Meanwell RQ50D (5V, 12V, 24V, -12V) 50W Quad Output Switching Power Supply

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RQ-50D series is a 50W quad-output enclosed type power supply with 36mm of low profile design. The AC input is 88~264VAC which could be directly supplied from the house supplied voltage. The output Voltages from SMPS will be +5V, +12V,+24V, -12V. The SMPS has high efficiency up to 77%, the design is of metallic mesh case which enhances the heat dissipation of RQ-50D that the whole series operates from -25°C through +70°C. RQ-50D has complete protection functions and 5G antivibration capability; it complies with international safety regulations such as UL62368-1, TUV BS EN/EN62368-1. RQ-50D series can be used for many purposes with the best performance from it.


Pin No. Pin name Description
1,2 AC/L&N Supplied AC Voltage (88 ~ 264VAC)
4 -V4 DC OUTPUT -12V
6 +V2 DC OUTPUT +12V
7 COM Negative for V1,V2,V3,V4
8 +5V(V1) DC OUTPUT +5V



  • Universal AC input/ Full range
  • Protections: Short circuit/ Overload / Over voltage
  • Cooling by free air convection
  • LED indicator for power on
  • 100% full load burn-in test
  • All using 105°C long life electrolytic capacitors
  • Withstand 300VAC surge input for 5-second
  • High operating temperature up to 70°C
  • Withstand 5G vibration test
  • High efficiency, long life and high reliability


  • Industrial automation machinery
  • Industrial control system
  • Mechanical and electrical equipment
  • Electronic instruments, equipment or apparatus
  • Household appliances
Model RQ-50D
Brand Meanwell
DC Voltage (through four voltage channel) +5V(V1) , +12V(V2) , +24V(V3) , -12V(V4)
Rated Current V1-3A, V2-0.9A, V3-0.9A, V4-0.5A
Rated Power 53.4W
Ripple & Noise V1-80mVp-p , V2-120mVp-p , V3-180mVp-p , V4-80mVp-p
Voltage Adj. Range CH1(V1): 4.75 ~ 5.5V
Voltage Tolerance V1- ±2.0% , V2- ±6% , V3- ±7.0% , V4- ±3.0%
Line Regulation V1- ±0.5% , V2- ±1.5% , V3- ±2.0% , V4- ±0.5%
Load Regulation V1- ±0.5% , V2- ±3.0% , V3- ±3.0% , V4- ±1.0%
Setup, Rise Time 500ms, 20ms/230VAC        1200ms, 30ms/115VAC at full load
Hold Up Time 60ms/230VAC          10ms/115VAC at full load
Input Voltage Range 88 ~ 264VAC              125 ~ 373VDC (Withstand 300VAC surge for 5sec. Without damage)
Frequency Range 47 ~ 63Hz
Efficiency 77%
AC Current 1.3A/115VAC            0.8A/230VAC
Over Load 110 ~ 150% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
    Working Temperature -25°C to 70°C
    Working Humidity 20~90% RH
    Dimensions(L*W*H) 99*97*36mm
    Country of Origin China

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