DC/DC converter
24V, 4.2A

  • EN 50155 Railway Compliant
  • Conformal coated PC-boards
  • Quick-connect spring-clamp terminals
  • 77-154Vdc Wide-range Input
  • Width only 40mm
  • Efficiency up to 91.1%
  • Excellent partial load efficiency
  • Minimal inrush current surge
  • Full power between -25°C and +70°C
  • DC-OK relay contact
  • Reverse input polarity protection
DC Output24-28Vdc
Input DC 110V  (-30%/+40%)
Size (WxHxD)40 x 124 x 117mm
Product Status Stock item 
Technical Data

Input Data
DC-Input Voltage DC 110V  (-30%/+40%)
Peak turn on currenttyp. 10A

Output Data
Nominal Voltage24Vdc
Adjustment Range24-28V
Output Current Range4.2-3.6A
Output Current 3.6A at 28V
4.2A at 24V
Output Power100W
Power Reserves50% Bonus Power
max. Ripple and Noise Voltage50mVpp

Size (WxHxD)40mm x 124mm x 117mm
Weight per Piece (excluding packing)640g
Operat. Temperature Range-25°C ... +70°C
Mounting Method DIN-Rail
Efficiency, typ.91.1%
Power Losses, typ.9.8W
MTBF SN 29500 @ 40°C (h)956 000h
Connection methodSpring-clamp terminals
Commercial Information

Article NumberQS5.241-60
UPC Code875404002499
Country of originCZ
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 bracketZM10.WALL
Side mounting bracketZM12.SIDE