DIN-rail power supplies for 1-phase systems
12V, 30A

  • AC 100-240V Wide-range input
  • Width only 65mm
  • Efficiency up to 92.6%
  • ATEX and IECEx approved
  • Excellent partial load efficiency
  • Safe HiccupPLUS overload mode
  • Easy fuse breaking due to high overload peak current
  • Active power factor correction (PFC)
  • Minimal inrush current surge
  • Full power between -25°C and +60°C
  • DC-OK relay contact
  • Current sharing feature for parallel use
DC Output12-15Vdc
Input AC 100-240V  (-15%/+10%)
Size (WxHxD)65 x 124 x 127mm
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 Factor0.95
Input Inrush Current Limitationactive
Peak turn on current9A/7A (D1)
External Input Fuse RecommendationB - 10A / C - 10A

Output Data
Nominal Voltage12Vdc
Adjustment Range12-15V
Output Current Range30-27A
Output Current 27A at 15V
30A at 12V
Output Power405W
Power Reserves20% Power Boost
max. Ripple and Noise Voltage100mVpp

Size (WxHxD)65mm x 124mm x 127mm
Weight per Piece (excluding packing)1000g
Operat. Temperature Range-25°C ... +70°C
Derating0,75W/°C at >+60°C
Mounting Method DIN-Rail
Efficiency, typ.92.6%
Power Losses, typ.28,8W
MTBF SN 29500 @ 40°C (h)554.000h
Connection methodScrew terminals
DC-OK Signalyes
D1)Peak current at 120Vac/230vac, independent of temperature
Commercial Information

Article NumberCPS20.121
UPC Code875404002154
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
Wall / panel mount bracketZM10.WALL
Side mounting bracketZM13.SIDE
MOSFET redundancy moduleYR80.242
MOSFET redundancy moduleYR40.245