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By Elad Inbar, RobotLAB founder & CEO — a practical guide to adopting robotics that actually delivers ROI.
About the book →RobotLAB lists this product as the Dobot "Magician Pro," but its specifications identify it as the Dobot MG400 - a desktop-grade, 4-axis industrial collaborative robot. With a footprint of just 190mm x 190mm (smaller than a sheet of A4 paper), a 440mm reach, and a maximum payload of 750g, the MG400 packs genuine production-grade capability into a desktop form factor. Its ±0.05mm repeatability and built-in collision detection make it suitable for real pick-and-place, assembly, and inspection work, not just demonstrations.
As a reseller, RobotLAB supplies the MG400 for $2,890 with a suction-cup end effector, startup instructions, and a one-year warranty with support. The robot programs three ways - hand-guidance (drag-to-teach), graphical Blockly blocks, and Lua scripting - so the same unit serves an entry-level operator and an automation engineer. Communication over TCP/IP and Modbus TCP lets it tie into PLCs, conveyors, and vision systems on a shop floor.
We position the MG400 as the bridge between desktop educational arms and full industrial cells: priced and sized for the classroom or lab, but rated for light-duty production. For organizations that need a turnkey, integrated cell, RobotLAB also offers a full MG400 Workstation bundle; this listing is the standalone arm. Call 1-87-RobotLAB for leasing, RaaS subscription, multi-unit, or deployment-and-training options.
| Model (actual) | Dobot MG400 (listed as Magician Pro) |
| Brand | Dobot |
| Robot type | Desktop 4-axis industrial cobot |
| Number of axes | 4 |
| Maximum payload | 750 g (500 g rated) |
| Maximum reach | 440 mm |
| Repeatability | ±0.05 mm |
| Footprint | 190 mm x 190 mm |
| Weight | 8 kg (17 lb) |
| Joint ranges | J1 ±160°, J2 -25°~85°, J3 -25°~105°, J4 ±360° |
| Maximum joint speed | 300 °/s (all joints) |
| Power supply | 100~240V AC, 50/60 Hz; 150W; 48V rated |
| Digital I/O | 16 inputs / 16 outputs |
| Communication | TCP/IP, Modbus TCP |
| Programming | Drag-to-teach (hand guidance), Blockly graphical, Lua scripting |
| Software | DobotStudio Pro, CRStudio mobile app |
| Safety | Collision detection |
| IP rating | IP20 |
| Operating temperature | 0° ~ 40° C |
| Included end effector | Suction cup |
| Warranty | 1-year warranty and support (via RobotLAB) |
| Purchase Price | $3,780 |
The MG400's 750g payload, ±0.05mm repeatability, and 16-in/16-out digital I/O make it a fit for loading/unloading, light assembly, gluing, and quality inspection on diversified, low-volume production lines. Its 8kg weight and tiny footprint mean it can be repositioned between workstations in minutes, ideal for manufacturers running frequent changeovers.
For engineering, mechatronics, and computer-science programs, the MG400 introduces students to a real industrial cobot - TCP/IP and Modbus TCP networking, Lua scripting, and collision-detection safety - at a desktop scale and price. It supports research into pick-and-place, machine vision (paired with Dobot's vision kits), and human-robot collaboration without a dedicated robotics cell.
In packaging, kitting, and small-parts handling, the MG400 automates repetitive transport and sorting tasks at workstation scale. Drag-to-teach programming lets line staff reconfigure routines without a controls engineer, and the 300 degrees-per-second joint speeds keep cycle times competitive for desktop throughput.
Same-day response. We handle delivery, on-site setup, staff training, and ongoing service nationwide.
No. Despite the listing name, this product's specifications (750g payload, 440mm reach, ±0.05mm repeatability, hand guidance, collision detection, Lua scripting) identify it as the Dobot MG400 - a desktop-grade industrial cobot. The educational Magician (V3 Standard) is a different, lighter-duty 4-axis arm with 500g payload, 320mm reach, and ±0.2mm repeatability. If you need confirmation of exactly which unit ships for your use case, call 1-87-RobotLAB.
Both. The MG400 is rated for light-duty industrial work - loading/unloading, assembly, gluing, and quality inspection on small-batch lines - thanks to its ±0.05mm repeatability and 16-in/16-out digital I/O. It's also widely used in higher-ed and research labs because it teaches genuine industrial concepts (Modbus TCP, Lua, collision safety) at desktop scale.
RobotLAB's standalone MG400 listing includes one MG400 arm, a suction-cup end effector, startup instructions, and a one-year warranty with support. Additional end effectors (grippers, custom tooling), vision kits, conveyors, and a fully integrated MG400 Workstation cell are available separately. Call 1-87-RobotLAB to spec a complete package.
It communicates over TCP/IP and Modbus TCP, so it can integrate with PLCs, conveyors, vision systems, and other line equipment. It provides 16 digital inputs and 16 digital outputs on the base for sensor and actuator signaling. For complex integration, RobotLAB offers deployment and training - reach us at 1-87-RobotLAB.
No. The MG400 supports three programming methods at increasing levels of sophistication: hand-guidance drag-to-teach (no code), Blockly graphical blocks, and Lua scripting for advanced automation. This makes the same robot usable by a line operator and an automation engineer. RobotLAB can provide onboarding and training.
Yes. RobotLAB sells, leases, and offers Robotics-as-a-Service (RaaS) subscriptions on Dobot arms, plus nationwide deployment, training, and service. Call 1-87-RobotLAB to discuss leasing, multi-unit pricing, or a RaaS plan that fits your budget and timeline.
The M1 is a 4-axis SCARA built for high-speed, high-precision (±0.02mm) assembly with a heavier 1.5kg payload at a higher price. The Magician E6 is a 6-axis desktop cobot offering full articulation for more complex motions. The MG400 (this product) is the most affordable desktop industrial 4-axis option, optimized for fast changeover and small-batch work. Call 1-87-RobotLAB for help choosing.
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