aluTWIN
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Two-chamber design with separate connection spaces
- Space-saving single-channel fixing technology
- Also available with front plate for front control panels
Product description
aluTWIN is a range of high-performance dual-chamber diecast aluminum enclosures for heavy duty electronics and electrical equipment.
The design offers the option of installing the electronics and terminals in separate sections to protect them from each other during installation and servicing. The enclosures are based on our aluNORM product range and are weatherproof and watertight to IP 66. Threaded screw bosses are provided inside for fitting circuit boards, mounting plates etc.
We can supply aluTWIN enclosures fully customized to your requirements.
Product overview
Technical data
| Enclosure sizes | 4 |
| Additional info | Secure connection technology due to the printed circuit boards or series terminals in connection spaces that can be opened separately |
| Both chambers can be separated with the isolation wall included | |
| Different lid variants | |
| Specially developed external mounting brackets made from diecast aluminum | |
| Enclosure | Diecast aluminum alloy |
| EN AN-44300 DIN EN 1706 | |
| (GD Al Si 12/DIN 1725) | |
| 1° mold slope for casting ejection > internal circumference dimensions decrease by 1° towards enclosure bottom. | |
| Fastening | Space-saving single-channel technology for lid and fastening screws outside of the enclosure interior |
| Internal mounting | Fastening thread in lateral bars on the enclosure base. |
| Ingress protection | IP 66 / EN 60529 |
| Optional: IP 67 | |
| Gasket | Chloroprene O-ring gasket (CR) |
| or TPE molded gasket, silicone-free | |
| Optional: Silicone gasket | |
| Lid screws | Stainless steel 1.4567, captive |
| Surface | Powder coating |
| Bottom: RAL 7035 | |
| Lid: RAL 7040 | |
| Optional: Special colors | |
| Optional: Corrosion protection | |
| Customizing | Learn more about our full customizing service for installation-ready enclosures |
Application examples
Find out more about the product in the video
Watch the video to find out more about aluTWIN and get a clear impression of the product. The video gives you the chance to experience aluTWIN from different angles and get an initial overview.
Frequently Asked Questions
The required protection rating depends on the environmental conditions to which the enclosure is exposed. Depending on the product, ROLEC offers protection ratings ranging from IP 54 to IP 69K, providing solutions for a wide variety of applications—from dusty production environments to high-pressure cleaning.
ROLEC enclosures are designed for continuous use in demanding industrial environments. Their mechanical durability is described, among other things, by the IK protection rating and depends on the material, design, and application.
We would be happy to recommend the right enclosure solution for your mechanical requirements.
Yes. Upon request, we can deliver your housing fully machined and ready for assembly.
Our range of services includes, among other things:
• Drilling, milling, and thread cutting
• Cutouts for displays and control elements
• Integration of HMI components
• Engraving, screen printing, and digital printing
• Custom surface finishes
This way, you receive a complete, ready-to-install solution from a single source.
The durability of a housing depends on the material used and the specific operating conditions.
Factors that influence durability include, for example:
• Chemicals and cleaning agents
• UV radiation
• Moisture and salt water
• Temperature
• Mechanical stress
Your personal contact will help you select the right material for your application.
Depending on the product, various approvals and certifications are available.
These include, among others:
• IP protection ratings
• UL approval
• DNV approval
• CSA approval
We’d be happy to check on a case-by-case basis which certifications are available for the product you’re interested in.
Yes. ROLEC offers various options for customizing the color of your enclosures, HMI enclosures, and support arm systems.
Depending on the application, the following options are available, among others:
• Powder coatings in nearly all RAL colors
• 2K wet paint finishes
• Highly weather-resistant coatings
• Surface treatments such as SurTec 650
The appropriate coating depends on the environmental conditions and your design requirements.
Yes. In addition to our extensive standard product line, we offer numerous options for customization.
Our product lines, for example, are particularly flexible:
• multiPANEL
• profiPANEL
• mobilCASE
In addition, we can also produce project-specific custom sizes and customer-specific designs on a case-by-case basis.
Yes. ROLEC offers various methods for permanent, high-quality marking of your enclosures.
These include, among others:
• Screen printing
• Digital printing
• Engraving
• Company logos and custom markings
The labeling is precisely tailored to your corporate design and technical requirements.
Yes. Given the wide variety of enclosure series, materials, and configuration options, we definitely recommend a personalized consultation.
Our experts will help you select the right enclosure solution and guide you from the initial idea to the finished product. In many countries, we also offer on-site consultations. Find your personal contact here.
Yes. In addition to an extensive standard product line, ROLEC also develops and manufactures custom enclosure solutions for a wide variety of applications.
Depending on the project, we offer, among other things:
• Custom machining
• Special dimensions
• Special colors and finishes
• Custom labeling
• Integration of control elements and displays
• Complete, ready-to-install solutions
Even for small quantities, we work with you to develop a solution that is precisely tailored to your requirements.
Yes. ROLEC offers special EMC enclosures that reliably protect sensitive electronics from electromagnetic interference. The conFORM and conTROL series are unique standard EMC enclosures that do not require any additional, expensive sealing solutions.
Depending on the product, various shielding concepts are also used, such as conductive gaskets or a special EMC coating. As a result, many of our enclosures are particularly well-suited for applications with high electromagnetic compatibility requirements. We’d be happy to advise you on selecting the right EMC solution!
Delivery time depends on the selected enclosure series and the scope of the requested customization. Many standard enclosures are available on short notice. Custom solutions involving machining, labeling, or assembly may take a little longer, depending on the project.
Thanks to our manufacturing facilities in Germany and efficient production processes, we can also complete custom projects quickly. We’d be happy to provide you with the delivery time for your desired configuration.
Yes. Upon request, ROLEC will provide you with much more than just an empty enclosure.
Among other things, we handle:
• mechanical machining
• assembly of components
• installation of display panels
• integration of membrane keyboards
• assembly of HMI components
• custom labeling and surface finishes
You’ll receive a complete, ready-to-install solution that’s precisely tailored to your application. This reduces assembly effort, saves time, and provides you with a single point of contact throughout the entire project.
For outdoor use, ROLEC offers various enclosure series made of aluminum, plastic, or polyester. The right solution depends on the specific environmental conditions—such as UV radiation, humidity, temperature, or chemical exposure.
Many of our enclosures meet high protection ratings up to IP 69K and are specifically designed for long-term outdoor use. We’d be happy to assist you in selecting the right enclosure solution.
Yes. Many ROLEC enclosures are designed for continuous outdoor use and offer high UV resistance.
Depending on the enclosure series, specially selected materials or high-quality surface coatings are used to ensure that color, function, and stability are maintained over the long term, even under intense sunlight. We’d be happy to advise you individually on which model is best suited for your application.
The permissible temperature range depends on the specific enclosure series and the material used.
Depending on the model, our enclosures are suitable for both very low and high ambient temperatures. In addition to the material, seals, surfaces, and the installation situation also influence the permissible temperature range.
We would be happy to recommend the right enclosure for your operating conditions.
ROLEC enclosures typically have very high protection ratings. Depending on the series, protection ratings of IP 66, IP 67, IP 68 (1.2 m; 2 h), and IP 69K are available and offer reliable protection against water and dust.
Whether an enclosure is suitable for splashing water, temporary submersion, or high-pressure or steam jet cleaning depends on the specific protection rating. We’re happy to assist you in selecting the appropriate IP protection class.
ROLEC offers industrial enclosures made from a variety of materials to optimally meet the needs of a wide range of applications.
Materials used include:
• Aluminum
• Polyester (GFRP)
• ASA
• ABS
Each material has specific properties in terms of strength, corrosion resistance, UV resistance, weight, and chemical resistance. Together, we’ll find the right solution for your application.
Yes. We’d be happy to provide you with a sample of our products upon request.
In addition, we support you in the development of prototypes and manufacture them, including machining, labeling, or custom features. This allows you to reliably test fit and function even before mass production begins.

