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Switched-mode power supply
Natural convection cooling when horizontally mounted
Stepped profile, ideal for distribution boards/boxes
Suitable for both parallel and series operation
Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1
Control deviation: ±1 % (±10 % within the application range of EN 50121-3-2)
Suitable for railway applications
Input
Nominal input voltage Ui nom DC 110 V
Input voltage range DC 77 … 140 V
Nominal mains frequency range 0 Hz
Input current I
i ≤ 0.77 A (77 VDC); ≤ 0.42 A (140 VDC)
Discharge current ≤ 1 mA
Inrush current ≤ 30 A (NTC)
Mains failure hold-up time ≥ 8 ms (77 VDC); ≥ 25 ms (140 VDC)
Output
Nominal output voltage Uo nom DC 24 V (SELV)
Default setting DC 24 V
Nominal output current I
o nom 2 A (24 VDC); 1.6 A (in any mounting position)
Nominal output power 48 W
Deviation ≤ 1 %
Residual ripple ≤ 100 mV (peak-to-peak)
Current limitation 1.1 x I
o nom (typ.)
Overload behavior Constant current
