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The ABB TU831 Power Supply Module is a reliable, high-performance 24V DC power supply designed to support a wide range of industrial automation applications. With its 31A output capacity, the TU831 delivers stable and continuous power for large-scale systems, including PLCs, sensors, actuators, and various other industrial control equipment. This power supply module is built for durability and efficiency, ensuring that industrial systems operate smoothly and reliably under demanding conditions.

With a high efficiency of up to 96%, the ABB TU831 minimizes energy consumption, reduces heat production, and helps lower overall operational costs. Whether used in material handling, manufacturing, HVAC, or energy management systems, the TU831 offers excellent performance and protection features to ensure safe and long-term system operation.

Technical Specifications

Specification	Details
Model	TU831 Power Supply Module
Input Voltage	85-265 VAC, 47-63 Hz
Output Voltage	24V DC ±1%
Nominal Output Current	31A
Efficiency	96% (at full load)
Operating Temperature	-10°C to 70°C (14°F to 158°F)
Weight	6.5 kg (14.33 lbs)
Dimensions (W x H x D)	300 x 200 x 150 mm (11.81 x 7.87 x 5.91 inches)
Cooling Type	Forced Air Cooling
Protection Features	Overvoltage, Overcurrent, Overtemperature, Short Circuit, Surge Protection
Mounting Type	DIN Rail Mounting
Certifications	CE, UL, RoHS

Recommended Related Models

For systems with different power requirements, ABB offers a variety of complementary power supply modules that offer flexibility in output capacity and features:

ABB TU532: A 32A power supply module for medium to large systems, offering high reliability and efficiency.
ABB TU850: A 100A power supply for systems that require higher output and continuous power delivery for large industrial applications.
ABB TU530: A 25A power supply designed for medium-sized automation systems requiring robust performance and reliability.
ABB TP820: A 100A power supply module suitable for large-scale industrial systems with high-current requirements.
ABB TU515: A 15A power supply ideal for smaller systems where efficiency and stability are important.

Popular ABB Models

ABB’s automation products integrate seamlessly with the TU831, and several ABB models are widely used alongside the TU831 for various industrial applications:

ABB ACS580: A variable frequency drive (VFD) designed to optimize motor control and increase energy efficiency in industrial processes.
ABB IRB 6700: A versatile industrial robot designed for applications like assembly, packaging, and material handling with precision and flexibility.
ABB SD880: A 24V DC power supply module with high efficiency, perfect for systems requiring continuous, reliable power.
ABB PPM500: A power protection module designed to prevent damage from electrical surges and faults, ensuring the safety of critical equipment.
ABB MNS 3.0: A modular power distribution system providing reliable power management and flexibility for industrial plants and large facilities.

Applications

The ABB TU831 Power Supply Module is ideal for industrial applications that demand continuous and reliable 24V DC power. Some of the key applications include:

Industrial Automation: Provides stable and reliable power to PLCs, sensors, actuators, and controllers in complex automation systems, ensuring efficient operations.
Manufacturing: Supplies power to CNC machines, robotic arms, automated assembly lines, and other production equipment, enhancing productivity and system uptime.
Material Handling: Powers material handling systems, including conveyors, sorters, and automated storage systems (ASRS) in warehouses and logistics centers.
HVAC Systems: Powers HVAC systems in large buildings and industrial facilities, maintaining optimal temperature control and reducing energy consumption.
Energy Management: Suitable for renewable energy systems, smart grids, and other power distribution networks, ensuring reliable energy management and system stability.

Advantages

High Output Capacity: The 31A output of the TU831 ensures stable power for large-scale industrial systems requiring significant 24V DC power.
Energy Efficiency: The TU831 offers 96% efficiency, reducing energy consumption and minimizing heat production, which lowers overall operational costs.
Comprehensive Protection: Equipped with overvoltage, overcurrent, short-circuit, thermal overload, and surge protection, the TU831 ensures the safety of the power supply and connected equipment.
Long-Term Reliability: Designed to withstand harsh industrial environments, the TU831 delivers long-lasting performance with minimal maintenance requirements, reducing downtime.
Wide Temperature Range: The TU831 operates effectively within a temperature range of -10°C to 70°C (14°F to 158°F), ensuring reliable power in diverse industrial settings.
Global Compatibility: The 85-265 VAC input voltage range ensures the TU831 is compatible with a variety of international electrical systems, making it suitable for global deployments.
Easy Installation: The DIN rail mounting design simplifies the installation process, enabling easy integration into industrial control panels and enclosures.

Technical FAQs

What input voltage range does the ABB TU831 support?
- The TU831 supports an input voltage range of 85-265 VAC, making it suitable for use in various international electrical systems.
What is the efficiency of the ABB TU831?
- The TU831 operates with 96% efficiency, ensuring minimal energy loss and helping reduce operational costs.
What protection features are included in the TU831?
- The TU831 includes overvoltage, overcurrent, thermal overload, short-circuit, and surge protection, safeguarding the power supply and connected devices from electrical faults.
How much current can the TU831 supply?
- The TU831 provides 31A of continuous 24V DC power, ideal for large systems requiring a reliable and stable power source.
Can the TU831 be used outdoors?
- The TU831 is designed for indoor use but can be used outdoors if housed in a suitable protective enclosure.
What is the operating temperature range for the TU831?
- The TU831 operates in a temperature range of -10°C to 70°C (14°F to 158°F), making it suitable for use in various industrial environments.
How is the ABB TU831 mounted?
- The TU831 is designed for DIN rail mounting, which provides a simple and secure installation in control panels and electrical enclosures.
What are the dimensions and weight of the ABB TU831?
- The TU831 has dimensions of 300 x 200 x 150 mm (11.81 x 7.87 x 5.91 inches) and weighs 6.5 kg (14.33 lbs).
Is the TU831 suitable for larger systems?
- The TU831 is designed for medium to large systems. For systems requiring higher current, ABB offers models like the TP820 (100A) and TP850 (120A).
Can the TU831 be integrated with other ABB products?
- Yes, the TU831 integrates seamlessly with other ABB automation and control products, making it easy to incorporate into new or existing industrial systems.