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    Status displayGreen LED (DC OK), threshold value Uout = 21.5 V
    Isolation voltages
    Input - Output4 kV AC (type test)
    2 kV AC (routine test)
    Input - PE2 kV AC (type test)
    2 kV AC (routine test)
    Output - PE500 VDC (routine test)
    Connection typeScrew clamp connection
    Connection cross section
    Wire end sleevesFlexible cables require wire end sleeves in order to fulfill EN 60950 / UL 60950
    Flexible0.2 to 2.5 mm² / 24 to 14 AWG
    Inflexible0.2 to 2.5 mm² / 24 to 14 AWG
    Wire end sleevesFlexible cables require wire end sleeves in order to fulfill EN 60950 / UL 60950
    Flexible0.5 to 4 mm² / 12 to 10 AWG
    Inflexible0.5 to 6 mm² / 12 to 10 AWG
    Wire stripping length9 mm (input)
    14 mm (output)
    ULcULus E123528
    Industrial control equipment
    Nominal input voltage2/3x 400 to 500 VAC
    Input voltage3x 320 to 575 VAC, 45 to 65 Hz
    2x 360 to 575 VAC, 45 to 65 Hz
    Input current3x 1.1 A (400 VAC)
    3x 0.8 A (480 VAC)
    Inrush current limitation<15 A
    I2t0.5 A2s
    Power failure bypass>17 ms (400 VAC)
    >20 ms (480 VAC)
    Switch-on time<1 s (typical)
    Power factor (cos φ)0.67
    Discharge current to PE<3.5 mA
    Protective circuitTransient surge protection (varistor)
    Required line fuse for device and line protection2/3x 6 A (characteristic B)
    2/3x 10 A (characteristic B)
    2/3x 16 A (characteristic B)
    Nominal voltage24 VDC ±1%
    Output power480 W
    Setting range for output voltage22.5 to 29.5 VDC
    Output current
    -25 to 55°C20.0 A
    >55°CDerating: 2.5% per °C
    Current limitationApprox. 25 A
    Control deviation<1% (static load change 10 to 90%)
    <2% (dynamic load change 10 to 90%)
    <0.1% (input voltage change ±10%)
    Rise time<2 ms (UOUT (10 to 90%))
    Residual ripple<10 mVSS
    Switching peaks<50 mVSS
    Can be connected in parallelYes, to establish redundancy and increase capacity
    Can be connected in seriesNo
    Max. capacitive loadUnlimited
    Protection against internal overvoltagesYes, limited to <35 VDC
    Protection functionsOutput protected against continuous short circuit, open circuit and overload
    Power back immunityMax. 35 VDC
    Output noise suppressionUnit complies with EN 55011 (Class B)
    MTBF>500,000 h, in accordance with IEC 61709 (SN 29500)
    Power dissipation
    Rated loadMax. 48 W
    No-load operationMax. 6 W
    Mounting orientation
    Ventilation/CoolingNormal convection, no fan required
    Degree of protection per EN 60529IP20
    Rated protectionI, with PE connection
    Operation-25 to 70°C (>55°C derating)
    Storage-40 to 85°C
    Transport-40 to 85°C
    Relative humidity
    OperationMax. 95%, non-condensing
    Operation<15 Hz, amplitude ±2.5 mm, in accordance with IEC 60068-2-6
    15 to 150 Hz, 2.3 g, 90 min
    Operation30 g in each direction, in accordance with IEC 60068-2-27
    Pollution degree2, in accordance with EN 50178
    Climate category3K3, in accordance with EN 60721
    MaterialSheet metal, galvanized
    Side panels: Aluminum
    InstallationEasy rail mounting (DIN rail NS 35, EN 60715)
    Width115 mm
    Height130 mm
    Depth152.5 mm
    Weight2000 g


  • 400 to 500 VAC wide-range input
  • Reliable supply even if one phase briefly fails in 3-phase operation
  • High dielectric strength
  • Can be connected in parallel for increased capacity and redundancy
  • Reliable operation due to long power failure bypass function under full load and high MTBF (>500,000 h)
  • International certification package
  • Wide temperature range from -25 to 70°C
  • Closed metal housing
Product description:
Material number:
24 VDC power supply, 3 phase, 20 A, input 400 to 500 VAC, wide range, top-hat rail installation
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