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  • Siemens C98043-A7105-L4-9 Power Interface Board (4Q)
    Siemens C98043-A7105-L4-9 Power Interface Board (4Q)
    The Siemens C98043-A7105-L4-9 is a four-quadrant (4Q) power interface board used in Siemens DC drive systems, including SINAMICS DCM and SIMOREG platforms. It serves as the critical interface between the drive‘s control electronics and its thyristor power section. This board is commonly associated with the spare part number 6RY1803-0DA02.
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