SIASUN SA7A-7/0.50 (SA7A-7/0.50)

On a crowded assembly line, floor space is rarely the hardest constraint. What decides whether a robot fits is the clearance above the bench, the distance to the next fixture and how steady the arm stays at the end of a fast move. The SIASUN SA7A-7/0.50 (SA7A-7/0.50) addresses all three in one compact unit: a SCARA robot that carries 7 kg across a 500mm reach. Its lighter main body and lower overall height ease space constraints, and its dual-support structure keeps vibration down when the cycle is pushed.

Robots Europa, based in Dublin, supplies the SA7A-7/0.50 to manufacturers throughout the European Union and the DACH region. We prepare each quotation around the intended application, arrange delivery to your site and remain your contact for technical support once the robot is in production. If you are comparing SCARA options for a new cell or replacing an ageing unit, Robots Europa will work through the configuration with you before anything is ordered.

Background

Siasun and the SA7A generation

Siasun presents the SA7A series as a new generation of SCARA robots, not as a revision of an earlier line. The series is built on all-new proprietary core components. A manufacturer that designs its own drive and transmission parts keeps tighter control over how they work together, which matters on a robot class judged by speed and positional accuracy. Siasun names three versions within the series: the SA7A-7/0.50 described on this page, the SA7A-7/0.60 and the SA7A-7/0.70. Each carries its own figures, and the values in this article belong to the SA7A-7/0.50 alone.

The SA7A sits within Siasun's wider range of SCARA robots, which in turn forms part of the manufacturer's broader family of industrial robots. SCARA arms move quickly and precisely in the horizontal plane while staying rigid vertically. That combination has made them a standard tool for pick-and-place, insertion and light assembly across electronics and related industries.

Dual support and modular design

Two design decisions define the series. The first is the dual-support structure, which delivers enhanced load capacity, higher precision, faster speed, greater rigidity and reduced vibration. On a SCARA, vibration at the end of a move costs settling time before the gripper can act, so a stiffer arm translates directly into a more usable cycle.

The second is modularity. The SA7A series is built from modules so that it can serve more automation scenarios while reducing maintenance costs. In practice, a modular build makes it easier to service or replace a section of the robot without treating the whole arm as a single unit. The main unit is also fitted with abundant user cables. It works with a new generation of S series control cabinet and supports multiple programming and teaching methods, so integrators can work in the way that suits their team without raising the overall machine cost.

Technical Specifications

Specifications as published by the manufacturer; Robots Europa confirms them against the datasheet at quotation. Siasun has not published the robot weight, base dimensions, maximum speed, cycle time, power supply, rated power, joint motion ranges, Z-axis stroke, operating temperature, controller communication interfaces or the contents of the delivery, so we confirm these details with you at quotation.

What does the dual-support structure change on a 7 kg SCARA?

A SCARA robot earns its place through repetition: thousands of short, fast moves, each ending with a part placed exactly where the previous one went. Two qualities limit how well it does this. The first is how precisely the arm returns to a taught point. The second is how quickly it stops moving once it gets there. The SA7A-7/0.50 has a repeatability of ±0.02mm for J1 and J2 combined, ±0.01mm on the vertical J3 axis and ±0.01° on the rotating J4 axis. For component placement and insertion, those are the figures that determine whether a fixture tolerance can be held shift after shift.

The dual-support structure works on the second quality. By supporting the arm more rigidly, Siasun reduces the vibration that otherwise lingers after acceleration and braking. A stiffer arm can also carry its 7 kg payload without giving up the precision a lighter load would allow, which widens the range of grippers and tooling that can be mounted. This matters when the end effector itself is heavy, as multi-pick grippers, vacuum manifolds and screwdriving heads often are.

The lower overall height and the lighter main body serve the same goal from another angle. Many SCARA cells are installed under enclosures, inside existing machines or beneath overhead feeders. A lower robot leaves more room for those structures, and a lighter one is simpler to mount and reposition during line changes.

Is IP20 protection suitable for my application?

The SA7A-7/0.50 is rated IP20. Under the IP code, this rating covers protection against solid objects larger than a fingertip and offers no protection against water. That is typical for SCARA robots intended for clean, dry indoor environments such as electronics assembly halls, battery module lines and laboratory-style production areas. It is not the right choice where the robot will be exposed to washdown, coolant spray or heavy dust. If your process involves any of these, please describe it when you request a quotation and Robots Europa will discuss whether additional guarding or a different robot suits the cell better.

Who is the SA7A-7/0.50 for?

The SA7A-7/0.50 suits manufacturers who need a compact, precise arm for a tightly bounded workspace. Its primary industries are 3C (computers, communications and consumer electronics), lithium battery, photovoltaic and automotive electronics, together with related sectors. In these industries, parts are small to medium in weight, cycles are short and placement tolerances are tight.

System integrators building turnkey cells will value the abundant user cables on the main unit, which simplify routing to grippers and sensors. They will also appreciate the choice of programming and teaching methods offered through the S series control cabinet. Maintenance managers running large robot fleets will look at the modular design, which Siasun developed specifically to reduce maintenance costs. Production engineers retrofitting an existing line will find the lower overall height helpful where vertical clearance is limited.

Where a cell needs a longer working radius than 500mm, the SA7A-7/0.60 and SA7A-7/0.70 are the versions to consider within the same series, each compared on its own data. For a wider choice of payload classes, the full SCARA range is the place to start.

What is the SA7A-7/0.50 used for?

1. Electronics assembly: placing and inserting components on consumer electronics and computing products in high-volume 3C production.
2. Lithium battery production: handling cells and small modules between process stations on battery lines.
3. Photovoltaic manufacturing: transferring and positioning components in the assembly of solar products.
4. Automotive electronics: assembling control units, connectors and sensor modules for vehicle electronics.
5. Pick-and-place and sorting: moving parts from feeders, trays or conveyors into fixtures at a steady cycle.
6. Screwdriving and fastening: carrying a fastening tool to repeated positions where vertical-axis precision matters.

Pricing and Availability

Robots Europa provides the SA7A-7/0.50 on a quotation basis, so that the offer reflects the configuration, controller and tooling your application actually requires. Tell us what the robot will handle, the layout of the cell and where it will be installed, and we will prepare a quotation for you. Delivery, customs and technical support are arranged together with the quotation. To begin, use the quotation request available on this page.

Frequently Asked Questions

What payload does the SA7A-7/0.50 carry?

The SA7A-7/0.50 has a payload of 7 kg (15.4 lbs). That figure applies to this version of the SA7A series.

What is the reach of the SA7A-7/0.50?

The reach is 500mm. The SA7A-7/0.60 and SA7A-7/0.70 are separate versions within the same series.

How precise is the SA7A-7/0.50?

Repeatability is ±0.02mm for J1 and J2 combined, ±0.01mm for J3 and ±0.01° for J4.

Which controller does it use?

The robot works with a new generation of Siasun's S series control cabinet and supports multiple programming and teaching methods.

Can the SA7A-7/0.50 be used in wet or dusty areas?

It is rated IP20, which suits clean, dry indoor environments. For applications with water, coolant or heavy dust, please describe the conditions so that suitable protection can be discussed.

Why is the modular design important?

Siasun designed the SA7A series to be modular so that it can adapt to more automation scenarios while reducing maintenance costs over the robot's service life.

Where can I buy the SIASUN SA7A-7/0.50 and what does it cost?

You can buy the SA7A-7/0.50 from Robots Europa, which supplies customers across the EU and the DACH region. The cost depends on configuration and delivery, so we provide it in a quotation prepared for your application.

Summary

The SA7A-7/0.50 is a SCARA robot designed for the constraints that actually shape a production cell: limited height, a fixed working radius and the need to settle precisely after every fast move. It pairs a 7 kg payload and a 500mm reach with fine repeatability on every axis. A dual-support structure provides the rigidity, while the modular build, generous user cabling and S series control cabinet keep integration and maintenance manageable. For electronics, battery, photovoltaic and automotive electronics lines in clean indoor environments, it offers a compact answer to a crowded workspace. To discuss the configuration and receive a quotation from Robots Europa, this page is the starting point.