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Is It Mandatory to Separate 230V AC and 24V DC Control Wiring in a VFD Panel According to IEC Standards?

d0789201

Electrical
Feb 6, 2025
1
Because my English proficiency is not very good, the following description was translated using GPT.

In this post, I would like to ask: Does the IEC standard strictly require 230V AC and 24V DC control wiring to be physically separated in a VFD control panel? The main MCCB is rated at 600A, and the VFD is 300HP. The main voltage is 400VAC, and the VFD will also be connected to a DC power source (DC bank) at approximately 570VDC.

Thank you all!
 

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