Delta DRL-48V240W1EN Power Supply for Communication & Network Equipment 240W 48V 5A

The Delta DRL-48V240W1EN is a high-performance 240W, 48V, 5A power supply engineered for demanding communication and network equipment applications. It boasts a universal AC input voltage range of 90-264VAC, ensuring compatibility worldwide. Its high power density and ultra-slim design make it ideal for space-constrained environments, while its robust construction allows operation across an impressive temperature range of -40°C to +70°C, with cold start capability at -40°C. Key advantages include a built-in constant current circuit for reactive loads, reduced no-load power consumption, and compliance with stringent energy standards like DOE VI. The DRL-48V240W1EN is also certified to major safety standards including IEC/EN/UL 62368-1, ensuring reliability and safety in critical infrastructure.

Product Specifications

| Feature                 | Specification                                  |

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

| Model Number            | DRL-48V240W1EN                                 |

| Output Voltage          | 48V DC                                         |

| Output Power            | 240W                                           |

| Output Current          | 5A                                             |

| Input Voltage Range     | 90-264 VAC                                     |

| Dimensions (H x W x D)  | 123.6 x 40 x 116.8 mm (4.87" x 1.57" x 4.60") |

| Unit Weight             | 0.62 kg (1.37 lb)                              |

| Operating Temperature   | -40°C to +70°C                                 |

| Cold Start              | -40°C                                          |

| Efficiency              | 90.5% typ. @ 230VAC                            |

| Hold-up Time            | 20ms typ. @ 115VAC (100% load)                 |

| Rise Time               | 30ms typ. @ 115VAC & 230VAC                    |

| Dynamic Response        | ±10% @ 115Vac & 230Vac input, 10-100% load    |

| Start-up with Capacitive Loads | 3,000µF Max                                    |

| Input Terminal          | 3 Pins (Rated 300V/30A)                        |

| Output Terminal         | 4 Pins (Rated 300V/20A)                        |

| Mounting                | Standard TS35 DIN Rail                         |

| Compliance Standards    | IEC/EN/UL 62368-1, EN 61000-6-4, EN 61000-6-2, DOE VI, SEMI F47 @ 200Vac |

| RoHS Compliant          | Yes                                            |

Core Features & Market Positioning

The Delta DRL-48V240W1EN distinguishes itself in the competitive power supply market through its exceptional combination of high power density, a wide operating temperature range, and robust industrial certifications. Its ultra-slim design is a significant advantage, allowing for denser system configurations in communication racks and network cabinets. The built-in constant current circuit is particularly noteworthy, offering enhanced stability and protection for inductive and capacitive loads commonly found in advanced network equipment, thereby reducing the risk of component failure and system downtime. This positions the DRL-48V240W1EN as a reliable, space-saving, and efficient power solution for system integrators and network engineers prioritizing performance and longevity. The unit's compliance with SEMI F47 at 200VAC also highlights its suitability for environments with potential voltage sags, a critical factor in semiconductor manufacturing and other industrial settings.

Key Application Scenarios

This Delta DRL-48V240W1EN power supply is predominantly utilized in critical communication and network infrastructure. Its 48V DC output is standard for powering a wide array of networking devices, including routers, switches, servers, and telecommunication equipment. It is also well-suited for industrial automation systems, providing reliable power to PLCs, sensors, and control panels. Other key application areas include security systems, digital signage, and any scenario demanding a stable, high-quality 48V DC power source with a compact footprint and a wide operating temperature range. The power supply's ability to handle reactive loads makes it an excellent choice for powering motor drives and other complex electronic systems within industrial settings.

Practical System Integration Guidance

Integrating the Delta DRL-48V240W1EN into existing systems is straightforward due to its standard TS35 DIN rail mounting, which allows for quick snap-on installation without tools. Proper wiring is crucial for optimal performance and safety. The input terminals are rated for 300V/30A, and the output terminals for 300V/20A. For reliable connections, it is recommended to use solid or stranded copper wire stripped to 7 mm, ensuring the wires are fully inserted into the terminal connectors. Adherence to torque specifications for the screw terminals is also important to ensure secure connections and prevent overheating. While specific programming examples are not typically associated with standalone power supplies, system designers must ensure that the total load current does not exceed the unit's 5A capacity. The power supply also features a green LED indicator for "DC OK" status, providing immediate visual feedback on operational health.

Operation and Risk Mitigation

Safe operation of the Delta DRL-48V240W1EN is facilitated by its robust design and adherence to international safety standards, including IEC/EN/UL 62368-1. The unit incorporates overcurrent protection and is designed to operate in constant current mode, which inherently mitigates risks associated with overloads and short circuits, especially with inductive and capacitive loads. Its wide operating temperature range, from -40°C to +70°C, reduces the risk of thermal derating issues in demanding environments, though derating may be necessary at extreme temperatures above 50°C at full load. Users should ensure proper ventilation around the unit to maintain optimal operating conditions and longevity. The "DC OK" indicator provides an immediate alert for operational anomalies, allowing for prompt troubleshooting. While specific fault codes are not typically documented for this type of power supply, deviations from the expected "DC OK" status or unusual operational noises should prompt an investigation into the load or input conditions.

Scalability & Long-Term Value

The Delta DRL-48V240W1EN offers significant long-term value through its reliability, efficiency, and compatibility with evolving industrial demands. Its universal input voltage and broad operating temperature range ensure it remains a viable power solution across diverse geographical locations and environmental conditions. While this specific model provides 240W of power, Delta's broader LYTE II series includes other models, such as the DRL-48V480W3GBA, offering higher power outputs, allowing for system scalability as power requirements increase. The unit's compliance with energy efficiency standards like DOE VI contributes to reduced operational costs and a smaller environmental footprint over its lifespan. Furthermore, its robust construction and adherence to industrial EMC standards (EN 61000-6-4 Class B and EN 61000-6-2) ensure reliable performance and minimal interference within complex industrial networks, supporting seamless integration with IIoT and digital solutions.

FAQs

What is the primary application for the Delta DRL-48V240W1EN power supply?

This power supply is primarily designed for communication and network equipment. Its 48V DC output is standard for powering routers, switches, and servers. It also suits industrial automation and control systems.

What are the key advantages of the Delta DRL-48V240W1EN over other power supplies?

It offers high power density in an ultra-slim DIN rail design. The unit features a wide -40°C to +70°C operating temperature range. It also includes a constant current mode for reactive loads.

Does the Delta DRL-48V240W1EN support universal input voltage?

Yes, the DRL-48V240W1EN supports a universal AC input voltage range of 90-264 VAC. This ensures global compatibility and flexibility for deployment.

What is the operating temperature range of the DRL-48V240W1EN?

The power supply can operate reliably in temperatures from -40°C to +70°C. It also features cold start capability down to -40°C. This wide range ensures performance in harsh environments.

Is the Delta DRL-48V240W1EN suitable for inductive and capacitive loads?

Yes, it features a built-in constant current circuit. This makes it highly suitable for inductive and capacitive loads, providing stable power delivery.

What safety and EMC standards does the DRL-48V240W1EN comply with?

It is certified to IEC/EN/UL 62368-1 safety standards. It also meets heavy industrial EMC standards EN 61000-6-4 Class B and EN 61000-6-2.

Can the Delta DRL-48V240W1EN be easily mounted in industrial cabinets?

Yes, it is designed for standard TS35 DIN rail mounting. This allows for quick and easy installation in industrial cabinets and control panels.

What is the efficiency rating of the Delta DRL-48V240W1EN?

The power supply boasts an efficiency of up to 90.5% at 230VAC and full load. This contributes to reduced energy consumption and lower operating costs.

Does the DRL-48V240W1EN have any specific features for energy saving?

Yes, it offers reduced no-load power consumption. This feature contributes to overall energy efficiency, especially in systems with intermittent operation.

What is the output power and current of the Delta DRL-48V240W1EN?

The unit provides a stable output of 48V DC with a maximum current of 5A. This results in a total output power of 240W.