Technical Information & Details for the MEAN WELL NPP-450-48 Power Supply
- Output Power: 457 W
- Output Voltage: 42 – 80 V DC (Adjustable; Nominal 48 V / 57.6 V Boost)
- Output Current: 3.4 – 6.8 A (Adjustable; Max 6.8 A)
- Input Voltage Range: 90 – 264 V AC / 127 – 370 V DC, 47 – 63 Hz
- Efficiency: 93%
- Ripple & Noise: ≤ 480 mVp-p (Power Supply Mode)
- Inrush Current: 50 A @ 230 VAC (Cold Start)
- No-Load Power Consumption: Not specified (Remote Off / Standby)
- Operating Temperature: −30 °C to +70 °C
- Cooling: Thermostatically controlled DC fan
- Protections: Short Circuit, Overload, Over Voltage, Over Temperature
- Overvoltage Category: OVC II
- Isolation Voltage: 3000 V AC (I/P-O/P), 2000 V AC (I/P-FG), 500 V AC (O/P-FG)
- Dimensions (L x W x H): 205 mm x 135 mm x 55 mm
- Weight: 1.38 kg
- Safety & EMC Standards: CB, DEKRA, UL62368-1, EN62368-1, EN60335-1/-2-29, EAC TP TC 004, CE, UKCA
- LED Indicator: Multifunction LED Status Indicator (Red / Green)
- Warranty: 3 Years
Information About the MEAN WELL NPP-450-48
Providing exceptional power density for 48 V industrial hardware, the MEAN WELL NPP-450-48 easily transitions between a continuous power source and a smart lead-acid battery charger using an intuitive jumper interface. Engineers targeting high-voltage installations rely on its remarkably wide voltage adjustable range from 42 to 80 V DC, which can be fine-tuned via panel potentiometers to accommodate distinct charging profiles or load requirements up to 6.8 A. Built to maintain continuous output in harsh thermal settings, the unit relies on an extended working temperature range of −30 °C to +70 °C alongside smart fan regulation that scales cooling effort to internal temperatures. Holding rigorous dual safety certifications (IEC/EN/UL62368-1 and EN60335-1/-2-29), it offers a robust, multi-purpose foundation for battery backup networks, telecom infrastructure, and industrial automation control racks.
