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HomeMEAN WELL ProductsDin Rail Power Supplies120W Single Output DIN RAIL Power Supply

DR-120 Series - 120W Single Output DIN RAIL Power Supply



The DR-120 series is an industrial din rail power supply with a selectable AC range. Other standard features include short circuit, overload, over voltage and over temperature protections.

Additional information







  • AC input range selectable by switch
  • Installed on DIN rail TS35/7.5 or 15
  • Soft start circuit
  • Limiting AC surge current
  • Short circuit, over voltage, over load, over temperature protections
  • 100% full load burn in
  • LED indication for power on
  • UL508(industrial control equipment) approved
  • Fixed switching frequency at 55KHz
  • Building automation
  • Security
  • Data communications
  • IT
  • Control Panels
Input Voltage 88V to 132Vac/176V to 264Vac selected by switch 248V to 370Vdc
Input Frequency 47 to 63Hz
Input Current 2.6A/115Vac 1.6A/230Vac
Inrush Current 20A/115Vac 40A/230Vac, cold start
Leakage Current <3.5mA at 240Vac
Set Up, Rise Time 500ms, 70ms/230Vac 500ms, 70ms/115Vac at full load
Hold Time 36ms/230Vac 32ms/115Vac at full load
Over Load Protection 105% to 150% rated output power
Constant current limiting, recovers automatically after fault condition is removed
Over Voltage Protection Shut down o/p voltage, re-power on to recover
Over Temperature Protection Shut down o/p voltage, recovers automatically after temperature goes down
Working Temperature -10°C to +60°C (Refer to output load derating curve)
Working Humidity 20 ~ 90% RH non-condensing
Storage Tepmerature, Humidity -20°C ti +85°C, 10~95% RH
Temperature Coefficient ±0.03%/°C (0~50°C)
Vibration 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
Withstand Voltage I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
Isolation Resistance I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC
Safety Approvals UL508, UL60950-1, TUV EN60950-1 Approved
EMC Compliance to EN55011,EN55022 (CISPR22) Class B, EN61000-3-2,-3; ENV50204;
EN61000-4-2,3,4,5,6,8,11, EN55024, EN61000-6-2 (EN50082-2) Heavy industry level, criteria A
MTBF 136.8Khrs min. MIL-HDBK-217F (25°C)
  • CB
  • CE
  • CUL
  • TUV