Mean Well DRH-120-48 Power Supply - 340~550VAC in - 120W 48V 2.5A out Meanwell

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Key Specifications

Output Voltage  48V 
Type  DIN Rail Type 
Approx. Wattage  120W 
Features  Standard 
Series  DRT/WDR/TDR (380V) 
Mechanical Form  Enclosed 
Warranty  3 Years Warranty 
IP Level  Non-Waterproof 
Input Voltage  180~550V auto-select 
Download Datasheet

SKU: DRH-120-48


  • Features

    Input 340~550VAC, 2-phase
    Protections: Short circuit / Overload / Over voltage / Over temperature
    Cooling by free air convection
    Can be installed on DIN rail TS35 / 7.5 or 15
    Built-in constant current limiting circuit
    100% full load burn-in test
    LED indicator for power on
    EN61000-6-2 industrial immunity level
    3 years warranty


    General Specification 

    AC input voltage range 340~550VAC, two phase
    AC inrush current (max.) Cold start, 50A at 400VAC
    DC adjustment range 24V: 24~28V, 48V: 48~55V
    Overload protection Range 105%~160%
    Overload protection Type Constant current limiting, auto-recovery
    Over voltage protection Range 24V: 30~36V, 48V: 59~66V
    Over voltage protection Type Shut off, AC recycle to re-start
    Over temp. protection Shut down output voltage, recovers automatically after temperature goes down
    Withstand voltage I/P - O/P: 3kVAC, I/P - FG: 1.5kVAC, O/P - FG: 0.5kVAC, 1 minute
    Working temperature -20~+60°C
    Safety standards UL60950-1 approved
    EMC standards EN55022 class B, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11, EN61204-3, EN61000-6-2 heavy industry level
    Connection (screw DIN terminal) I/P: 3 poles, O/P: 4 poles
    Dimension (WxHxD)(mm) 65.5x125.2x100
    Case No. 921A
    Packing 20pcs / 16.0kg
    1. Spec sheet (DRH-120)(EN)
    2. CB Certificate (DRH-120)(EN)
    3. UL Certificate (DRH-120)(EN)
    4. EMC Certificate (DRH-120)(EN)
    5. CE Declaration (DRH-120)(EN)
    6. Test Report (DRH-120-48)(EN)
    1. Meanwell DRH-120-48 Power Supply - 340~550VAC in - 120W 48V 2.5A out
    2. Industrial package