DIN rail power supplies for 3-phase : QT20.241-C1

DIN rail power supplies for 3-phase system
24V, 20A

conformal coating

DC output 24 – 28Vdc
20 – 17.5A
Input AC 380 – 480V (± 15%)
Dimensions (WxHxD) 65 x 124 x 127mm
Weight 870g

Technical data

Input data

AC Input voltage AC 380 - 480V (± 15%)
Harmonic correction active
Power factor 0.94
Input inrush current limitation active
Input inrush current 3A
External input fuse recommendation B-6A / C-3A

Output data

Nominal voltage 24Vdc
Adjustment range 24 - 28V
Output current range 20 - 17.5A
Output current 17.5A at 28V
20A at 24V
Output power 480W
Power reserves 50% BonusPower
Derating 12W/°C for >+60°C
Ripple and noise voltage max. 100mVpp


Dimensions (WxHxD) 65mm x 124mm x 127mm
Weight per unit (excl. packaging) 870g
Mounting method DIN rail
Operating temp. range -25°C to 70°C
Connection method Spring clamps
Efficiency, typ. 95%
Power losses, typ. 25.3W
MTBF SN 29500 @ 40°C (h) 690000h
DC-OK signal yes


Techn. documentation

  • 3AC 380-480V wide-range input
  • Also specified for 2-phase operation
  • Extra long lifetime
  • 95% full load and excellent partial load efficiencies
  • Width only 65mm, weight only 870g
  • 50% BonusPower, 720W for up to 4s
  • Active Power Factor Correction PFC
  • Active filtering of input transients
  • Full power between -25°C and +60°C
  • Extremely low input inrush current surge
  • DC-OK relay contact
  • Quick-connect spring-clamp terminals
  • Conformal coating

Commercial info

Article number QT20.241-C1
Product status Lead time on request
UPC code 875404001034
Warranty period (months) 36
Country of origin Czech Republic
Packaging unit 1 pc
Weight per piece (excl. packaging) 870g
E classification eClass 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
Customs tariff number 85044083

Additional information



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