Meanwell RQ125B SMPS (5V, 12V,-5V,-12V) 125W Quad Output Switching Power Supply

Save 19%
Sold By: HatchnHackSKU: 9N03

Sale price₹ 2,740.00 Regular price₹ 3,397.00

Tax included Shipping calculated at checkout

Out of stock


RQ-125B series is a 125W quad-output enclosed type power supply with 38mm of low profile design. The AC input is 88 ~ 132VAC / 176 ~ 264VAC (selected by switch) which could be directly supplied from the house supplied voltage. The output Voltages from SMPS will be +5V, +12V,-5V, -12V. The SMPS has high efficiency up to 77%, the design is of metallic mesh case which enhances the heat dissipation of RQ-125B that the whole series operates from -25°C through +70°C. RQ-125B has complete protection functions and 5G antivibration capability; it complies with international safety regulations such as UL62368-1, TUV BS EN/EN62368-1. RQ-125B 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-125B
Brand Meanwell
DC Voltage (through four voltage channel) +5V(V1) , +12V(V2) , -5V(V3) , -12V(V4)
Rated Current V1-11A, V2-4.5A, V3-1A, V4-0.5A
Rated Power 120W
Ripple & Noise V1-80mVp-p , V2-120mVp-p , V3-80mVp-p , V4-80mVp-p
Voltage Adj. Range CH1(V1): 4.75 ~ 5.5V
Voltage Tolerance V1- ±2.0% , V2- +10,-1% , V3- +6,-10% , V4- ±5.0%
Line Regulation V1- ±0.5% , V2- ±1.0% , V3- ±1.0% , V4- ±1.0%
Load Regulation V1- ±1.0% , V2- ±3.0% , V3- ±6.0% , V4- ±2.0%
Setup, Rise Time 500ms, 20ms/230VAC        1200ms, 30ms/115VAC at full load
Hold Up Time 25ms/230VAC          30ms/115VAC at full load
Input Voltage Range

88 ~ 132VAC / 176 ~ 264VAC selected by switch

248 ~ 373VDC(Withstand 300VAC surge for 5sec. Without damage)

Frequency Range 47 ~ 63Hz
Efficiency 77%
AC Current 3A/115VAC            2A/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) 199*98*38mm
    Country of Origin China

    You may also like

    Recently viewed