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320W MeanWell SP-320-48 Single Output Switching Power Supply: 48 VDC Output

320W MeanWell SP-320-48 Single Output Switching Power Supply: 48 VDC Output

This switchmode power supply from Mean Well has a full range / universal AC input with power factor correction and features temperature controller fan for forced cooling.


  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.95
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC Fan
  • Built-in fan speed control
  • Fixed switching frequency at 100 kHz
  • 3 years warranty


Output Voltage:48 VDC
Rated Current:6.7 A
Current Range:0 to 6.7 A
Rated Power:321.6 W
Ripple & Noise:240 mV P-P
Voltage Adj. Range::41 to 56 VDC
Voltage Tolerance::±1.0%
Line Regulation::±0.2%
Load Regulation::±0.5%
Setup Time (Full Load, 230 VAC):800 ms
Rise Time (Full Load, 230 VAC):50 ms
Holdup Time (Typ., 230 VAC):16 ms
Voltage Range:88 to 264 VAC, 124 to 370 VDC
Frequency Range:47 to 63 Hz
Power Factor (Typ., Full Load, 230 VAC):>0.95
Efficiency (Typ.):89%
AC Current (Typ., 230 VAC):2.5 A
Inrush Current (Typ.):40 A
Leakage Current:<1 mA at 240 VAC
Overload:105% to 135% rated output power
Overload Protection:Hiccup type, auto recovery
Over Voltage:57.6 to 67.2 VDC
Over Voltage Protection:Shutdown, re-power to recover
Over Temperature:80 ±5 °C
Over Temperature Protection:Shutdown, auto recovery
Working Temperature:-20 to 65 °C (derated)
Working Humidity:20% to 90% RH Non-condensing
Storage Temperature:-40 to 85 °C
Temp. Coefficient:±0.03% per °C
Vibration:10 to 500 Hz, 2 g 10 minutes/1 cycle,
60 minutes each along X, Y, Z axes
Safety and EMC:
Safety Standards:UL60950-1, TUV EN60950-1, CCC GB4943
Isolation Voltage (input to output):3 kVAC
Isolation Voltage (input to ground):2 kVAC
Isolation Voltage (output to ground):500 VAC
Isolation Resistance (in-out-ground):100 MΩ (500 VDC, 25 °C, 70% RH)
EMC Emission Compliance:EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC Immunity Compliance:EN61000-4-2,3,4,5,6,8,11, EN55024, light industry level, criteria A
MTBF:≥207 kHrs MIL-HDBK-217F (25 °C)
Dimensions:215 × 115 × 50 mm
Weight:1.1 kg



SKU:  PSM-025

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