DIN-rail power supplies for 3-phase systems
24V, 40A

  • 3AC 380-480V Wide-range input
  • Three input fuses included
  • Width only 110mm, Weight only 1.5kg
  • 95.3% Full load and excellent partial load efficiencies
  • 50% BonusPower®, 1440W for up to 4s
  • 110A Peak current for 25ms for easy fuse trippin
  • Active power factor correction (PFC)
  • Active filtering of input transients
  • Negligibly low input inrush current
  • Full power between -25°C and +60°C
  • Current sharing feature for parallel use
  • Remote control of output voltage
  • DC-OK relay contact
  • Shut-down input
DC Output24-28Vdc
Input AC 380-480V  (-15%/+20%)
Size (WxHxD)110 x 124 x 127mm
Product Status Stock item 
Technical Data

Input Data
AC-Input Voltage AC 380-480V  (-15%/+20%)
DC-Input Voltage
EN61000-3-2(PFC-Norm) fulfilled
Harmonic Correctionactive
Power Factor0.88
Input Inrush Current Limitationactive
Peak turn on current4.5A/4.5A (J1)
External Input Fuse Recommendationmin. B-6A / C-6A

Output Data
Nominal Voltage24Vdc
Adjustment Range24-28V
Output Current Range40-34.3A
Output Current 34.3A at 28V
40A at 24V
Output Power960W
Power Reserves50% BonusPower®
max. Ripple and Noise Voltage100mVpp

Size (WxHxD)110mm x 124mm x 127mm
Weight per Piece (excluding packing)1500g
Operat. Temperature Range-25°C ... +70°C
Derating24W/°C at >+60°C
Mounting Method DIN-Rail
Efficiency, typ.95.3%
Power Losses, typ.47.3W
MTBF SN 29500 @ 40°C (h)685.000h
Connection methodScrew terminals
DC-OK Signalyes
J1)3x400V, 50Hz/ 3x480Vac, 60Hz, independent of temperature
Commercial Information

Article NumberQT40.241
UPC Code875404001461
Country of originCZ/CN
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

Buffer moduleUF20.241
MOSFET redundancy moduleYR80.241
Wall / panel mount bracketZM2.WALL