QS40.481

DIN-rail power supplies for 1-phase systems
48V, 20A

  • 100-240V Wide-range input, active PFC
  • Efficiency up to 95,0%, parallel mode for load sharing
  • Negligibly low input inrush current
  • 50% Power reserves available up to 4s
  • Full output power between -25 and +60°C
  • DC-OK Contact; Shut-down Input
DC Output48-54Vdc
20-17.8A
960W
Input AC 100-240V  (-15%/+10%)
Size (WxHxD)125 x 124 x 127mm
Weight1900g
Product Status Stock item 
Technical Data

Input Data
AC-Input Voltage AC 100-240V  (-15%/+10%)
DC-Input Voltage
EN61000-3-2(PFC-Norm) fulfilled
Harmonic Correctionactive
Power Factor0.99
Input Inrush Current Limitationactive
Peak turn on current17A/11A (D1)
External Input Fuse Recommendationmin. B-16A / C-16A

Output Data
nominal Voltage48Vdc
Adjustment Range48-54V
Output Current Range20-17.8A
Output Current 17.8A at 54V
20A at 48V
Output Power960W
Power Reserves50% BonusPower®
max. Ripple and Noise Voltage150mVpp

Overview
Size (WxHxD)125mm x 124mm x 127mm
Weight per Piece (excluding packing)1900g
Operat. Temperature Range-25°C ... +70°C
Derating24W/°C at >+60°C
Mounting Method DIN-Rail
Efficiency, typ.95.0%
Power Losses, typ.50.5W
MTBF SN 29500 @ 40°C (h)300.000h
Connection methodScrew terminals
DC-OK Signalyes
Footnotes
D1)Peak current at 120Vac/230vac, independent of temperature
Commercial Information

Overview
Article NumberQS40.481
UPC Code875404001973
Country of originCZ
Product Status Stock item 
E ClassificationeClass 5.1 27049002
eClass 6.x 27049002
eClass 7.x 27049002
eClass 8.0 27049002
eClass 9.0 27040701
ETIM 4.0 EC000599
ETIM 5.0 EC002540
HS Code HS 85044082
Warranty Period (Month)36
Packaging Unit1pc
Accessories / Complementary Units

Wall / panel mount bracketZM2.WALL
MOSFET redundancy moduleYR40.482
Buffer moduleUF20.481