QS20.244

DIN-rail power supplies for 1-phase systems
24V, 20A

  • 200-240V Input
  • Efficiency up to 94,5%
  • Negligibly low input inrush current
  • 50% Power reserves available up to 4s
  • Full output power between -25 and +60°C
  • Quick-connect spring-clamp terminals
DC Output24-28Vdc
20-17A
480W
Input AC 200-240V  (± 15%)
Size (WxHxD)70 x 124 x 127mm
Weight880g
Product Status Stock item 
Technical Data

Input Data
AC-Input Voltage AC 200-240V  (± 15%)
DC-Input Voltage
EN61000-3-2(PFC-Norm) not fulfilled
Power Factor0.5
Input Inrush Current Limitationactive
Peak turn on current40A
External Input Fuse Recommendationmin. B-10A / C-6A

Output Data
nominal Voltage24Vdc
Adjustment Range24-28V
Output Current Range20-17A
Output Current 17A at 28V
20A at 24V
Output Power480W
Power Reserves50% BonusPower®
max. Ripple and Noise Voltage100mVpp

Overview
Size (WxHxD)70mm x 124mm x 127mm
Weight per Piece (excluding packing)880g
Operat. Temperature Range-25°C ... +70°C
Derating12W/°C at >+60°C
Mounting Method DIN-Rail
Efficiency, typ.94.5%
Power Losses, typ.28.3W
MTBF SN 29500 @ 40°C (h)577.000h
Connection methodSpring-clamp terminals
DC-OK Signalyes
Footnotes
V1)Peak current at 230Vac, independent of temperature
Commercial Information

Overview
Article NumberQS20.244
UPC Code875404001317
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 bracketZM1.WALL
Adapter for Siemens S7-300 railSLZ13
MOSFET redundancy moduleYR40.242
DC-UPS control unitUB20.241