Delta DRL-12V120W1EN High-Efficiency Compact Switching Power Supply 120W 12V 10A

The Delta DRL-12V120W1EN is a high-efficiency, compact switching power supply engineered for demanding industrial applications, delivering a robust 120W of power at 12V with a continuous output current of 10A. This power supply distinguishes itself through its superior energy efficiency, compact footprint, and reliable performance, making it an ideal choice for integration into space-constrained systems and high-density control cabinets. Its advanced switching technology ensures minimal heat generation and reduced operational costs, while its robust design guarantees stability and longevity in challenging environments. The DRL-12V120W1EN is specifically designed to meet the rigorous demands of automation, machinery control, and industrial networking, offering a dependable power solution that enhances system performance and efficiency.

Product Specifications

| Specification           | Value                 |

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

| Model                   | DRL-12V120W1EN        |

| Output Voltage          | 12V DC                |

| Output Current          | 10A                   |

| Output Power            | 120W                  |

| Input Voltage Range     | 100-240V AC           |

| Efficiency              | >89%                  |

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

| Dimensions (L x W x D)  | 120mm x 40mm x 120mm  |

| Protection Features     | OVP, OLP, OCP, SCP    |

| Approvals               | UL, CE, TUV, CCC      |

Core Features & Market Positioning

The Delta DRL-12V120W1EN positions itself as a premium, high-efficiency power solution within the industrial automation market. Its standout feature is its exceptional energy efficiency, often exceeding 89%, which translates directly into lower energy consumption and reduced heat dissipation. This high efficiency minimizes the need for extensive cooling, allowing for its compact design and integration into tighter spaces. The power supply's robust construction and adherence to multiple international safety and performance standards, including UL, CE, TUV, and CCC, underscore its reliability and suitability for global deployments. Delta's reputation for quality manufacturing further solidifies its market standing, offering peace of mind to system integrators and end-users seeking a dependable, long-lasting power source for critical equipment.

Key Application Scenarios

The versatility and robust design of the Delta DRL-12V120W1EN make it exceptionally well-suited for a wide array of industrial applications. It is a prime candidate for powering Programmable Logic Controllers (PLCs) and other control systems in manufacturing facilities, ensuring uninterrupted operation of critical automation processes. Its high current output and stable voltage are also ideal for driving industrial motors, solenoids, and sensor arrays, common in robotic systems and assembly lines. Furthermore, the compact form factor and efficiency make it an excellent choice for compact HMI (Human-Machine Interface) panels and distributed control units where space is at a premium. The DRL-12V120W1EN also finds application in industrial networking equipment, such as switches and routers, and in specialized machinery requiring a reliable 12V DC power source.

Practical System Integration Guidance

Integrating the Delta DRL-12V120W1EN into an industrial system is a straightforward process, designed for ease of installation by qualified technicians. The unit accepts a wide input voltage range (100-240V AC), simplifying global deployment and reducing the need for complex voltage converters. Wiring connections are clearly marked: AC input terminals (L, N, G) and DC output terminals (+V, -V). It is crucial to ensure that the mains input is properly grounded for safety and to prevent electrical noise interference. For optimal thermal management, even with its high efficiency, ensure adequate airflow around the unit; mounting it with at least 20mm clearance on all sides is recommended, especially when operating at maximum load or in ambient temperatures near the upper limit of its operating range. Secure the power supply to a stable mounting surface using the provided screw holes, ensuring it is protected from excessive vibration or mechanical shock.

Operation and Risk Mitigation

The Delta DRL-12V120W1EN incorporates comprehensive protection features to safeguard both the power supply and connected equipment against operational hazards. Over-Voltage Protection (OVP), Over-Load Protection (OLP), Over-Current Protection (OCP), and Short-Circuit Protection (SCP) are built-in to prevent damage during fault conditions. It is essential for operators to ensure the total load does not exceed the 120W or 10A rating to avoid triggering these protective mechanisms unnecessarily. In the event of a shutdown due to overload or short circuit, allow the unit to cool down before attempting to reset. Avoid operating the power supply in environments with excessive dust, moisture, or corrosive fumes, as these can degrade performance and compromise safety. Regular visual inspection of wiring and connections can help identify potential issues before they lead to system failures.

Scalability & Long-Term Value

The Delta DRL-12V120W1EN offers excellent long-term value through its robust design and compatibility with evolving industrial standards. While this specific model is a single-unit solution, its reliable performance ensures a stable foundation for current operations. For applications requiring higher power, Delta offers a range of industrial power supplies with scalable output capacities and voltage options, facilitating seamless upgrades without significant system redesign. The inherent efficiency of the DRL-12V120W1EN also contributes to its long-term economic viability by reducing energy costs over the product's lifespan. Its adherence to broad safety and EMC standards ensures compatibility with various industrial control systems and networking infrastructure, minimizing integration challenges when expanding or modernizing facilities.

Frequently Asked Questions

What is the maximum ambient temperature for the Delta DRL-12V120W1EN?

The Delta DRL-12V120W1EN is rated for operation in ambient temperatures ranging from -20°C to +70°C. This wide operating range makes it suitable for diverse industrial environments, including those with significant temperature fluctuations.

Ensure adequate ventilation around the power supply, especially when operating at higher ambient temperatures or near its maximum load capacity. Reduced airflow can lead to overheating and reduced lifespan.

When operating at the upper end of the temperature range, it's advisable to de-rate the output current slightly to maintain optimal performance and longevity.

How do I wire the Delta DRL-12V120W1EN for an industrial application?

Connect the AC input to the L (Line), N (Neutral), and G (Ground) terminals, ensuring proper grounding for safety. Use appropriate gauge wiring rated for the input current.

Connect your DC loads to the +V and -V output terminals. Polarity is critical; ensure correct connections to prevent damage to connected devices.

Verify all connections are secure and insulated before applying AC power. Consult the product manual for specific terminal block specifications.

What protection features are included in the Delta DRL-12V120W1EN?

The power supply includes Over-Voltage Protection (OVP) to safeguard against excessive output voltage. This prevents damage to sensitive connected equipment.

It also features Over-Load Protection (OLP) and Over-Current Protection (OCP), which shut down the output if the load exceeds the rated limits. This protects both the power supply and the system.

Short-Circuit Protection (SCP) is also integrated, ensuring the unit remains safe even if a short circuit occurs on the output. The unit typically auto-recovers after the fault is cleared.