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Mean Well UHP-350 Series – 350W Slim Type Switching Power Supply
Brand: MEAN WELL
Warranty: 3 Years
The Mean Well UHP-350 Series is a compact 350W single-output power supply featuring a 31mm low-profile, fanless design with high efficiency up to 94%. Built with active PFC, it provides stable power for industrial automation, LED displays, and electronic control systems. It supports full-range 90–264V AC input and includes comprehensive protection and optional DC OK and redundant functions.
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Specifications:
- Power Rating: 350W
- Output Voltage Options: 3.3V, 4.2V, 5V, 12V, 15V, 24V, 36V, 48V, 55V DC
- Efficiency: Up to 94% (model-dependent)
- Input Voltage Range: 90–264V AC / 127–370V DC
- Frequency Range: 47–63Hz
- Power Factor: 0.98 (115V AC) / 0.94 (230V AC)
- AC Current: 4A (115V AC) / 2A (230V AC)
- Inrush Current: 30A (115V AC) / 60A (230V AC)
- Hold-up Time: 10ms (115V/230V AC)
- Voltage Regulation: ±0.5% line, ±2.0% load
- Ripple & Noise: 150–300mVp-p depending on model
- Operating Temperature: –30°C to +70°C (derating applies)
- Operating Humidity: 20–95% RH (non-condensing)
- Storage Temperature: –40°C to +85°C
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Protection Functions:
- Short circuit
- Overload (110–140%)
- Overvoltage
- Overtemperature
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Safety Standards:
- UL62368-1, TUV BS EN/EN62368-1
- BS EN/EN60335-1, BS EN/EN61558-1/-2-16
- GB 4943.1, BIS IS13252 (Part1)
- EMC Compliance: EN55032 Class B, EN61000-3-2/-3, EN61000-4-2~11
- Mechanical Dimensions: 220 × 62 × 31 mm
- Weight: 0.68 kg
- Cooling: Natural convection (fanless)
- Mounting: Aluminum plate required for thermal management
- Optional Functions: DC OK signal and redundant parallel operation
- Warranty: 3 years
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