QS20.481

DIN-rail power supplies for 1-phase systems
48V, 10A

  • AC 100-240V Wide-range input
  • Width only 82mm
  • Efficiency up to 94.3%
  • 150% (720W) Peak load capability
  • Safe HiccupPLUS overload mode
  • Easy fuse breaking due to high overload peak current
  • Active power factor correction (PFC)
  • Negligibly low input inrush current
  • Short-term operation down to 60Vac and up to 300Vac
  • Full power between -25°C and +60°C
  • DC-OK relay contact
  • Quick-connect spring-clamp terminals
DC Output48-55Vdc
10-8.7A
480W
Input AC 100-240V  (± 15%)
DC 110V-150V  (-20%/+25%)
Size (WxHxD)82 x 124 x 127mm
Weight1200g
Product Status Stock item 
Technical Data

Input Data
AC-Input Voltage AC 100-240V  (± 15%)
DC-Input Voltage DC 110V-150V  (-20%/+25%)
EN61000-3-2(PFC-Norm) fulfilled
Harmonic Correctionactive
Power Factor0.9
Input Inrush Current Limitationactive
Peak turn on current9A/7A (D1)
External Input Fuse Recommendationmin. B-10A / C-10A

Output Data
Nominal Voltage48Vdc
Adjustment Range48-55V
Output Current Range10-8.7A
Output Current 8.7A at 55V
10A at 48V
Output Power480W
Power Reserves50% BonusPower®
max. Ripple and Noise Voltage100mVpp

Overview
Size (WxHxD)82mm x 124mm x 127mm
Weight per Piece (excluding packing)1200g
Operat. Temperature Range-25°C ... +70°C
Derating12W/°C at >+60°C
Mounting Method DIN-Rail
Efficiency, typ.94.3%
Power Losses, typ.29W
MTBF SN 29500 @ 40°C (h)469.000h
Connection methodSpring-clamp terminals
DC-OK Signalyes
Footnotes
D1)Peak current at 120Vac/230vac, independent of temperature
Commercial Information

Overview
Article NumberQS20.481
UPC Code875404001225
Country of originCN
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
Side mounting bracketZM15.SIDE
Adapter for Siemens S7-300 railSLZ13
MOSFET redundancy moduleYR40.482