MEAN WELL NDR-240-24 High Performance Fanless Industrial Power Supply 240W 24V 10A

The MEAN WELL NDR-240-24 stands as a formidable solution in the realm of industrial power supplies, delivering a robust 240W of power with a stable 24V output and a 10A current rating. Its high-performance, fanless design ensures exceptional reliability and longevity in demanding environments. Key advantages include its wide operating temperature range of -20°C to +70°C, overload protection, and short-circuit protection, all housed within a slim, DIN-rail mountable profile for efficient space utilization. This unit is engineered for seamless integration into automation systems, industrial control, and machinery applications where consistent power delivery is paramount.

Product Specifications

| Feature               | Specification                |

| :-------------------- | :--------------------------- |

| Output Voltage        | 24V DC                       |

| Rated Current         | 10A                          |

| Rated Power           | 240W                         |

| Input Voltage Range   | 90-264V AC (47-63Hz), 127-370V DC |

| Efficiency            | 91.5%                        |

| Operating Temperature | -20°C to +70°C               |

| Dimensions (WxHxD)    | 52.5 x 125.2 x 30 mm         |

| Mounting              | DIN-rail TS-35/7.5 or 15     |

| Protections           | Short Circuit, Overload, Over Voltage, Over Temperature |

| Certifications        | UL, CUL, TUV, CB, CE         |

Core Features & Market Positioning

The MEAN WELL NDR-240-24 differentiates itself through its advanced convection cooling, eliminating the need for noisy and failure-prone fans. This fanless architecture is critical for applications demanding silent operation or where dust and debris could compromise a fan-based system. Its high efficiency rating of 91.5% minimizes heat generation, further enhancing reliability and reducing energy costs. The compact, 30mm-wide enclosure is a significant design advantage, allowing for dense panel building and maximizing space in tight control cabinets. This power supply is positioned as a premium, long-term investment for industrial automation, process control, and machine vision systems that cannot afford downtime.

Key Application Scenarios

Engineers commonly specify the NDR-240-24 for powering a wide array of industrial equipment. Its suitability for harsh environments makes it ideal for factory automation, including the operation of robotic arms, conveyor systems, and programmable logic controllers (PLCs). It is also a strong choice for industrial LED lighting, surveillance systems, and critical communication infrastructure where uninterrupted power is essential. The 24V output is a standard in many DC-powered industrial devices, making this unit a versatile solution for diverse machinery and control panels.

Practical System Integration Guidance

Integrating the NDR-240-24 is straightforward due to its standard DIN-rail mounting capability. Securely attach the unit to a TS-35/7.5 or TS-35/15 DIN rail. Connect the AC input terminals (L and N) to the mains supply, ensuring proper grounding via the ground terminal for safety. The DC output terminals (+V and -V) connect directly to the load. It is crucial to ensure the total current draw of connected devices does not exceed the 10A rating to prevent overload conditions. For optimal thermal performance, maintain adequate clearance around the unit, allowing for natural convection.

Operation and Risk Mitigation

Operating the NDR-240-24 within its specified input voltage and temperature ranges is vital for longevity. The built-in protections safeguard against common electrical faults. In case of an overload or short circuit, the power supply will shut down. Once the fault condition is removed, the unit will typically auto-recover after a brief reset period. Over-voltage protection prevents damage to connected equipment if the output voltage should deviate significantly from the nominal 24V. Always ensure proper ventilation to prevent over-temperature shutdowns, especially in high-ambient temperature environments.

Scalability & Long-Term Value

The MEAN WELL NDR-240-24 offers excellent long-term value through its robust construction and Mean Well's reputation for product reliability. While this specific model provides a substantial 240W, scalability can be achieved by deploying multiple units in parallel or series configurations, depending on the required voltage or current demands of a larger system. Its broad input range also allows for global deployment without extensive re-engineering. As industries move towards IIoT integration, the stable and reliable power provided by units like the NDR-240-24 forms the bedrock for connected smart manufacturing systems.

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Frequently Asked Questions

What is the warranty period for the MEAN WELL NDR-240-24?

MEAN WELL typically offers a substantial warranty for its industrial power supplies, often ranging from three to five years. This extended warranty underscores the product's high reliability and long operational life. Always check the specific product documentation or sales channel for the exact warranty terms applicable to your purchase.

This extended coverage provides peace of mind for critical industrial applications where system uptime is paramount. It reflects the manufacturer's confidence in the durability and performance of the NDR-240-24 under demanding conditions.

The warranty usually covers manufacturing defects and component failures under normal operating conditions. It's important to follow installation and operation guidelines to ensure the warranty remains valid.

How does the fanless design benefit industrial automation?

A fanless design ensures silent operation, crucial for environments where noise pollution is a concern. It significantly reduces the risk of failure caused by dust, dirt, or corrosive elements commonly found in industrial settings, eliminating a common point of failure.

This inherent reliability translates to increased system uptime and reduced maintenance costs, as there are no moving parts to wear out or require replacement. This is particularly advantageous for continuous operation machinery and automated processes.

Fanless power supplies also offer a cleaner aesthetic and can be installed in more confined spaces without the need for airflow management typically required for fan-cooled units. This contributes to more compact and efficient control panel designs.

Can the NDR-240-24 be used in extremely cold environments?

Yes, the NDR-240-24 boasts an impressive operating temperature range, extending down to -20°C. This capability makes it suitable for deployment in many colder climates or refrigerated industrial spaces.

Its robust design ensures stable power output even at these low temperatures, crucial for consistent performance in harsh operational settings. Proper installation and acclimatization procedures should still be followed.

The unit's internal components are specifically chosen for their resilience to temperature fluctuations, minimizing the risk of performance degradation or failure in sub-zero conditions.