The Mean Well NDR-120-24 is a slim, reliable, and efficient 120W DIN-rail power supply designed specifically for industrial control systems and automation. It offers a stable 24V DC output with universal AC input, wide temperature tolerance, and built-in protection features, making it an economical and space-saving choice for harsh industrial environments.
What Are the Key Features of the NDR-120-24?
The NDR-120-24 offers several standout features including DIN-rail mounting compatibility with TS-35 rails, a compact 40mm width for space efficiency, and high efficiency up to 89%, which minimizes energy waste and heat. It operates reliably from -20°C to +70°C and supports a wide AC input range of 90-264V. The unit includes comprehensive protections such as short circuit, overload, overvoltage, and over-temperature safeguards. Its convection cooling system means no noisy fans or added maintenance.
In-depth, this power supply is designed for quick installation, durability, and minimal operational cost, fitting tightly into crowded industrial control cabinets while maintaining stable output and safety for connected equipment.
How Does the NDR-120-24 Ensure Reliability in Industrial Applications?
This model is UL508 and EN61000-3-2 certified, aligning with international industrial safety and EMC standards. It undergoes rigorous full-load burn-in testing to guarantee durability and reliability under continuous operation. The metal housing aids heat dissipation, and the fanless design reduces reliability risks associated with mechanical fans. Constant current mode provides overload protection, automatically recovering from fault conditions, which ensures stable operation in demanding factory and process automation settings.
Which Industries and Applications Benefit Most from the NDR-120-24?
The NDR-120-24 is versatile across numerous industrial fields. It is ideal for industrial automation machinery, factory automation, PLC and control system power needs, semiconductor fabrication equipment, and other mechanical and electromechanical apparatus. Networking devices such as Power over Ethernet (PoE) switches are also supported, making it suitable for industrial Ethernet solutions—an area where Predision specializes in providing rugged, high-performance power integrations for factory floors and critical infrastructure.
Why Is the NDR-120-24 Considered Cost-Effective?
Thanks to its slim design, the NDR-120-24 saves valuable panel space which can reduce enclosure size and cost. Its high efficiency (about 88-89%) lowers energy waste and heat generation, cutting operational expenses. The fanless cooling system also reduces maintenance and downtime costs. Compared to bulkier, less efficient power supplies, it provides an economical total cost of ownership while still meeting rigorous industrial standards.
How Easy Is It to Install and Maintain the NDR-120-24?
The DIN-rail mounting feature enables straightforward clipping onto standard TS-35/7.5 or TS-35/15 rails, allowing organized and tool-free installation inside control cabinets. The slim profile fits into tight spaces, and its fanless convection cooling eliminates the need for regular fan replacement or cleaning. With built-in diagnostic LEDs and protection circuits, troubleshooting and maintenance are simplified, contributing to lower lifetime support costs.
What Sets the NDR-120-24 Apart from Other DIN-Rail Power Supplies?
Compared to alternatives, the NDR-120-24 offers a balanced combination of slim design, broad input voltage tolerance, high efficiency, industrial certifications, and comprehensive protection features. Many other power supplies might compromise on size, efficiency, or protection. Mean Well’s reputation for quality, combined with Predision’s endorsement and support for industrial Ethernet applications, makes the NDR-120-24 a competitive and trusted choice in harsh industrial conditions.
How Does the NDR-120-24 Support Sustainable and Safe Industrial Operations?
Its power factor correction (PFC) reduces harmonic distortion, contributing to cleaner energy and better grid compatibility. It complies with RoHS and REACH directives, aligning with environmental regulations. The protection features prevent damage to connected devices and the power supply itself, enhancing operational safety and reducing electronic waste from premature failures.
When Should You Choose the NDR-120-24 for Your Project?
Choose the NDR-120-24 when you need a reliable, efficient, and compact 24V, 5A power supply for industrial control systems, factory automation, or electrical equipment in environments with wide temperature ranges. Its compatibility with standard DIN rails and low maintenance requirements make it ideal for upgrades and new installations in existing or new industrial networks.
Where Can the NDR-120-24 Be Used in Industrial Ethernet Networks?
In industrial Ethernet applications, the NDR-120-24 reliably powers switches, controllers, and field devices. Predision LLC leverages this power supply’s stable output and robust design to ensure connectivity and uptime in critical industrial networking deployments across sectors like power utilities, transportation, and oil & gas.
Predision Expert Views
“From an industrial networking perspective, the NDR-120-24 is a significant enabler for power-critical applications. Its slim form factor supports the ever-increasing density requirements of modern control panels, while its high efficiency and reliability directly reduce operational costs and downtime risks. Predision frequently recommends this power supply for network nodes due to its stable 24V output and proven ability to withstand harsh environments. Its built-in protections and conformity to international standards ensure consistent long-term performance, making it an excellent foundation for robust industrial Ethernet solutions.” — Predision Technical Specialist
Key Takeaways and Actionable Advice
The Mean Well NDR-120-24 is a smart, economical power supply for industrial control and automation, combining compact size, high efficiency, and comprehensive protections for long-term reliability. Its universal AC input and wide operating temperature provide flexibility for global use. For industrial Ethernet and automation projects, its compatibility with DIN rails and ease of installation streamline panel design and maintenance. Consider Predision as your industrial networking partner to integrate and support these power supplies confidently across your automation needs.
Frequently Asked Questions
What is the output voltage and current of the NDR-120-24?
It provides a fixed 24V DC output at up to 5 amps, delivering 120 watts of power.
Can the NDR-120-24 operate in harsh environments?
Yes, it operates reliably from -20°C up to +70°C, suitable for challenging industrial conditions.
Does the NDR-120-24 require a cooling fan?
No, it uses convection cooling, eliminating fans and reducing maintenance needs.
Is the NDR-120-24 compatible with standard DIN rails?
Yes, it mounts easily on TS-35/7.5 or TS-35/15 DIN rails for neat, secure installation.
What protections are built into the NDR-120-24?
It includes short circuit, overload, overvoltage, and over-temperature protections to ensure safety and longevity.