SIASUN Industrial Robot Arm with 2658 mm Reach, 210kg Max Payload, 6 DOF (SR210A-210/2.65)

Heavy payload and fine precision usually pull an industrial robot in opposite directions: the more mass an arm carries at its flange, the harder it becomes to return that mass to the same point, cycle after cycle and shift after shift. The SIASUN Industrial Robot Arm with 2658 mm Reach, 210kg Max Payload, 6 DOF (SR210A-210/2.65) is built to resolve that tension. It carries 210 kg (463 lbs) across a reach of 2658 mm and repeats to ±0.06mm. Its reinforced wrist and high-torque output let speed and payload improve together rather than one at the expense of the other. For plants that load an arm with heavy welding guns, large grippers or bulky workpieces, this balance determines how much of a production cell a single robot can take over.

Robots Europa supplies the SR210A-210/2.65 from Dublin to customers throughout the European Union and the DACH region. Our team prepares the quotation, coordinates delivery to your site and remains your point of contact for technical questions and support after commissioning, so that procurement, logistics and aftercare are handled by a single partner. Robots Europa can also advise on the documentation your project needs for operation in the EU market.

Background

SIASUN and its robotics lineage

SIASUN is a Chinese robotics manufacturer based in Shenyang, with origins in the Shenyang Institute of Automation of the Chinese Academy of Sciences. Over the years the company has built a portfolio that extends from articulated industrial arms to mobile robots and complete automation lines. Its arms are therefore designed with system integration in mind rather than as isolated machines, which matters to manufacturers who expect a robot to fit into an existing line with its tooling, controllers and process know-how. Within that portfolio, the SR210A-210/2.65 belongs to the heavy-payload family, presented in our Large Payload category alongside other SIASUN arms for demanding handling and welding work.

A wrist-first design philosophy

In a heavy-payload arm, the wrist is where loads, torques and tooling all converge, and it is frequently where wear shows first. SIASUN has concentrated its engineering on precisely this point. The SR210A-210/2.65 uses a reinforced wrist with high-torque output, which enables simultaneous improvements in speed and payload. Critical components have a double-sealed structure for durability, and the wrist carries an IP67 protection rating. Motion is governed by SIASUN's self-developed intelligent control system, which brings integrated process packages for several industries and is compatible with welding guns and controllers from multiple brands. Taken together, these choices describe a robot intended for long, demanding duty rather than light, occasional tasks.

Technical Specifications

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

SIASUN has not published the weight, the axis speeds, the axis motion ranges, the power supply, the controller model, the operating temperature, the robot base dimensions or the wrist load moments for this model; these are confirmed at quotation.

What does the reinforced wrist mean for a heavy-payload cell?

Most limitations of a heavy robot become visible at the wrist. When an arm carries a large welding gun or a substantial gripper with its workpiece, the wrist axes must hold and reorient that load quickly, and any weakness there tends to force a compromise: either the cycle slows down to protect the mechanics, or the usable payload shrinks once the tooling is fitted. SIASUN's approach with the SR210A-210/2.65 is to strengthen the wrist and raise its torque output, so that higher speed and higher payload can be pursued together.

For a production engineer, this translates into planning freedom. A cell can be laid out around the tooling the process actually requires, rather than around what the wrist will tolerate. The double-sealed critical components and the IP67-rated wrist complement this: in welding environments with spatter and fumes, or in handling areas exposed to dust, coolant or cleaning, the sealing protects the parts that are most stressed. Robots Europa reviews your specific tool and part combination with you as part of the project discussion.

Can the SR210A-210/2.65 work with the welding equipment already in use?

Replacing a robot rarely means replacing everything around it. Many plants have invested heavily in welding guns, weld controllers and the process parameters that go with them, and an arm that forces a complete change of tooling adds cost and risk to any project. SIASUN's self-developed intelligent control system is compatible with welding guns and controllers from multiple brands, which allows existing equipment to be considered for the new cell rather than written off.

The integrated multi-industry process packages address the software side of the same question. Instead of building every application from first principles, integrators can start from prepared process functions and adapt them to the line, which typically shortens commissioning. Robots Europa asks for your equipment list during the enquiry so that the pairing of arm, gun and controller can be planned from the outset.

Who is the SR210A-210/2.65 for?

The first group of buyers comprises automotive manufacturers and their suppliers, whose body and component lines combine heavy welding guns with high cycle demands. Here, the strong wrist and the compatibility with established welding equipment are the deciding arguments. A second group consists of heavy fabrication and metalworking companies that move large parts between machines, fixtures and conveyors, where repeatability matters as much as the payload itself.

System integrators and machine builders form a third segment: they value an arm that slots into mixed equipment landscapes and comes with ready process packages. Finally, plants modernising older robot cells benefit from being able to retain welding guns and controllers they already own.

Where a cell needs a longer arm, it is worth comparing the SIASUN Industrial Robot Arm (SR210A-210/3.05-DW) and the SIASUN Industrial Robot Arm with 3053 mm Reach, 120kg Max Payload, 6 DOF (SR210-120/3.05), each described on its own page. Companies looking for a complete welding solution for heavier sections rather than an individual arm may also consider the SIASUN Medium And Thick Plate Welding Machine Set. Robots Europa is glad to help you decide which configuration suits your process.

What is the SR210A-210/2.65 used for?

1. Spot welding: carrying heavy welding guns on body and component lines, working with guns and controllers from several brands.
2. Heavy material handling: moving large castings, forgings and assemblies between stations with consistent positioning.
3. Machine tending: loading and unloading presses, machining centres and other equipment with bulky parts.
4. Assembly of large components: positioning heavy subassemblies precisely for joining or fastening operations.
5. Palletising and depalletising: stacking and unstacking heavy goods at the end of a production line.
6. Operation in demanding environments: working in areas with spatter, dust or moisture, where the sealed wrist protects critical parts.

Pricing and Availability

The SR210A-210/2.65 is supplied on quotation, because the final scope depends on the controller configuration, the tooling interface and the integration requirements of your cell. Please send us your application details, the tools you intend to use and your site location, and Robots Europa will prepare an offer tailored to your project. Delivery, customs clearance and technical support are arranged together with the quotation. The request form for your individual quotation is available on this page.

Frequently Asked Questions

What payload and reach does the SR210A-210/2.65 offer?

The robot carries a payload of 210 kg (463 lbs) and has a reach of 2658 mm. It is an arm with six degrees of freedom.

How repeatable is the robot?

The repeatability is ±0.06mm, which supports welding and positioning tasks that require consistent accuracy under heavy loads.

Is the SR210A-210/2.65 suitable for dusty or wet conditions?

The wrist is rated IP67, and critical components have a double-sealed structure. Robots Europa is happy to discuss the conditions in your plant with you.

Which control system does the robot use?

It runs on SIASUN's self-developed intelligent control system with integrated multi-industry process packages.

Can I continue using my existing welding guns?

The control system is compatible with welding guns and controllers from multiple brands. Robots Europa reviews your equipment list with you during the enquiry.

What do the integrated process packages offer?

They provide prepared process functions for several industries, allowing integrators to handle a range of manufacturing tasks without building every application from scratch.

Where can I buy the SR210A-210/2.65 and what does it cost?

You can obtain the robot from Robots Europa, which supplies customers across the EU and the DACH region from Dublin. The cost depends on configuration and project scope, so please request an individual quotation on this page.

Summary

The SR210A-210/2.65 tackles the familiar conflict between heavy payload and precise, rapid movement at the point where it is most acute: the wrist. With 210 kg (463 lbs) of payload, 2658 mm of reach and a repeatability of ±0.06mm, a reinforced, high-torque wrist, double-sealed critical components and a control system open to welding equipment from several brands, it is designed for production cells where the robot must carry real weight without giving up speed or accuracy. Robots Europa supports you from the first technical question to delivery and aftercare across the EU and the DACH region. For your quotation and project planning, this page is the starting point.