Mean Well RSP-3000-48 48V 62.5A 3kW Switching Power Supply

Key technical specifications

• Brand: Mean Well · Model: RSP-3000-48
• Output voltage: 48V dc · Output current: 62.5 A · Power rating: 3000 W (3 kW)
• Input AC range: 180‑264 Vac · Input DC range: 180‑370 Vdc · Efficiency: 90.5%
• Operating temperature: -20°C to +70°C (derating above +50°C)
• Dimensions (L×W×H): 278 x 63.5 x 63.5 mm · Weight: 4 kg
• Protections: short circuit, overload, over‑voltage, over‑temperature
• Safety approvals: UL 62368-1, TUV EN 62368-1, CSA C22.2, CCC GB4943.1, AS/NZS 62368.1, BSMI, EAC, IS 13252
• Mounting: chassis mount · Series: RSP-3000 series

Mechanical & environmental resilience

• Built-in variable-speed fan provides reliable cooling even at full 3kW load.
• Operates flawlessly from -20°C to +70°C, ideal for factory floors and outdoor cabinets.
• High immunity to electrical noise and transients meets EN 61000-4 standards.
• Compact 1U-friendly case (278×63.5×63.5 mm) saves valuable panel space.

Frequently asked questions

• Q: Can I adjust the output voltage? Yes, the RSP-3000-48 offers a ±10% adjustment range (43.2‑52.8V) via the built‑in potentiometer.
• Q: What is the maximum case temperature? At full load and 50°C ambient, the case stays below 85°C thanks to the intelligent fan.
• Q: Does this supply support parallel operation? Absolutely, the RSP-3000 series includes active current sharing for up to 3 units (9kW total).
• Q: What input voltage range works globally? It accepts 180‑264Vac (47‑63Hz) and 180‑370Vdc, covering most industrial grids.
• Q: Is the fan speed controllable? The fan automatically adjusts speed based on internal temperature and load.

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