Installation
5.1 Input connections
SITOP expansion modules
Equipment Manual, 09.2022, A5E36605235-2-76
77
5.1.3 Inrush current limiter
5.1.3.1 Logo! ICL230
The inrush current limiter is connected between the line supply and the power supply to be
supplied. It is suitable for connection to 1-phase AC line supplies with 100 V, 120 V or 230 V
50-60 Hz or to 2-phase line supplies with 208 V line voltage on the line side, upstream of
transformers, power supplies or LEDs, and using the integrated fixed resistor, it limits the
inrush current to approx. 10 A at 230 V. In steady-state operation, the limiting resistor is
bypassed after approx. 60 ms, therefore minimizing the associated power loss.
Figure 5-6 Input
5.1.3.2 SITOP inrush current limiter
The inrush current limiter is connected between the line supply and the power supply to be
supplied. It is suitable for connection to 1-phase AC line supplies with 100 V, 120 V or 230 V
50-60 Hz or to 2-phase or 3-phase 208 - 480 V AC line supplies. The switch-on current pulse
at 230 V is limited to approximately 8 A. In steady-state operation, the limiting element is
bypassed.
Figure 5-7 Input
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