PA-12 actuator.

Is the PA-12-T actuator suitable for medical or other high-precision applications?

Yes, the PA-12-T high-precision actuator is suitable as a medical actuator in use cases such as surgical tools and micro-manufacturing systems.

What mounting bracket is used with the PA-12-T and how does it support compact installations?

The PA-12-T uses the BRK-12 bracket, which is designed with a small footprint for compact actuator installations with limited space.

Industry Insights

Blog Post

Download The Testing Guide

This guide will outline essential steps and the process of evaluating a sample actuator. We include a checklist to ensure all the requirements are met.

Top 10 Questions We Get from Our OEM Customers

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Discover with Experts

Check out our videos showcasing our full range of linear actuators, presented by our team of expert engineers

Stroke Length	Retracted Hole-to-Hole Length	Extended Hole-to-Hole Length	Weight
1.06"	2.99"	4.05"	0.23 lbs

Product name	Actuator Model	Compatible Mounting Brackets	Optional Accessories
Micro Precision Servo Actuator - TTL/PWM	PA-12-T	BRK-12 (1.06" stroke only)	LC-12 (PC Interface Controller)

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Micro Precision Servo Actuator - TTL/PWM