Description
The Ruijie RG-NIS-PA120-54 is a high-reliability industrial-grade 54V DC power supply module designed for Ruijie industrial switches, PoE systems, outdoor networking devices, and mission-critical industrial network infrastructures. It provides stable and efficient power conversion from AC to DC, ensuring uninterrupted operation for network equipment in harsh environments such as factories, transportation systems, smart city deployments, ISP outdoor cabinets, and surveillance systems.
This power module delivers a maximum output power of 120W with 54V DC output, making it suitable for powering industrial switches and PoE-enabled networking devices that require stable high-voltage DC supply. It is engineered to support continuous 24/7 operation, ensuring reliable performance in demanding enterprise and industrial environments.
The RG-NIS-PA120-54 supports a wide AC input voltage range (100–240V AC), allowing it to operate reliably in different electrical conditions worldwide. Its industrial design ensures compatibility with unstable power grids, making it ideal for outdoor or remote installations.
It includes multiple protection mechanisms such as over-voltage protection, over-current protection, short-circuit protection, and over-temperature protection, ensuring safe and stable operation even under heavy load conditions. These protections help prevent damage to connected devices and increase overall system reliability.
Designed for harsh environments, the module supports an extreme operating temperature range from -40°C to +70°C, making it suitable for outdoor industrial deployments where temperature fluctuations are common. It also features DIN-rail mounting support, enabling easy installation inside industrial network cabinets.
Built with industrial-grade components and high-efficiency power conversion design, the RG-NIS-PA120-54 ensures long-term durability, energy efficiency, and stable performance for critical networking systems.
| Specification | Details |
|---|---|
| Product Model | RG-NIS-PA120-54 |
| Product Type | Industrial AC/DC Power Supply Module |
| Output Power | 120W Max |
| Output Voltage | 54V DC (52.38 – 55.62V range) |
| Output Current | 2.2A |
| Input Voltage | 100–240V AC |
| Input Frequency | 50/60 Hz |
| Efficiency | High Efficiency Conversion (~90%) |
| Mounting Type | DIN-Rail Mount |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Operating Humidity | 5% – 95% RH (non-condensing) |
| Protection Features | Over-voltage / Over-current / Short-circuit / Over-temperature |
| Surge Protection | Industrial-grade protection support |
| Cooling System | Fanless natural cooling |
| Material | Industrial-grade metal housing |
| Dimensions | 125 × 35 × 110 mm |
| Weight | ~0.48 – 0.57 kg |
| Installation | Plug-in / Modular system integration |
| Warranty | 3–5 Years (region dependent) |





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