Description, device design, dimension drawing
2.1 Device description
SITOP expansion modules
Equipment Manual, 09.2022, A5E36605235-2-76
23
2.1.3 Inrush current limiter
2.1.3.1 Logo! ICL230
The Logo! ICL230 inrush current limiter is used to reliably reduce inrush currents, e.g. caused
by LEDs, transformers or switched-mode power supplies as a result of the rectifier circuit at
the input with capacitor charging.
It is used for 1-phase AC line supplies with 100 V, 120 V or 230 V or for 2-phase line supplies
with 208 V rated voltage on the line side, upstream of transformers, power supplies or LEDs.
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 2-7 Design
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