New Sealed Siemens C98043-A7002-L1 Power Supply Module in Stock

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FAQs

Q1: What is the primary function of the C98043-A7002-L1?
It is the Power Interface Board (PIB) for the SIMOREG DC-MASTER 6RA70 drive. It generates firing pulses for the thyristors, monitors the power section for faults like overcurrent/overvoltage, and acquires analog feedback signals (armature current, supply voltage) for the control unit .

Q2: What is the market order number for this board?
The official Siemens spare parts order number is 6RY1703-0DA01. The internal part number C98043-A7002-L1 appears on the board's label .

Q3: What is the difference between the L1 and L4 variants?
The L1 and L4 are different design generations of the same board function. They are not directly interchangeable—their sub-circuits, component layouts, and connector configurations differ. The -L4 variant is specifically used for low-voltage applications (15-85 VAC) .

Q4: What is the difference between this board and the C98043-A7003-L1?
The C98043-A7002-L1 is a 1-quadrant (single-direction) power interface, while the C98043-A7003-L1 is a 4-quadrant version used for regenerative (energy feedback) applications in the 6RA70 system .

Q5: Is the C98043-A7002-L1 interchangeable with the C98043-A7042?
No. The C98043-A7042 is a different power interface designed for using a SIMOREG drive as a pure control module (without its own power section). The hardware interfaces are different, and using the wrong board is not supported.