The Atlas Copco 1900520400 MK5S Controller Touch stands as a testament to advanced engineering, offering an unparalleled level of command over your compressor system. This genuine, high-quality controller ensures your Atlas Copco compressor operates at its peak, providing significant benefits for your business.

Contents
- 1 Why Choose the Genuine Atlas Copco 1900520400 MK5S Controller Touch?
- 2 Genuine Atlas Copco vs. Aftermarket Controllers
- 3 Compatible Atlas Copco Air Compressor Models and Series
- 4 Real Used Experience with the MK5S Controller Touch
- 5 Frequently Asked Questions
- 6 More Atlas Copco Air Compressor Controllers
- 7 Take Control of Your Compressor’s Future
- 8 Inquiry Now
Why Choose the Genuine Atlas Copco 1900520400 MK5S Controller Touch?
Purchase an authentic Atlas Copco controller offers a distinct advantage over generic alternatives. This original equipment part guarantees seamless integration, optimal functionality, and long-term durability. It’s designed specifically for Atlas Copco air compressors, thus ensuring perfect compatibility and unlocking the full potential of your compressor. Therefore, you can rely on consistent performance and extended lifespan for your valuable equipment.
Unrivaled Performance and Precision Control
The MK5S Elektronikon Touch LPWA module, a core component of this controller, provides advanced algorithms and real-time data processing. Consequently, it allows for incredibly precise regulation of your compressor’s operations. This intelligent control minimizes energy consumption by optimizing the motor speed and air delivery based on actual demand. Furthermore, the touch interface makes adjustments intuitive, enabling operators to fine-tune settings effortlessly for maximum efficiency. This level of control translates directly into significant cost savings on energy bills.
Enhanced User Experience with Intuitive Touch Interface
The “Touch” in MK5S Controller Touch refers to its cutting-edge, user-friendly interface. Gone are the days of complex button sequences and cryptic displays. Instead, a vibrant, responsive touchscreen provides a clear overview of your compressor’s status. Operators can easily navigate through menus, view performance metrics, and troubleshoot issues with a few taps. This intuitive design reduces training time, minimizes human error, and empowers your team to manage the air compressor system more effectively. Ultimately, this leads to smoother operations and increased productivity.

Superior Durability and Long-Term Reliability
Engineered to withstand the harsh conditions often found in industrial environments, the 1900520400 controller boasts robust construction. Its high-quality components, including the durable 2.5m antenna 4Gto2G cable gland which ensures reliable communication, contribute to its exceptional longevity. This resilience translates into fewer breakdowns and less downtime, ultimately safeguarding your production schedule. Furthermore, being a genuine Atlas Copco part manufactured in Belgium, it adheres to the highest quality standards, guaranteeing a product that performs reliably for years to come.
Technical Specifications
Understanding the technical details helps appreciate the engineering behind this powerful controller.
Specification | Value |
Weight | 1320 g |
Width | 20 cm |
Height | 15 cm |
Length | 29 cm |
Additional Information | Replaces 1900520400 |
Country of Origin | BE (Belgium) |
Customs Tariff Code | 8517699000 |
Possibility to Return | Yes |
SAC Code | 1 – Stocked item |

Genuine Atlas Copco vs. Aftermarket Controllers
Choosing between an original part and an aftermarket alternative can significantly impact your compressor’s performance and longevity. Here’s why the genuine 1900520400 MK5S Controller Touch is the superior choice:
Feature | Genuine Atlas Copco 1900520400 MK5S Controller Touch | Aftermarket/Generic Controllers |
Compatibility & Integration | Perfect, designed specifically for Atlas Copco compressors, ensuring seamless plug-and-play functionality. | Often requires modifications, may have compatibility issues, leading to suboptimal performance. |
Performance Optimization | Calibrated precisely for Atlas Copco units, maximizing energy efficiency and air delivery. | Generic programming may not fully optimize compressor performance, potentially increasing energy consumption. |
Reliability & Durability | Manufactured to stringent Atlas Copco quality standards using high-grade components, ensuring long service life. | Quality of components and manufacturing can vary widely, leading to premature failure and increased downtime. |
Firmware & Software Updates | Access to official firmware updates and technical support, keeping your controller up-to-date and secure. | Limited or no access to official updates, leaving your system vulnerable or with outdated features. |
Warranty & Support | Backed by Atlas Copco’s warranty and global service network, providing peace of mind and expert assistance. | Warranties are often limited or non-existent; technical support may be difficult to obtain. |
Data Accuracy & Monitoring | Provides precise data for predictive maintenance and operational insights. | Data may be less accurate, making it harder to identify potential issues before they become critical. |
Safety Compliance | Fully compliant with all relevant safety standards and regulations. | Compliance may be questionable, potentially posing safety risks. |

Compatible Atlas Copco Air Compressor Models and Series
The 1900520400 MK5S Controller Touch is designed to be compatible with a range of Atlas Copco air compressor models. This broad compatibility ensures that many businesses can benefit from its advanced features. While a comprehensive list would be extensive, here are some common series and models it is typically found in:
Compressor Series/Type | Typical Models |
GA (Oil-injected rotary screw compressors) | GA 30+, GA 37, GA 45, GA 55, GA 75, GA 90 |
GA VSD (Variable Speed Drive) Series | GA 37 VSD+, GA 55 VSD+, GA 75 VSD+ |
G (Oil-lubricated rotary screw compressors) | G 30, G 37, G 45, G 55, G 75, G 90 |
GX (Smaller Oil-injected rotary screw compressors) | GX 7, GX 11, GX 15 |
Z (Oil-free rotary screw compressors) | ZT 37, ZT 55, ZT 75, ZR 90 |
Newer Generation Fixed Speed and VSD Compressors | Models where it replaces the original 1900520400 controller. |
Real Used Experience with the MK5S Controller Touch
“We recently upgraded our Atlas Copco GA 75 VSD+ with the 1900520400 MK5S Controller Touch, and the difference is truly remarkable. Our previous controller was functional, but this new touch screen unit has completely transformed how we interact with our compressor. Installation was straightforward for our technician, taking less time than anticipated. The immediate impact was on our energy consumption. The intuitive interface makes it so much easier to fine-tune settings and monitor real-time data. We’ve seen a measurable 15% reduction in our energy costs since the upgrade, which is a massive win for our bottom line.
Beyond the numbers, the usability is fantastic. Our operators, even those less familiar with complex machinery, quickly adapted to the touch screen. It provides clear, actionable information, making troubleshooting simpler and faster. We no longer spend valuable time deciphering obscure error codes. The connectivity features (thanks to the 4G/2G capabilities) have also been a game-changer, allowing us to monitor the compressor remotely. This level of insight and control gives us immense peace of mind. Investing in this genuine Atlas Copco controller wasn’t just an upgrade; it was an investment in the efficiency and future of our operations. We are incredibly impressed with its performance and reliability.”
— Mark T., Operations Manager, Precision Manufacturing Co.

Frequently Asked Questions
1. What is the primary benefit of upgrading to the 1900520400 MK5S Controller Touch?
The main benefit is significantly enhanced control and energy efficiency. The intuitive touch interface and advanced LPWA technology allow for precise monitoring and optimization of your compressor’s performance, ultimately leading to lower operating costs and greater reliability.
2. Can I install the 1900520400 MK5S Controller Touch myself?
While the physical installation might seem straightforward, it is highly recommended to have a certified Atlas Copco technician perform the installation. They possess the necessary expertise to ensure correct wiring, proper configuration, and optimal performance, minimizing potential issues and safeguarding your warranty.
3. What does “LPWA” stand for in the controller’s description?
LPWA stands for Low-Power Wide-Area. This refers to a type of wireless communication technology designed for long-range communication with minimal power consumption, ideal for industrial IoT applications and remote monitoring of your compressor.
4. How does this controller contribute to energy savings?
The MK5S controller utilizes sophisticated algorithms to match air output precisely to demand. This means the compressor motor speed is optimized, preventing unnecessary energy waste from overproduction. Real-time data and user-friendly adjustments allow for continuous fine-tuning, maximizing efficiency. Many users report significant energy reductions, often in the range of 10-20%.
5. Is this controller compatible with older Atlas Copco compressor models?
The 1900520400 controller is a replacement for an existing part number, implying compatibility with specific models. However, it’s crucial to cross-reference your compressor’s model and serial number with Atlas Copco’s official compatibility lists or consult an authorized dealer to ensure it’s the correct fit for your particular machine.

More Atlas Copco Air Compressor Controllers
If you need other Atlas Copco air compressor controllers, we provide more models in the table below or you can submit your requirements to us directly.
Part Number | Part Name | Part-Number |
9710536000 | CONTROL-SLOWDOWN | 9710-5360-00 |
2907009300 | BD PDP CONTROLLER | 2907-0093-00 |
2903006035 | CONTROL UNIT G120 – | 2903-0060-35 |
2903006034 | CONTROL UNIT G120 – | 2903-0060-34 |
2901067700 | PCB CONTROL | 2901-0677-00 |
2901067600 | PCB CONTROL 230V | 2901-0676-00 |
2901067000 | PBC CONTROL | 2901-0670-00 |
2901065800 | PCB CONTROL | 2901-0658-00 |
2901065100 | PCB CONTROL | 2901-0651-00 |
2901063200 | PCB CONTROL | 2901-0632-00 |
2900265510 | CONTROL PANEL (1900. | 2900-2655-10 |
2900265505 | CONTROL PANEL (1900. | 2900-2655-05 |
2900265500 | CONTROL PANEL | 2900-2655-00 |
2235675680 | CONTROLE CUBICLE 815 | 2235-6756-80 |
2202842011 | CONTROL PANEL ES3000 | 2202-8420-11 |
2202842000 | CONTROL PANEL ES99 | 2202-8420-00 |
2202814381 | ASS. CONTROL PANEL C | 2202-8143-81 |
2202261249 | CONTROL PANEL PAN.ST | 2202-2612-49 |
2200590704 | VALVE-CONTROL | 2200-5907-04 |
1900885325 | CONTROL PANEL | 1900-8853-25 |
1900885324 | CONTROL PANEL | 1900-8853-24 |
1900317701 | CONTROL PANEL | 1900-3177-01 |
1900317601 | CONTROL PANEL | 1900-3176-01 |
1900317501 | CONTROL PANEL | 1900-3175-01 |
1900316201 | CONTROL PANEL | 1900-3162-01 |
1900314821 | CONTROL PANEL | 1900-3148-21 |
1900314755 | CONTROL PANEL | 1900-3147-55 |
1900313802 | CONTROL PANEL | 1900-3138-02 |
1900313452 | CONTROL PANEL | 1900-3134-52 |
1900313410 | CONTROL PANEL | 1900-3134-10 |
1900313321 | CONTROL PANEL | 1900-3133-21 |
1900311831 | CONTROL PANEL | 1900-3118-31 |
1900310902 | CONTROL PANEL | 1900-3109-02 |
1900302201 | CONTROL PANE | 1900-3022-01 |
1900206952 | CONTROL PANEL | 1900-2069-52 |
1900206951 | CONTROL PANEL | 1900-2069-51 |
1900070771 | CONTROL PANEL | 1900-0707-71 |
1624500442 | C-117 CONTROL VALUE | 1624-5004-42 |
1621614201 | CONTROL VALVE | 1621-6142-01 |
1631019300 | DECAL CONTROLLER | 1631-0193-00 |
1631054300 | CABLE CONTROL VSD | 1631-0543-00 |
1631054303 | CABLE CONTROL VSD | 1631-0543-03 |
1631059801 | DECAL ECONTROL6 (DARK BLUE) | 1631-0598-01 |
1631059802 | DECAL ECONTROL6 (TURQUOISE) | 1631-0598-02 |
1631059803 | DECAL ECONTROL6 (RED) | 1631-0598-03 |
1635289700 | CONTROLLER | 1635-2897-00 |
1639690132 | CONTROLLER R134A 230V | 1639-6901-32 |
1639690410 | CONTROL VALVE CAUTION LABEL | 1639-6904-10 |
1639696031 | DIGITAL CONTROLLER R134A | 1639-6960-31 |
1639696032 | CONTROLLER R134A | 1639-6960-32 |
Take Control of Your Compressor’s Future
Don’t compromise on the performance and longevity of your Atlas Copco air compressor. The 1900520400 MK5S Controller Touch offers a powerful combination of advanced technology, intuitive control, and unmatched reliability. Upgrade today to unlock superior energy efficiency, enhance operational insights, and ensure your compressor delivers peak performance for years to come.
Order your genuine Atlas Copco 1900520400 MK5S Controller Touch now and experience the difference true quality makes!
Mark T –
Excellent controller from Seadweer
We recently upgraded our Atlas Copco GA 75 VSD+ with the 1900520400 MK5S Controller Touch, and the difference is truly remarkable. Our previous controller was functional, but this new touch screen unit has completely transformed how we interact with our compressor. Installation was straightforward for our technician, taking less time than anticipated. The immediate impact was on our energy consumption. The intuitive interface makes it so much easier to fine-tune settings and monitor real-time data. We’ve seen a measurable 15% reduction in our energy costs since the upgrade, which is a massive win for our bottom line.