Delta DRL-48V120W1EN Power Supply for Communication Equipment 120W 48V 2.5A

The Delta DRL-48V120W1EN power supply stands as a robust and reliable solution for powering demanding communication equipment. This 120W unit delivers a stable 48V DC output at 2.5A, engineered for high performance and efficiency in critical infrastructure. Its compact design and advanced thermal management ensure seamless operation even under continuous load, making it an ideal choice for network closets, telecommunication base stations, and data centers requiring uninterrupted power.

Product Specifications

| Parameter             | Value                    |

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

| Manufacturer          | Delta                    |

| Model Number          | DRL-48V120W1EN           |

| Output Voltage        | 48V DC                   |

| Output Current        | 2.5A                     |

| Output Power          | 120W                     |

| Input Voltage Range   | 100-240 VAC              |

| Frequency             | 50/60 Hz                 |

| Efficiency            | Typically >90%           |

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

| Dimensions (H x W x D) | Varies by specific sub-model, often compact |

| Protection Features   | Overload, Overvoltage, Short Circuit |

| Certifications        | UL, CE, RoHS             |

Core Features & Market Positioning

Engineered with Delta's renowned power conversion expertise, the DRL-48V120W1EN distinguishes itself through exceptional reliability and operational efficiency. Its high power density allows for significant power output within a remarkably small footprint, a critical advantage in space-constrained communication environments. The unit's advanced thermal design ensures stable performance across a wide ambient temperature range, minimizing the risk of shutdowns during peak operational demands. This dedication to robust engineering positions the Delta DRL-48V120W1EN as a premium, long-term investment for applications where power continuity and system integrity are paramount.

Key Application Scenarios

The versatility of the Delta DRL-48V120W1EN makes it indispensable across various communication sectors. It is frequently deployed to power active network equipment such as routers, switches, and cellular base station components, ensuring consistent data flow and minimal downtime. In the realm of industrial automation, it serves critical control systems and data acquisition devices. Furthermore, its robust design makes it suitable for powering VoIP gateways, wireless access points, and surveillance systems in enterprise and public safety networks.

Practical System Integration Guidance

Integrating the Delta DRL-48V120W1EN into existing communication systems is straightforward, thanks to its universal AC input and clearly marked DC output terminals. Ensure a secure connection of the AC power cord to a grounded outlet. For the DC output, polarity is crucial: connect the positive (+) terminal to the positive input of the communication device and the negative (-) terminal to its negative input. Adhering to the specified 2.5A current limit per output is vital to prevent overload conditions. Proper ventilation should be maintained, ensuring at least a few centimeters of clearance around the unit to facilitate airflow and heat dissipation.

Operation and Risk Mitigation

Operating the Delta DRL-48V120W1EN demands adherence to safety protocols. Always disconnect AC power before making any wiring changes. The unit incorporates overvoltage, overload, and short-circuit protection to safeguard both the power supply and connected equipment. In the event of a fault, typically indicated by an LED status light (refer to specific model documentation), first disconnect the AC power. Then, verify that the total load does not exceed the 120W or 2.5A rating and check for any short circuits in the connected devices. Reapplying power after resolving the fault condition should restore normal operation.

Scalability & Long-Term Value

The Delta DRL-48V120W1EN offers significant long-term value for evolving communication infrastructures. Its robust construction and efficient design contribute to a long operational lifespan, reducing the total cost of ownership. While this specific model is a single-unit solution, Delta's broader product portfolio often allows for system expansion by paralleling compatible power supplies or selecting higher-wattage units as network demands grow. This forward-thinking design approach ensures that the DRL-48V120W1EN can be a foundational element in scalable, future-proof communication networks, supporting integration with emerging IIoT and cloud-based management platforms.

Frequently Asked Questions (FAQs)

What is the typical efficiency rating for the Delta DRL-48V120W1EN power supply?

The Delta DRL-48V120W1EN generally boasts high efficiency, often exceeding 90%. This is crucial for reducing energy consumption and heat generation.

This high efficiency contributes to lower operating costs and a smaller environmental footprint. Efficient power supplies also tend to run cooler, enhancing their lifespan and reliability.

Users benefit from reduced electricity bills and less strain on cooling systems within equipment racks or enclosures.

Can the Delta DRL-48V120W1EN power supply be used in environments with fluctuating temperatures?

Yes, this power supply is designed for a wide operating temperature range, typically from -20°C to +70°C. This robustness allows for reliable operation in challenging industrial or outdoor communication sites.

Its thermal management system is engineered to dissipate heat effectively, ensuring stable voltage and current output even under significant ambient temperature variations.

This wide temperature tolerance makes it a versatile choice for deployments in locations not subject to strict climate control.

What safety certifications does the Delta DRL-48V120W1EN hold?

The Delta DRL-48V120W1EN power supply typically complies with major international safety and environmental standards. Common certifications include UL for North America, CE for Europe, and RoHS for material compliance.

These certifications indicate that the product has undergone rigorous testing to meet safety, electromagnetic compatibility (EMC), and hazardous substance restrictions.

Having these certifications assures users of the product's quality, safety, and suitability for global deployment in regulated industries.

How do I connect the Delta DRL-48V120W1EN power supply to my communication equipment?

Connect the AC input to a grounded mains power outlet using the provided cord. For the DC output, carefully identify the positive (+) and negative (-) terminals on both the power supply and your communication device.

Ensure correct polarity by matching the positive terminal of the power supply to the positive input of the equipment, and the negative to the negative. Incorrect polarity can damage sensitive electronics.

After wiring, double-check all connections for security and proper insulation before applying AC power.

What is the maximum current draw supported by the Delta DRL-48V120W1EN?

The Delta DRL-48V120W1EN is rated for a maximum output current of 2.5 Amperes (A). It's essential to ensure your connected communication equipment does not exceed this limit.

Exceeding the 2.5A current rating can trigger the unit's overload protection, causing it to shut down or operate inefficiently, potentially leading to equipment malfunction.

Always calculate the total current requirements of your devices and compare it against the power supply's specifications to maintain stable and safe operation.

Does the Delta DRL-48V120W1EN have short-circuit protection?

Yes, the Delta DRL-48V120W1EN is equipped with built-in short-circuit protection. This feature safeguards the power supply and the connected load from damage caused by accidental short circuits.

If a short circuit occurs, the power supply will typically shut down to prevent damage. Once the short is resolved and AC power is cycled, the unit should resume normal operation.

This integrated protection mechanism is vital for maintaining system reliability and preventing costly repairs in communication networks.

What is the output voltage of the Delta DRL-48V120W1EN?

The Delta DRL-48V120W1EN provides a stable DC output voltage of 48 Volts. This is a standard voltage used in many telecommunication and networking applications.

This 48V DC output is suitable for powering a wide range of communication devices designed to operate within this specific voltage range.

Ensuring your equipment is compatible with a 48V DC input is paramount before connecting this power supply to avoid damage.

Can I parallel multiple Delta DRL-48V120W1EN units for increased current capacity?

While Delta offers solutions for system expansion, directly paralleling DRL-48V120W1EN units without specific design considerations or accessory modules is generally not recommended. Consult Delta's technical documentation or support for guidance on power system expansion.

Paralleling power supplies requires careful matching of output characteristics and often involves specialized circuitry to ensure load sharing and prevent issues like current hogging.

For increased capacity, explore Delta's modular power systems or higher-wattage single-output units designed for such configurations.

What does the "1EN" designation signify in the Delta DRL-48V120W1EN model number?

The "1EN" in the model number typically denotes specific product revisions, certifications, or regional variations. It helps in identifying the exact specifications and compliance standards for that particular unit.

These suffixes are important for ensuring you procure the correct version for your intended application and regulatory environment. Always refer to the official datasheet for precise meaning.

Understanding these identifiers is crucial for accurate product selection and to confirm compatibility with your existing infrastructure and requirements.

What kind of communication equipment is typically powered by the Delta DRL-48V120W1EN?

This power supply is ideal for a broad spectrum of communication hardware, including routers, switches, VoIP gateways, wireless access points, and cellular base station components. Its 48V output and 120W capacity suit many active network elements.

It is also well-suited for powering security and surveillance systems, data acquisition modules, and industrial control interfaces that rely on a stable 48V DC power source.

The reliability and efficiency of the DRL-48V120W1EN make it a preferred choice for mission-critical applications where consistent power delivery is essential.