What Is DIN Rail Mounting? DIN Rail Mount Guide for Industrial Computers

DIN rail mounting is an important solution for securing electrical components in enclosures. It increases the efficiency of automation systems. The system is characterized by its compact design and complies with the EN 60715 standard for easy compatibility.

This mounting method is essential for keeping control panels, terminal blocks, and PLCs organized. It helps create a clean and uncluttered workspace for industrial applications. Using DIN rails simplifies wiring and facilitates installation, thereby improving the performance of electrical components.

DIN rail mounting is becoming more important as industrial automation systems require compact, standardized, and service-friendly cabinet layouts. According to Proax’s 2025 DIN rail guide, DIN rail has become a “backbone of modern electrical control panels and equipment racks,” widely used to organize components such as terminal blocks, relays, power supplies, PLCs, and industrial control devices. For manufacturers, system integrators, and automation engineers, understanding DIN rail mount solutions helps improve cabinet space utilization, wiring efficiency, maintenance speed, and long-term system reliability.

• DIN rail mounts offer an efficient method for mounting electrical components
• They comply with EN 60715 standards, promoting compatibility between brands.
• Compact design allows for optimized use of space in control panels.
• Installation is simplified, thereby reducing labor and time required for automation systems .
• Improves organization and functionality in industrial environments.

DIN rail mounting is a standardized method for installing electrical, electronic, and industrial control components onto a metal rail inside an electrical cabinet, control panel, machine enclosure, or equipment rack.

Instead of drilling separate holes for every device, engineers can mount compatible components directly onto a DIN rail using clips, brackets, or adapters. This makes installation faster, keeps wiring organized, and allows devices to be replaced or repositioned more easily during maintenance.

DIN rail mounting is commonly used for:

- circuit breakers
- terminal blocks
- relays
- power supplies
- PLC modules
- industrial switches
- embedded industrial computers
- DIN rail mount industrial PCs
- IoT gateways
- signal converters
- control cabinet accessories

For industrial computer projects, DIN rail mounting is especially useful because it allows compact embedded computers to be installed directly beside PLCs, power supplies, and communication modules inside the same cabinet.

DIN rails are indispensable in many industrial environments. Knowing the different types helps in selecting the optimal solution for specific needs. There are many profiles, each with special features for different applications

Common DIN rail profiles

The most important types of DIN rails are:

• DIN rail : Also called TS35 rail , it is valued for its flexibility and offers space for many mounting options.
• TS15 rail : This narrow rail is perfect for small devices and saves space in tight areas.
• C-profile rail : Strong and robust, it is used for demanding tasks where solid support is required.
• G-profile rail : Similar to the C-section, but with design optimizations, it meets special mounting requirements.
• Symmetrical rail : It is flexible and allows fittings to be mounted from both sides.
• Asymmetrical rail : Unlike symmetrical rails, it offers specific alignments for precise installations.

Choosing the right DIN rail profile is crucial for system success. It ensures that the solutions fit perfectly into industrial environments.

• DIN rails contain essential components that ensure better functionality and organization in electrical systems. These include circuit breakers, terminal blocks, relays, PLCs, motor controllers, and power supplies. Each of these components has a specific function to guarantee smooth and safe operation.
• Circuit breakers protect against overvoltage and short circuits. They react quickly to prevent damage, which is crucial for safe electricity use.
• Terminal blocks ensure that the cables are connected correctly. This simplifies troubleshooting and increases the reliability of the systems.
• Relays and PLC systems help control machines. They enable the handling of more complex tasks and thus improve work performance.
• Engine control systems ensure smooth engine operation and efficient machine performance. This is particularly important when smooth operation is essential.
• Power supplies provide all components of a system with electricity. They must function flawlessly for everything to work as intended.
• Mounting these components on DIN rails simplifies installation. It also makes it easier to maintain the devices and add new components as technology evolves. Understanding how these components interact contributes to the development of robust electrical systems.

• DIN rails are crucial for increased efficiency and safety in many industries. In industrial automation, they provide a stable mounting location for circuit breakers and control devices. This allows for quick setup and modifications, which is essential in fast-paced industrial environments.
• In the renewable energy sector, DIN rails are used to secure solar power and battery systems. They ensure the correct installation of electrical components, thus guaranteeing the reliability and safety of renewable energy systems.
• Lighting control systems also benefit from DIN rails. Their small size facilitates the integration of automated lighting controls. This contributes to efficient energy consumption and saves costs.
• In HVAC systems, DIN rails are used to mount PLCs and other devices. This arrangement allows for better control of heating, ventilation, and air conditioning. This leads to greater comfort and lower energy consumption.
• Finally, DIN rails are crucial for electrical enclosures. They allow safe and easy access to critical electrical components. This speeds up maintenance and reduces the need for system downtime.

• When installing DIN rail systems, it is important to consider the rail's orientation, size, and mounting. Adherence to electrical safety standards is essential. Use screws or mounting brackets to securely attach the rails to panels or enclosures.
• The good condition of DIN rail systems is crucial for their longevity. Therefore, regularly check the wiring, look for damage, and ensure that the grounding systems are functioning correctly. Regular inspections help to identify and resolve problems early.
• If problems occur with DIN rail systems, first check the voltage and current of the components. A clear plan helps to identify problems and, if necessary, resolve them by reconfiguring the system. By following specific setup and maintenance steps, the systems will last longer and function better.

Q1：What is DIN rail mounting?

DIN rail mounting is a standardized method of installing industrial electrical and electronic equipment onto a metal mounting rail inside control cabinets and electrical enclosures.

Q2：What is a DIN rail mount?

A DIN rail mount is a bracket, clip, or integrated mounting mechanism that allows equipment to be securely attached to a DIN rail.

Q3：What does DIN rail mounted mean?

It describes equipment that has already been installed onto a DIN rail inside an electrical cabinet or industrial control panel.

Q4：What devices can be mounted on a DIN rail?

Common DIN rail mounted devices include PLCs, industrial computers, power supplies, relays, circuit breakers, Ethernet switches, terminal blocks, and industrial gateways.

Q5：What is the most common DIN rail size?

The 35 mm Top Hat rail (TS35) is the most widely used DIN rail standard in industrial automation.

Q6：Why are embedded industrial computers mounted on DIN rails?

DIN rail mounting saves cabinet space, simplifies wiring, improves maintenance efficiency, and allows embedded industrial computers to integrate easily with PLCs and other automation equipment.

Q7：Is DIN rail mounting suitable for harsh industrial environments?

Yes. DIN rail mounting is widely used in factories, transportation systems, energy facilities, and machine automation because it provides secure installation and supports modular industrial systems.

Q8：How do I choose a DIN rail mountable industrial computer?

Consider the processor, operating system, industrial I/O, mounting compatibility, operating temperature, power input, expansion capability, and long-term product availability before selecting a DIN rail mountable industrial computer.