SIASUN SA4A-4/0.40 (SA4A-4/0.40)

In electronics assembly, a component is either seated correctly or it becomes scrap, and the margin between the two is often measured in hundredths of a millimetre. A robot working at that scale earns its place through consistency rather than force, repeating the same motion shift after shift on a bench already crowded with fixtures, feeders and inspection cameras. The SIASUN SA4A-4/0.40 (SA4A-4/0.40) is a SCARA robot from SIASUN's new SA4A generation, built for that discipline. It combines a 4 kg payload, a 400mm reach and repeatability of ±0.01mm on its positioning axes with a lightweight, low-profile body intended for 3C and automotive electronics production.

Robots Middle East supplies the SA4A-4/0.40 to manufacturers, system integrators and technical institutions across the Middle East. Our team prepares each quotation around your application and checks the configuration against the manufacturer's documentation. Robots Middle East then arranges delivery and after-sales support, so that you work with one accountable partner from your first enquiry until the robot is running in your facility.

Background

SIASUN and two decades of engineering validation

SIASUN brings more than two decades of engineering validation and thousands of completed projects to its robot portfolio. The company's approach rests on combining robot products with applications, so that the hardware is delivered together with the know-how needed to use it productively. SIASUN states that this approach has earned the trust and support of customers around the world. For a buyer, that history matters less as a marketing point than as a practical one: a manufacturer with long project experience has usually met, and resolved, the integration problems that a new installation is likely to raise.

The SA4A generation and its own core components

SIASUN describes the SA4A series as a new generation of SCARA robots. The central change is technical: the series uses brand-new, independently developed core components, which the manufacturer credits with stronger load capacity, higher precision, faster speed, better rigidity and less vibration. Around that core, SIASUN has designed a lighter and more compact main body with a lower overall height, intended to reduce spatial constraints and to allow the robot to adapt to a wider range of application scenarios. The SA4A-4/0.40 is the version covered on this page, and every figure below refers to it alone.

Technical Specifications

Specifications as published by the manufacturer; they are confirmed against the datasheet at quotation.

The manufacturer has not published the weight, power supply, maximum speed, cycle time, mounting method, controller model, communication interfaces, operating temperature or the contents of the delivery; these details are confirmed at quotation.

How precise is the SIASUN SA4A-4/0.40 across its four axes?

A SCARA robot divides its work between joints with distinct roles. The first two joints swing the arm across the horizontal plane, the third moves the tool up and down, and the fourth rotates the tool about its own axis. Precision therefore has to be judged joint by joint, because an assembly task depends on all of them at once.

On the SA4A-4/0.40, the combined J1 and J2 repeatability is ±0.01mm, which governs how faithfully the tool returns to the same point on the work surface. The J3 axis also holds ±0.01mm, so the depth at which a part is pressed, placed or picked stays consistent. The J4 axis repeats to ±0.01°, which matters whenever a component must be oriented before it is inserted, such as a connector, a small housing or a screw bit meeting its head.

These figures are matched by what the manufacturer says about the structure behind them. Better rigidity and less vibration from the new core components mean the arm settles quickly at the end of a move, and that is what allows a precise robot to remain precise when it works quickly. For production engineers, the practical result is a machine that can be trusted with small parts and tight tolerances without constant correction.

What makes the SA4A-4/0.40 easier to fit into an existing line?

Many automation projects stall not on the robot itself but on everything around it: the space it needs, the cabling it demands and the effort required to programme it. SIASUN has addressed each of these points in the SA4A design.

The lower overall height reduces the spatial constraints that often complicate the retrofitting of an existing cell, where overhead conveyors, lighting or camera mounts leave limited vertical room. The lighter main body makes deployment convenient and simple, which helps when a robot has to be moved between stations or installed on a compact frame.

The main unit carries abundant user cables, so grippers, vacuum tools and sensors can be connected without improvised routing along the arm. The robot works with a new generation of S series control cabinet and supports multiple programming and teaching methods, allowing teams with different levels of experience to set up tasks in the way that suits them. SIASUN presents this combination as meeting more automation scenarios while keeping the overall machine cost under control, a balance that matters to any buyer planning more than one cell.

Who is the SIASUN SA4A-4/0.40 for?

The clearest audience is the 3C sector, covering computers, communications and consumer electronics, where small parts, dense boards and frequent product changes call for an accurate and adaptable arm. Automotive electronics suppliers form the second core group, as SIASUN names this industry directly among the main uses of the SA4A series. Control units, sensors and wiring components in that sector demand the same consistency at the bench.

System integrators building compact cells for clients in the region will value the low profile and the simple deployment, because both shorten the time between installation and production. Technical colleges, training centres and research laboratories that need an industrial-grade SCARA robot for teaching and development may also find the variety of programming and teaching methods useful.

The IP20 protection rating points to clean, dry indoor environments such as assembly halls and laboratories, rather than areas exposed to dust, liquids or washdown. Buyers whose parts are heavier, or whose layouts require a longer reach, should compare other models in the SIASUN SCARA range, such as the SIASUN SA7A-7/0.50 (SA7A-7/0.50), the SIASUN SA10A-10/0.60 (SA10A-10/0.60) and the SIASUN SA20A-20/0.80 (SA20A-20/0.80), each with its specifications on its own page. The complete selection is available in our SCARA category and in the wider Industrial Robots range.

What is the SIASUN SA4A-4/0.40 used for?

1. Pick-and-place: transferring small components between trays, feeders and fixtures at a steady rhythm.
2. Component insertion: seating connectors, pins and small parts where position and orientation must both be right.
3. Screw driving: presenting a driver to fastening points on housings and assemblies with consistent depth.
4. Dispensing: guiding adhesive, sealant or thermal paste along defined paths on electronic parts.
5. Inspection loading: feeding parts to cameras or test stations and sorting them by result.
6. Kitting and packaging: assembling sets of small parts and placing finished items into carriers.

Pricing and Availability

Robots Middle East supplies the SIASUN SA4A-4/0.40 on a quotation basis, so that the offer reflects your application, your configuration and your site. Please share the task you plan to automate, the parts involved and your intended installation, and our team will prepare a tailored proposal. Delivery, customs clearance and after-sales support are arranged together with the quotation. The quotation request for the SIASUN SA4A-4/0.40 is available on this page.

Frequently Asked Questions

What payload does the SIASUN SA4A-4/0.40 handle?

The SA4A-4/0.40 has a payload of 4 kg (8.8 lbs). The weight of the gripper or tool counts towards this figure, so it should be included when planning an application.

What is the reach of the SA4A-4/0.40?

The robot has a reach of 400mm. This makes it well suited to compact workstations where parts and fixtures sit close together.

How repeatable is the SA4A-4/0.40?

Repeatability is ±0.01mm for J1+J2, ±0.01mm for J3 and ±0.01° for J4. All four axes therefore return consistently to their taught positions.

Which industries is the SA4A series designed for?

SIASUN names 3C and automotive electronics as the main industries for the SA4A series. Its compact, low-profile body suits the dense layouts typical of those sectors.

Can the SA4A-4/0.40 work in dusty or wet environments?

The robot carries an IP20 protection rating, which is intended for clean, dry indoor conditions. Robots Middle East will advise on suitability for your specific site when preparing the quotation.

How is the SA4A-4/0.40 programmed?

The robot works with a new generation of S series control cabinet and supports multiple programming and teaching methods. The details of the controller and its interfaces are confirmed at quotation.

Where can I buy the SIASUN SA4A-4/0.40 and what does it cost?

You can buy the SIASUN SA4A-4/0.40 from Robots Middle East, which supplies it across the Middle East. The cost depends on your configuration and requirements, so please request a quotation through this page and our team will reply with a tailored offer.

Summary

Where tolerances are measured in hundredths of a millimetre, the right robot is the one that repeats its work without drifting, and that fits the cell rather than reshaping it. The SIASUN SA4A-4/0.40 brings together a 4 kg payload, a 400mm reach and ±0.01mm repeatability on its positioning axes with a lighter, lower body, abundant user cabling and flexible programming. Built on SIASUN's new core components and two decades of engineering validation, it is aimed squarely at 3C and automotive electronics production. Robots Middle East quotes, delivers and supports it throughout the region. For your next precise assembly cell, this page is the starting point.