DC/DC converter
48V, 10A

  • ƒ 88-360Vdc Wide-range Input
  • ƒ Width only 65mm
  • ƒ Efficiency up to 94.6%
  • ƒ ATEX and IECEx Approved
  • ƒ Excellent Partial Load Efficiency
  • ƒ 20% Output Power Reserves
  • ƒ Safe HiccupPLUS Overload Mode
  • ƒ Easy Fuse Tripping due to High Overload Current
  • ƒ Minimal Inrush Current Surge
  • ƒ Full Power Between -25°C and +60°C
  • ƒ DC-OK Relay Contact
  • ƒ Reverse Input Polarity Protected
  • ƒ Current Sharing Feature for Parallel Use
DC Output48-56Vdc
Input DC 110V-300V  (± 20%)
Size (WxHxD)65 x 124 x 127mm
Product Status Stock item 
Technical Data

Input Data
DC-Input Voltage DC 110V-300V  (± 20%)
EN61000-3-2(PFC-Norm) fulfilled
Input Inrush Current Limitationactive
Peak turn on current9A/7A (D1)

Output Data
Nominal Voltage48Vdc
Adjustment Range48-56V
Output Current Range10-8.6A
Output Current 8.6A at 56V
10A at 48V
Output Power480W
Power Reserves20% Power Boost
max. Ripple and Noise Voltage50mVpp

Size (WxHxD)65mm x 124mm x 127mm
Weight per Piece (excluding packing)940g
Operat. Temperature Range-25°C ... +70°C
Derating12W/°C at >+60°C
Mounting Method DIN-Rail
Efficiency, typ.94.6%
Power Losses, typ.27.4W
MTBF SN 29500 @ 40°C (h)537.000h
Connection methodScrew terminals
DC-OK Signalyes
D1)Peak current at 120Vac/230vac, independent of temperature
Commercial Information

Article NumberCPS20.481-D1
UPC Code875404001881
Country of originCN
Product Status Stock item 
E ClassificationeClass 5.1 27242213
eClass 6.x 27049005
eClass 7.x 27049005
eClass 8.0 27210901
eClass 9.0 27210901
ETIM 4.0 EC002542
ETIM 5.0 EC002046
HS Code HS 85043121
Warranty Period (Month)36
Packaging Unit1pc
Accessories / Complementary Units

Wall / panel mount bracketZM2.WALL
Wall / panel mount bracketZM10.WALL
Side mounting bracketZM13.SIDE
Adapter for Siemens S7-300 railSLZ12
Diode redundancy moduleYR2.DIODE